Robert E Markison MD a Professional Corporation
NPI 1861799447 · Orthopaedic Hand Surgery Physician · San Francisco, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert E Markison MD a Professional Corporation is a Orthopaedic Hand Surgery Physician organization in San Francisco, CA (NPI 1861799447).
Provider details
- NPI number
- 1861799447
- Entity type
- Organization
- Primary specialty
- Orthopaedic Hand Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Robert Markison, Medical Doctor(415) 929-5900
- License
- G33051 (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
Other names (DBA / former)
- Other name
- A Professional Corporation
Registry dates
- Enumerated
- 2011-02-17
- Last updated
- 2011-03-01
Frequently asked questions
- What is Robert E Markison MD a Professional Corporation's NPI number?
- Robert E Markison MD a Professional Corporation's National Provider Identifier (NPI) is 1861799447, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Robert E Markison MD a Professional Corporation?
- Robert E Markison MD a Professional Corporation is classified in the NPPES registry as Orthopaedic Hand Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Robert E Markison MD a Professional Corporation located?
- Robert E Markison MD a Professional Corporation's practice location on file with NPPES is 2000 Van Ness Ave, San Francisco, CA 94109-3023.
- What is Robert E Markison MD a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Robert E Markison MD a Professional Corporation is (415) 929-5900.
- Does Robert E Markison MD a Professional Corporation accept Medicare?
- Robert E Markison MD 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 Robert E Markison MD a Professional Corporation?
- The authorized official listed on Robert E Markison MD a Professional Corporation's NPPES record is Robert Markison, Medical Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Robert E Markison MD a Professional Corporation's NPI active?
- Yes — Robert E Markison MD a Professional Corporation's NPI (1861799447) is active in the NPPES registry as of the last update on 2011-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.