Yu-Hung Peng, MD
NPI 1922298520 · Internal Medicine Physician · Martinez, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yu-Hung Peng, MD is a Internal Medicine Physician provider in Martinez, CA (NPI 1922298520).
Provider details
- NPI number
- 1922298520
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A78615 (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
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 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 317 | 95 |
| Amlodipine Besylate | 140 | 47 |
| Levothyroxine Sodium | 106 | 20 |
| Metformin Hcl | 102 | 26 |
| Alendronate Sodium | 86 | 21 |
| Lisinopril | 84 | 29 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-30
- Last updated
- 2018-06-06
Frequently asked questions
- What is Yu-Hung Peng's NPI number?
- Yu-Hung Peng's National Provider Identifier (NPI) is 1922298520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yu-Hung Peng's specialty?
- Yu-Hung Peng is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yu-Hung Peng located?
- Yu-Hung Peng's practice location on file with NPPES is 2500 Alhambra Ave, Martinez, CA 94553.
- What is Yu-Hung Peng's phone number?
- The practice phone number listed in the NPPES registry for Yu-Hung Peng is (925) 370-5000.
- Does Yu-Hung Peng accept Medicare?
- Yu-Hung Peng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yu-Hung Peng's NPI active?
- Yes — Yu-Hung Peng's NPI (1922298520) is active in the NPPES registry as of the last update on 2018-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.