Diana W. Zhao, MD
Internal Medicine Physician · Newport Beach, CA
Diana W. Zhao, MD is an internal medicine physician with a practice address in Newport Beach, California, and NPI 1295199768, issued on Apr 11, 2016. Check the license (California A150485, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diana W. Zhao
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A150485 CA
Self-reported in NPPES; status is on the state search - Practice location
- 520 Superior Ave Ste 150, Newport Beach, CA 92663
- Phone
- (949) 764-8065
- Enumerated
- Apr 11, 2016
- Record last updated
- Feb 14, 2024
- Fax
- (949) 642-7703
- Medicaid ID
- DZ3232267556 CA
- Medicare enrollment
- Enrolled (PECOS I20190604003015); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2016
- Entity
- Type 1 · individual
Also registered at 520 Superior Ave Ste 150
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Ahn, MDEndocrinology, Diabetes & Metabolism Physician1184949570
- Kris Iyer, M.D.Endocrinology, Diabetes & Metabolism Physician1366535684
- Julia MurphyMedical Physician Assistant1619566726
- Kelly Taylor, NURSE PRACTITIONERNurse Practitioner1124578992
- Amanda Tran, PHARMDAmbulatory Care Pharmacist1992390272
Verify Diana W. Zhao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A150485Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
497 Medicare Part D claims for 130 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Metformin Hcl Er55 claims
- Jardiance50 claims
- Ozempic41 claims
- Levothyroxine Sodium39 claims
- Metformin Hcl29 claims
- Mounjaro21 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.
Industry payments in 2024: $984.88
34 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- David Ahn MD IncNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
94 internal medicine physician records list a practice address in Newport Beach
They are 94 of the 4,414 NPPES records with a practice address in Newport Beach, and 17,696 internal medicine physician records in California.
All 94 in Newport Beach → All 17,696 in California → Every provider in Newport Beach →
Other internal medicine physician records in California
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- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Diana W. Zhao, MD's NPI number?
Diana W. Zhao, MD's National Provider Identifier (NPI) is 1295199768, issued on Apr 11, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Diana W. Zhao, MD located?
The NPPES record lists a practice address at 520 Superior Ave Ste 150, Newport Beach, CA, 92663. Phone: (949) 764-8065. Providers update this record themselves, so call before visiting.
How can I verify Diana W. Zhao, MD's license?
NPPES lists California license number A150485, 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 Diana W. Zhao, MD prescribe under Medicare Part D?
In 2024, Diana W. Zhao, MD had 497 Medicare Part D claims for 130 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.