Xin Zhang, MD
Internal Medicine Physician · Riverside, CA
Xin Zhang, MD is an internal medicine physician with a practice address in Riverside, California, and NPI 1528043551, issued on Dec 13, 2005. Check the license (California A84817, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Xin Zhang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A84817 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6250 Clay St, Riverside, CA 92509
- Phone
- (951) 360-5275
- Enumerated
- Dec 13, 2005
- Record last updated
- Apr 11, 2025
- Fax
- (951) 360-9069
- Medicare enrollment
- Enrolled (PECOS I20050811001075); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 6250 Clay St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Prateek Jindal, DOFamily Medicine Physician1427038736
- Samuel Oh, MDFamily Medicine Physician1760466197
- Jacqueline Powers-Bowier, PAMedical Physician Assistant1255316261
Verify Xin Zhang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A84817Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
8,837 Medicare Part D claims for 688 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 107 claims were for opioids.
Most prescribed
- Atorvastatin Calcium605 claims
- Amlodipine Besylate578 claims
- Losartan Potassium395 claims
- Levothyroxine Sodium335 claims
- Lisinopril307 claims
- Metformin Hcl290 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: $302.05
13 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Riverside Medical Clinic IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
187 internal medicine physician records list a practice address in Riverside
They are 187 of the 13,893 NPPES records with a practice address in Riverside, and 17,696 internal medicine physician records in California.
All 187 in Riverside → All 17,696 in California → Every provider in Riverside →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- 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 Xin Zhang, MD's NPI number?
Xin Zhang, MD's National Provider Identifier (NPI) is 1528043551, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Xin Zhang, MD located?
The NPPES record lists a practice address at 6250 Clay St, Riverside, CA, 92509. Phone: (951) 360-5275. Providers update this record themselves, so call before visiting.
How can I verify Xin Zhang, MD's license?
NPPES lists California license number A84817, 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 Xin Zhang, MD prescribe under Medicare Part D?
In 2024, Xin Zhang, MD had 8,837 Medicare Part D claims for 688 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.