Diana Funk, MD
NPI 1689250201 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Funk, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1689250201).
Provider details
- NPI number
- 1689250201
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A193724 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1001 Potrero Ave Bldg 10 Ward 13San Francisco, CA 94110-3518Phone: (628) 206-8000
Registry dates
- Enumerated
- 2021-03-23
- Last updated
- 2025-12-12
- Certified
- 2025-12-12
Frequently asked questions
- What is Diana Funk's NPI number?
- Diana Funk's National Provider Identifier (NPI) is 1689250201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Funk's specialty?
- Diana Funk is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Funk located?
- Diana Funk's practice location on file with NPPES is 505 Parnassus Ave, San Francisco, CA 94143-2204.
- What is Diana Funk's phone number?
- The practice phone number listed in the NPPES registry for Diana Funk is (415) 476-1000.
- Does Diana Funk accept Medicare?
- Diana Funk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Funk's NPI active?
- Yes — Diana Funk's NPI (1689250201) is active in the NPPES registry as of the last update on 2025-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.