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Physician Assistant
Black physician assistant in blue scrubs, holding a clipboard.

Physician Assistant

Physician Assistants (PAs) are licensed healthcare professionals who provide diagnostic, therapeutic, and preventive care under the supervision of physicians. At BASS Medical Group, our PAs work in both primary care and specialty departments, helping patients receive efficient, coordinated, and compassionate care. From managing chronic illness to assisting in surgery, PAs play a vital role in your care team.

Our Providers

Professional headshot of Brooke Aber, a Physician Assistant specializing in Pain Medicine in Pain Medicine, California.
Brooke Aber
PA
Pleasant Hill
Professional headshot of Mahima Jain, a Physician Assistant specializing in Pain Medicine in Pleasanton, California.
Mahima Jain
PA
Pleasanton
Professional headshot of Susanne Goeb, a Physician Assistant specializing in Family Medicine in Danville, California.
Susanne Goeb
PA-C
Danville
Professional headshot of Dan Heaney, a Physician Assistant specializing in Family Medicine in Danville, California.
Dan Heaney
PA-C
Danville
Professional headshot of Marcie Ryan, a Physician Assistant specializing in Family Medicine in Danville, California.
Marcie Ryan
PA-C
Danville
Professional headshot of Julia DeRenzi, a Physician Assistant specializing in Gastroenterology in San Ramon, California.
Julia DeRenzi
PA-C
San Ramon
Professional headshot of Timothy Sayles, a Physician Assistant specializing in Family Medicine in San Ramon, California.
Timothy Sayles
PA-C
San Ramon
Professional headshot of Sarah Eapen, a Physician Assistant specializing in Pain Medicine in Corte Madera, California.
Sarah Eapen
PA-C
Corte Madera
Professional headshot of Elizabeth Redick, a Physician Assistant specializing in Pain Medicine in Corte Madera, California.
Elizabeth Redick
PA
Corte Madera
Professional headshot of Behrouz Farsi, a Physician Assistant specializing in Otolaryngology (ENT) in San Jose, California.
Behrouz Farsi
PA-C
San Jose
Professional headshot of Shaun A. Frost, a Physician Assistant specializing in Otolaryngology (ENT) in San Jose, California.
Shaun A. Frost
PA-C
San Jose
Professional headshot of Suzanne Yahiro Leibowitz, a Physician Assistant specializing in Obstetrics and Gynecology in Walnut Creek, California.
Suzanne Yahiro Leibowitz
PA-C
Walnut Creek
Professional headshot of Johanna Ho, a Physician Assistant specializing in general surgery in Oakland, California.
Johanna Ho
PA-C
Oakland
Lacy Nasseh
FNP-C
Walnut Creek
Professional headshot of Taylor Cuenin, a Physician Assistant specializing in primary care in Walnut Creek, California.
Taylor Cuenin
PA-C
Walnut Creek
Professional headshot of Ali Mithani, a Physician Assistant specializing in neurosurgical care in Walnut Creek, California.
Ali Mithani
PA-C
Walnut Creek
Professional headshot of Aurora Lee, a Physician Assistant specializing in Neurology in Walnut Creek, California.
Aurora Lee
PA-C
Walnut Creek
Professional headshot of Charmaine Santos, a Physician Assistant specializing in primary care in Antioch, California.
Charmaine Santos
PA
Antioch
Professional headshot of Christine Lim, a Physician Assistant specializing in Family Medicine in Campbell, California.
Christine Lim
PA-C
Campbell
Professional headshot of Alice Nelly Bolick, a Physician Assistant specializing in Pain Medicine in Pleasanton, California.
Alice Nelly Bolick
PA-C
Pleasanton
Professional headshot of Crystal Alpert, a Physician Assistant specializing in gynecologic care in Walnut Creek, California.
Crystal Alpert
PA
Walnut Creek
Professional headshot of Helen Newen, a Physician Assistant in Campbell, California.
Helen Newen
PA-C
Campbell
Professional headshot of Tara Iqbal, a Physician Assistant specialized in Gastroenterology in Walnut Creek, California.
Tara Iqbal
PA-C
Walnut Creek
Professional headshot of Lauren Montgomery, PA-C, orthopedic physician assistant at Tri-Valley Orthopedic Specialties in Pleasanton, CA.
Lauren Montgomery
MPAS, PA-C
Pleasanton
Professional headshot of Katherine De Castro, PA-C, family medicine physician assistant in Antioch, California.
Katherine De Castro
PA-C
Antioch
Professional headshot of Max Caudle, PA-C, neurosurgical physician assistant at BASS Premier Neurosurgery in Walnut Creek, California.
Max Caudle
PA-C
Walnut Creek
Professional headshot of Jeffrey Tran, a Physician Assistant specializing in Neurological Surgery in Walnut Creek, California.
Jeffrey Tran
PA-C
Walnut Creek
Headshot of Emily Fung, PA-C, internal medicine physician assistant based in San Francisco, CA, affiliated with SF ENT (BASS Medical Group).
Emily Fung
PA-C
San Francisco
Professional headshot of Heather Stone, PA, physician assistant specializing in obesity medicine and wellness care at North State Primary Care in Chico and Redding, CA.
Heather Stone
PA
Chico
Professional headshot of Jane Simard, PA-C, board-certified physician assistant specializing in medical weight loss management at North State Primary Care in Redding, CA.
Jane Simard
PA-C
Redding
Headshot of Rachel Moorman, PA-C, board-certified Physician Assistant in Primary Care at BASS Medical Group, Mountain View, California.
Rachel Moorman
PA-C
Mountain View
Professional headshot of Julia Ondarza, a Physician Assistant specializing in Neurology in Walnut Creek, California.
Julia Ondarza
MPAS, PA-C
Walnut Creek
Professional headshot of Annie Humphrey, a Physician Assistant specializing in Emergency Medicine and Geriatrics in Danville, California.
Annie Humphrey
MS, PA-C
Danville
Professional headshot of Olivia Tran, a Physician Assistant specializing in Family Medicine in Hollister, California.
Olivia Tran
PA-C
Hollister
Professional headshot of Taylor Snow, a Physician Assistant specializing in Family Medicine in Hollister, California.
Taylor Snow
MSPA, PA-C
Hollister
Professional headshot of Ehsan Ejaz, a Physician Assistant specializing in Neurological Surgery in Walnut Creek, California.
Ehsan Ejaz
PA-C
Walnut Creek
Julianne Chaves
PA-C
Walnut Creek
Professional headshot of Maria Rodriguez, PA-C, a physician assistant specializing in Orthopedic Surgery in Pleasanton, San Ramon, and Tracy, California.
Maria Rodriguez
PA-C
Pleasanton
Professional headshot of Eileen Hahn, a physician assistant specialized in Colon and Rectal Surgery in Walnut Creek, California.
Eileen Hahn
PA-C
Walnut Creek
Professional headshot of Elizabeth Quadraccia, MHS, PA-C, Pediatrics Physician Assistant at 1:1 Pediatrics in Danville, California.
Elizabeth Quadraccia
MHS, PA-C
Danville
Professional headshot of Nicholas Woods, a physician assistant specializing in Ear, Nose, and Throat care, in Greenbrae, California.
Nicholas Woods
MHS, PA-C
Greenbrae
Professional headshot of Henna Ebrahimi, a Physician Assistant specializing in Family Medicine in San Ramon, California.
Henna Ebrahimi
PA-C, MPAS
San Ramon
Professional headshot of Nicole Stringer, Physician Assistant specializing in Emergency Medicine and Urgent Care in Danville, California.
Nicole Stringer
PA-C
Danville
Professional headshot of Gaia Mohr Tonachini, a physician assistant specializing in Neurological Surgery in Walnut Creek, CA.
Gaia Mohr-Tonachini
PA-C, MMSc
Walnut Creek

