Are you Mark M. Moasser, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileBased in San Francisco, CA, Mark M. Moasser, M.D. is listed in the NPI registry under medical oncology. Mark graduated from Tufts University School of Medicine in 1988. Medicare claims data shows Mark provided 235 services to 97 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more. NPI 1417911751 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1600 DIVISADERO ST 2ND FLOOR, BOX 1710
San Francisco, CA 94115
Within Medical Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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235 services · 97 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
118 | As often as other peers in Medical Oncology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
102 | As often as other peers in Medical Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
15 | Less often than most peers in Medical Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mark M. Moasser is an oncologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
Mark M. Moasser is listed at 1600 Divisadero St 2Nd Floor, Box 1710, San Francisco, CA 94115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 353-7070. Contact the office directly to confirm availability and scheduling.
NPI registry
Mark M. Moasser's National Provider Identifier is 1417911751. 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
Mark M. Moasser attended Tufts University School of Medicine, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
Mark M. Moasser has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mark M. Moasser 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
Not yet. This profile is built from public federal data and has not been confirmed by Mark M. Moasser. If this is you, claiming it is free.
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