Holly Deng, M.D.
NPI 1174790026 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holly Deng, M.D. is a Internal Medicine Physician provider in San Francisco, CA (NPI 1174790026).
Provider details
- NPI number
- 1174790026
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A105953 (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
18 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 437 | 149 |
| Amlodipine Besylate | 280 | 99 |
| Losartan Potassium | 182 | 59 |
| Levothyroxine Sodium | 166 | 51 |
| Metformin Hclbrand: Metformin Hcl Er | 126 | 45 |
| Lisinopril | 104 | 35 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-09
- Last updated
- 2022-02-11
Frequently asked questions
- What is Holly Deng's NPI number?
- Holly Deng's National Provider Identifier (NPI) is 1174790026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Deng's specialty?
- Holly Deng is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Holly Deng located?
- Holly Deng's practice location on file with NPPES is 2238 Geary Blvd, San Francisco, CA 94115-3416.
- What is Holly Deng's phone number?
- The practice phone number listed in the NPPES registry for Holly Deng is (415) 833-2200.
- Does Holly Deng accept Medicare?
- Holly Deng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holly Deng's NPI active?
- Yes — Holly Deng's NPI (1174790026) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.