Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mahmood Fathollazadeh, PA-C

Individual provider Physician Assistant · NPI 1386711158

Mahmood Fathollazadeh, PA-C is a Physician Assistant in Colton, California. Qualified in 1999, 27 years ago. Practices with Andrew W Hesseltine MD Inc, a 9-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
27
Licensed in
CA
In the registry since
2006
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

1850 E Washington St
Colton, CA 92324-4621
Phone: (909) 887-2991
Fax: (909) 887-5694
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 9961 Sierra Ave, Fontana, CA 92335-6720 — (909) 427-3910

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA12070 (CA)

Record details

NPI number1386711158
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedNovember 29, 2006
Last updated in NPPESJuly 18, 2023
Certification dateJuly 18, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Andrew W Hesseltine Md Inc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Colton