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Edit this profileWhere to find Mark Gillespie, P.A.
- San Diego location main office
200 W Arbor Dr, San Diego, CA 92103 - San Diego location
6655 Alvarado Rd, San Diego, CA 92120 - Greenbrae location
250 Bon Air Rd, Greenbrae, CA 94904 - La Jolla location
9300 Campus Point Dr, La Jolla, CA 92037
About Mark Gillespie
Listed in the NPI registry as a physician assistant, Mark Gillespie, P.A. practices in San Diego, CA. Medicare claims data shows Mark provided 46 services to 43 patients. The services billed most often include critical care, first 30-74 minutes. NPI 1609104835 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (800) 926-8273
- Email not available
Practice Locations
200 W ARBOR DR
San Diego, CA 92103
6655 Alvarado Rd
San Diego, CA 92120
250 Bon Air Rd
Greenbrae, CA 94904
9300 Campus Point Dr
La Jolla, CA 92037
Procedures Most Often Billed to Medicare
46 services · 43 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
46 | More often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in San Diego 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Mark Gillespie specialize in?
Mark Gillespie is a physician assistant in San Diego, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mark Gillespie located?
Mark Gillespie is listed at 200 W Arbor Dr, San Diego, CA 92103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mark Gillespie's phone number?
The number on file is (800) 926-8273. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark Gillespie?
Mark Gillespie's National Provider Identifier is 1609104835. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mark Gillespie train?
Mark Gillespie attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark Gillespie have?
Mark Gillespie has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What does Mark Gillespie do most often?
According to Medicare billing data, Mark Gillespie the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mark Gillespie's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark Gillespie. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.