Related Specialties

Female primary care physician talking to older Caucasian woman during regular check up.
Primary Care
An internist checking a patient's blood pressure as part of their annual preventative care.
Internal Medicine
Senior patient with neck collar and his doctor analyzing medical report while walking through hallway at the urgent care clinic.
Urgent Care

Services We Offer

  • Physical exams and patient consultations
  • Diagnosis and treatment of acute and chronic conditions
  • Medication management and refills
  • Health screenings and lab work
  • Patient education and lifestyle counseling
  • Minor procedures (suturing, wound care)
  • Assisting in surgery and post-op care
  • Care coordination with physicians and specialists

    • When Should You See a Specialist?

    You may benefit from seeing a PA if:

    • You need a same-day or follow-up appointment
    • Your primary doctor is unavailable
    • You’re managing a stable chronic condition
    • You have questions about medications or lifestyle changes
    • You’re preparing for or recovering from a procedure

    FAQs About Pain Medicine

    Q: What’s the difference between a PA and a doctor?
    A: PAs are licensed clinicians who practice medicine in collaboration with doctors. They can diagnose conditions, prescribe medications, and assist in procedures.

    Q: Will I still see a doctor if I have a PA?
    A: Yes. PAs work closely with supervising physicians and consult them as needed. You may also alternate between your PA and doctor depending on your care plan.

    Q: Can a PA specialize in a specific area of medicine?
    A: Yes. Many PAs work in specialties like cardiology, orthopedics, women’s health, and more. At BASS, they support both primary and specialty care.

    Why Choose BASS Medical Group

    Our Physician Assistants are fully integrated into your care team and are trained across a wide range of medical specialties. BASS Medical Group ensures that all PAs follow rigorous clinical standards and collaborate with supervising physicians to deliver seamless, high-quality care.

