Deborah Dang, M.D.
NPI 1558363978 · Geriatric Medicine (Internal Medicine) Physician · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deborah Dang, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in San Francisco, CA (NPI 1558363978).
Provider details
- NPI number
- 1558363978
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- C41766 (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
20 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
- 2005-08-15
- Last updated
- 2011-12-16
Frequently asked questions
- What is Deborah Dang's NPI number?
- Deborah Dang's National Provider Identifier (NPI) is 1558363978, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deborah Dang's specialty?
- Deborah Dang is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Deborah Dang located?
- Deborah Dang's practice location on file with NPPES is 1333 Bush St, San Francisco, CA 94109-5611.
- What is Deborah Dang's phone number?
- The practice phone number listed in the NPPES registry for Deborah Dang is (415) 292-8888.
- Does Deborah Dang accept Medicare?
- Deborah Dang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deborah Dang's NPI active?
- Yes — Deborah Dang's NPI (1558363978) is active in the NPPES registry as of the last update on 2011-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.