MR. MARK GILLESPIE P.A.
NPI 1609104835
Physician Assistant in Greenbrae, CA
About Mr. Mark Gillespie P.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MARK GILLESPIE P.A. (NPI 1609104835) is an individual physician assistant in Greenbrae, California, licensed in California (PA58005) and active in the NPI registry since November 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Mark Gillespie P.a. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94904 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENBRAE, CA 94904
GREENBRAE, CA 94904
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Gillespie's NPI number?
The NPI number for Mark Gillespie is 1609104835. It was assigned to this individual provider in the NPPES registry on November 30, 2009.
Where is Mark Gillespie located?
Mark Gillespie practices at 250 Bon Air Rd, Greenbrae, CA 94904. The listed phone number is (415) 925-7000.
What is Mark Gillespie's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Mark Gillespie enrolled in Medicare?
Yes. Mark Gillespie is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Mark Gillespie was last updated on May 29, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