    Our Providers

    Professional headshot of Brooke Aber, a Physician Assistant specializing in Pain Medicine in Pain Medicine, California.
    Brooke Aber
    PA
    Pleasant Hill
    Professional headshot of Mahima Jain, a Physician Assistant specializing in Pain Medicine in Pleasanton, California.
    Mahima Jain
    PA
    Pleasanton
    Professional headshot of Susanne Goeb, a Physician Assistant specializing in Family Medicine in Danville, California.
    Susanne Goeb
    PA-C
    Danville
    Professional headshot of Dan Heaney, a Physician Assistant specializing in Family Medicine in Danville, California.
    Dan Heaney
    PA-C
    Danville
    Professional headshot of Marcie Ryan, a Physician Assistant specializing in Family Medicine in Danville, California.
    Marcie Ryan
    PA-C
    Danville
    Professional headshot of Julia DeRenzi, a Physician Assistant specializing in Gastroenterology in San Ramon, California.
    Julia DeRenzi
    PA-C
    San Ramon
    Professional headshot of Timothy Sayles, a Physician Assistant specializing in Family Medicine in San Ramon, California.
    Timothy Sayles
    PA-C
    San Ramon
    Professional headshot of Sarah Eapen, a Physician Assistant specializing in Pain Medicine in Corte Madera, California.
    Sarah Eapen
    PA-C
    Corte Madera
    Professional headshot of Elizabeth Redick, a Physician Assistant specializing in Pain Medicine in Corte Madera, California.
    Elizabeth Redick
    PA
    Corte Madera
    Professional headshot of Behrouz Farsi, a Physician Assistant specializing in Otolaryngology (ENT) in San Jose, California.
    Behrouz Farsi
    PA-C
    San Jose
    Professional headshot of Shaun A. Frost, a Physician Assistant specializing in Otolaryngology (ENT) in San Jose, California.
    Shaun A. Frost
    PA-C
    San Jose
    Professional headshot of Suzanne Yahiro Leibowitz, a Physician Assistant specializing in Obstetrics and Gynecology in Walnut Creek, California.
    Suzanne Yahiro Leibowitz
    PA-C
    Walnut Creek
    Professional headshot of Johanna Ho, a Physician Assistant specializing in general surgery in Oakland, California.
    Johanna Ho
    PA-C
    Oakland
    Lacy Nasseh
    FNP-C
    Walnut Creek
    Professional headshot of Taylor Cuenin, a Physician Assistant specializing in primary care in Walnut Creek, California.
    Taylor Cuenin
    PA-C
    Walnut Creek
    Professional headshot of Ali Mithani, a Physician Assistant specializing in neurosurgical care in Walnut Creek, California.
    Ali Mithani
    PA-C
    Walnut Creek
    Professional headshot of Aurora Lee, a Physician Assistant specializing in Neurology in Walnut Creek, California.
    Aurora Lee
    PA-C
    Walnut Creek
    Professional headshot of Charmaine Santos, a Physician Assistant specializing in primary care in Antioch, California.
    Charmaine Santos
    PA
    Antioch
    Professional headshot of Christine Lim, a Physician Assistant specializing in Family Medicine in Campbell, California.
    Christine Lim
    PA-C
    Campbell
    Professional headshot of Alice Nelly Bolick, a Physician Assistant specializing in Pain Medicine in Pleasanton, California.
    Alice Nelly Bolick
    PA-C
    Pleasanton
    Professional headshot of Crystal Alpert, a Physician Assistant specializing in gynecologic care in Walnut Creek, California.
    Crystal Alpert
    PA
    Walnut Creek
    Professional headshot of Helen Newen, a Physician Assistant in Campbell, California.
    Helen Newen
    PA-C
    Campbell
    Professional headshot of Tara Iqbal, a Physician Assistant specialized in Gastroenterology in Walnut Creek, California.
    Tara Iqbal
    PA-C
    Walnut Creek
