Registry data as of Aug 27, 2026

Xin Zhang, MD

Geriatric Medicine (Internal Medicine) Physician · Vancouver, WA

Xin Zhang, MD is a geriatric medicine (internal medicine) physician with a practice address in Vancouver, Washington, and NPI 1841679644, issued on May 26, 2015. Check the license (Washington MD61004805, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1841679644
Name
Xin Zhang
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License numbers
MD61004805 WA
60973 MN
Self-reported in NPPES; status is on the state search
Practice location
700 NE 87TH Ave Ste And240, Vancouver, WA 98664
Phone
(360) 882-2778
Enumerated
May 26, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 700 NE 87TH Ave Ste And240

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Marissa Krienke, MDInternal Medicine Physician1013573856
  2. Elizabeth Teeling, ARNPFamily Nurse Practitioner1972970010

Verify Xin Zhang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD61004805
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

41% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

6,229 Medicare Part D claims for 597 beneficiaries, against an average of 4,420 among the 2,888 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 176 claims were for opioids.

  1. Xin Zhang6,229
  2. Specialty average4,420

Most prescribed

  1. Atorvastatin Calcium357 claims
  2. Levothyroxine Sodium261 claims
  3. Donepezil Hcl213 claims
  4. Losartan Potassium212 claims
  5. Amlodipine Besylate207 claims
  6. Rosuvastatin Calcium193 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.

One hospital or facility affiliation

  1. The Vancouver Clinic Inc PSVancouver, WA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Geriatric Medicine (Internal Medicine) Physician providers in Washington

There are 88 geriatric medicine (internal medicine) physician records in Washington.

Other geriatric medicine (internal medicine) physician records in Washington

  1. Itamar Abrass, MDSeattle, WA1932266129
  2. Amber An, DOOlympia, WA1538335443
  3. Yasmin Ansari, MDVancouver, WA1427005487
  4. Vernan AtienzaKirkland, WA1851402440
  5. Jennifer Balde, M.D.Pasco, WA1407170715
  6. Ranjy Basa, MDTacoma, WA1790869303
  7. Paul Beck, M.D.Seattle, WA1376619171
  8. Katherine Bennett, MDSeattle, WA1831102581
  9. Anna Bienkowski, MDRichland, WA1477668069
  10. Marissa Black, M.D.Kirkland, WA1114269735

Common questions

What is Xin Zhang, MD's NPI number?

Xin Zhang, MD's National Provider Identifier (NPI) is 1841679644, issued on May 26, 2015. 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 700 NE 87TH Ave Ste And240, Vancouver, WA, 98664. Phone: (360) 882-2778. Providers update this record themselves, so call before visiting.

How can I verify Xin Zhang, MD's license?

NPPES lists Washington license number MD61004805, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. 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 6,229 Medicare Part D claims for 597 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,420. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.