Stephen R Bunker MD
NPI 1427203355 · Nuclear Radiology Physician · San Francisco, CA
Stephen R Bunker MD is a Nuclear Radiology Physician organization in San Francisco, CA (NPI 1427203355).
Provider details
- NPI number
- 1427203355
- Entity type
- Organization
- Primary specialty
- Nuclear Radiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Stephen Bunker, Owner(415) 921-7226
- License
- G36647 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-11-19
- Last updated
- 2008-11-21
Frequently asked questions
- What is Stephen R Bunker MD's NPI number?
- Stephen R Bunker MD's National Provider Identifier (NPI) is 1427203355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Stephen R Bunker MD?
- Stephen R Bunker MD is classified in the NPPES registry as Nuclear Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen R Bunker MD located?
- Stephen R Bunker MD's practice location on file with NPPES is 1700 California St, San Francisco, CA 94109-4586.
- What is Stephen R Bunker MD's phone number?
- The practice phone number listed in the NPPES registry for Stephen R Bunker MD is (415) 921-7226.
- Who is the authorized official for Stephen R Bunker MD?
- The authorized official listed on Stephen R Bunker MD's NPPES record is Stephen Bunker, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Stephen R Bunker MD's NPI active?
- Yes — Stephen R Bunker MD's NPI (1427203355) is active in the NPPES registry as of the last update on 2008-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.