    Professional headshot of Lauren Montgomery, PA-C, orthopedic physician assistant at Tri-Valley Orthopedic Specialties in Pleasanton, CA.
    Lauren Montgomery
    MPAS, PA-C
    Pleasanton
    Professional headshot of Katherine De Castro, PA-C, family medicine physician assistant in Antioch, California.
    Katherine De Castro
    PA-C
    Antioch
    Professional headshot of Max Caudle, PA-C, neurosurgical physician assistant at BASS Premier Neurosurgery in Walnut Creek, California.
    Max Caudle
    PA-C
    Walnut Creek
    Professional headshot of Jeffrey Tran, a Physician Assistant specializing in Neurological Surgery in Walnut Creek, California.
    Jeffrey Tran
    PA-C
    Walnut Creek
    Headshot of Emily Fung, PA-C, internal medicine physician assistant based in San Francisco, CA, affiliated with SF ENT (BASS Medical Group).
    Emily Fung
    PA-C
    San Francisco
    Professional headshot of Heather Stone, PA, physician assistant specializing in obesity medicine and wellness care at North State Primary Care in Chico and Redding, CA.
    Heather Stone
    PA
    Chico
    Professional headshot of Jane Simard, PA-C, board-certified physician assistant specializing in medical weight loss management at North State Primary Care in Redding, CA.
    Jane Simard
    PA-C
    Redding
    Headshot of Rachel Moorman, PA-C, board-certified Physician Assistant in Primary Care at BASS Medical Group, Mountain View, California.
    Rachel Moorman
    PA-C
    Mountain View
    Professional headshot of Julia Ondarza, a Physician Assistant specializing in Neurology in Walnut Creek, California.
    Julia Ondarza
    MPAS, PA-C
    Walnut Creek
    Professional headshot of Annie Humphrey, a Physician Assistant specializing in Emergency Medicine and Geriatrics in Danville, California.
    Annie Humphrey
    MS, PA-C
    Danville
    Professional headshot of Olivia Tran, a Physician Assistant specializing in Family Medicine in Hollister, California.
    Olivia Tran
    PA-C
    Hollister
    Professional headshot of Taylor Snow, a Physician Assistant specializing in Family Medicine in Hollister, California.
    Taylor Snow
    MSPA, PA-C
    Hollister
    Professional headshot of Ehsan Ejaz, a Physician Assistant specializing in Neurological Surgery in Walnut Creek, California.
    Ehsan Ejaz
    PA-C
    Walnut Creek
    Julianne Chaves
    PA-C
    Walnut Creek
    Professional headshot of Maria Rodriguez, PA-C, a physician assistant specializing in Orthopedic Surgery in Pleasanton, San Ramon, and Tracy, California.
    Maria Rodriguez
    PA-C
    Pleasanton
    Professional headshot of Eileen Hahn, a physician assistant specialized in Colon and Rectal Surgery in Walnut Creek, California.
    Eileen Hahn
    PA-C
    Walnut Creek
    Professional headshot of Elizabeth Quadraccia, MHS, PA-C, Pediatrics Physician Assistant at 1:1 Pediatrics in Danville, California.
    Elizabeth Quadraccia
    MHS, PA-C
    Danville
    Professional headshot of Nicholas Woods, a physician assistant specializing in Ear, Nose, and Throat care, in Greenbrae, California.
    Nicholas Woods
    MHS, PA-C
    Greenbrae
    Professional headshot of Henna Ebrahimi, a Physician Assistant specializing in Family Medicine in San Ramon, California.
    Henna Ebrahimi
    PA-C, MPAS
    San Ramon
    Professional headshot of Nicole Stringer, Physician Assistant specializing in Emergency Medicine and Urgent Care in Danville, California.
    Nicole Stringer
    PA-C
    Danville
    Professional headshot of Gaia Mohr Tonachini, a physician assistant specializing in Neurological Surgery in Walnut Creek, CA.
    Gaia Mohr-Tonachini
    PA-C, MMSc
    Walnut Creek
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