Yu-Hung Patty Peng, MD
Internal Medicine Physician · Martinez, CA
Yu-Hung Patty Peng, MD is an internal medicine physician with a practice address in Martinez, California, and NPI 1922298520, issued on Jul 30, 2007. Check the license (California A78650, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yu-Hung Patty Peng
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A78650 CA
A78615 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Alhambra Ave, Martinez, CA 94553
- Phone
- (925) 370-5000
- Enumerated
- Jul 30, 2007
- Record last updated
- Jun 6, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2500 Alhambra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pyra Aarden, MDEmergency Medicine Physician1417058199
- Zohaib AbbasiPsychiatry Physician1013392224
- Lolita AdonaFamily Nurse Practitioner1821110925
- Namita AgarwalPediatrics Physician1467626341
- Edward AgyekumDentist1124196696
- Abid Ahmed, M.D.Internal Medicine Physician1346531001
Verify Yu-Hung Patty Peng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A78650Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,063 Medicare Part D claims for 259 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 86 claims were for opioids.
Most prescribed
- Atorvastatin Calcium317 claims
- Amlodipine Besylate140 claims
- Levothyroxine Sodium106 claims
- Metformin Hcl102 claims
- Alendronate Sodium86 claims
- Lisinopril84 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Yu-Hung Patty Peng among 17,696 internal medicine physician records in California
Yu-Hung Patty Peng, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 internal medicine physician records list a practice address in Martinez
They are 48 of the 1,816 NPPES records with a practice address in Martinez, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Martinez → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Chapman, MDMartinez, CA 945531578548129
- George Chuang, DOMartinez, CA 945531235217324
- Jeremy Fish, MDMartinez, CA 945531952497943
- Thomas Gamsky, MDMartinez, CA 945531043296247
- Gerhard Heinrich, M.D.Martinez, CA 945531306828728
- Nancy Lazarus, M.D.Martinez, CA 945531073598223
- Sara Levin, MDMartinez, CA 945531184707853
- Brian O'Neill, M.D.Martinez, CA 945531366425985
Common questions
What is Yu-Hung Patty Peng, MD's NPI number?
Yu-Hung Patty Peng, MD's National Provider Identifier (NPI) is 1922298520, issued on Jul 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Yu-Hung Patty Peng, MD located?
The NPPES record lists a practice address at 2500 Alhambra Ave, Martinez, CA, 94553. Phone: (925) 370-5000. Providers update this record themselves, so call before visiting.
How can I verify Yu-Hung Patty Peng, MD's license?
NPPES lists California license number A78650, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Yu-Hung Patty Peng, MD prescribe under Medicare Part D?
In 2024, Yu-Hung Patty Peng, MD had 3,063 Medicare Part D claims for 259 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.