Martin L. Rossman, M.D., a Professional Corporation
NPI 1124310636 · General Practice Physician · Greenbrae, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin L. Rossman, M.D., a Professional Corporation is a General Practice Physician organization in Greenbrae, CA (NPI 1124310636).
Provider details
- NPI number
- 1124310636
- Entity type
- Organization
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Martin Rossman, Owner(415) 925-8600
- License
- C032668 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-03
- Last updated
- 2011-09-15
Frequently asked questions
- What is Martin L. Rossman, M.D., a Professional Corporation's NPI number?
- Martin L. Rossman, M.D., a Professional Corporation's National Provider Identifier (NPI) is 1124310636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Martin L. Rossman, M.D., a Professional Corporation?
- Martin L. Rossman, M.D., a Professional Corporation is classified in the NPPES registry as General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Martin L. Rossman, M.D., a Professional Corporation located?
- Martin L. Rossman, M.D., a Professional Corporation's practice location on file with NPPES is 1341 S Eliseo Dr, Greenbrae, CA 94904-2000.
- What is Martin L. Rossman, M.D., a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Martin L. Rossman, M.D., a Professional Corporation is (415) 925-8600.
- Does Martin L. Rossman, M.D., a Professional Corporation accept Medicare?
- Martin L. Rossman, M.D., a Professional Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Martin L. Rossman, M.D., a Professional Corporation?
- The authorized official listed on Martin L. Rossman, M.D., a Professional Corporation's NPPES record is Martin Rossman, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Martin L. Rossman, M.D., a Professional Corporation's NPI active?
- Yes — Martin L. Rossman, M.D., a Professional Corporation's NPI (1124310636) is active in the NPPES registry as of the last update on 2011-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.