NPPES file of Aug 9, 2026

Amber Rose An, DO

Geriatric Medicine (Internal Medicine) Physician · Olympia, WA

Amber Rose An, DO is a geriatric medicine (internal medicine) physician with a practice address in Olympia, Washington, and NPI 1538335443, issued on May 1, 2008. Check the license (Washington OP60436404, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538335443
Name
Amber Rose An
Credential
DO
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
OP60436404 WA
Self-reported in NPPES; status is on the state search
Practice location
700 Lilly RD NE, Olympia, WA 98506
Phone
(360) 923-7000
Enumerated
May 1, 2008
Record last updated
Oct 15, 2024
Fax
(360) 923-7089
Medicare enrollment
Enrolled (PECOS I20181116000010); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 700 Lilly RD NE

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

  1. Sharon Abegg, M.D.Psychiatry Physician1437291143
  2. Mary Aesoph, AUDAudiologist1710233978
  3. Krystle Agtarap, PASurgical Physician Assistant1972907590
  4. Elizabeth Alberti, P.A.Physician Assistant1215087937
  5. Stephen Albrecht, M.D.Family Medicine Physician1538286026
  6. Rachna Anand, DOHematology & Oncology Physician1467778472

Verify Amber Rose An in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license OP60436404
    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

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60% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

1,680 Medicare Part D claims for 171 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 32 claims were for opioids.

  1. Amber An1,680
  2. Specialty average4,246

Most prescribed

  1. Potassium Chloride92 claims
  2. Gabapentin83 claims
  3. Atorvastatin Calcium68 claims
  4. Furosemide63 claims
  5. Amlodipine Besylate55 claims
  6. Sertraline Hcl41 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.

Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF WashingtonOlympia, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Amber Rose An among 97 geriatric medicine (internal medicine) physician records in Washington

Amber Rose An, DO is one of 97 geriatric medicine (internal medicine) physician records with a practice address in Washington. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 69% of them.

  • NPI issued2008 · 69% of these records are older, 28% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2008 · median 2004 among the 47 with a school on file
  • Record last updated2024 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Washington

There are 97 geriatric medicine (internal medicine) physician records in Washington.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. James Edstam, M.D.Olympia, WA 985061518022060
  2. David Fairbrook, MDLacey, WA 985031295707537
  3. Ranjy Basa, MDTacoma, WA 984931790869303
  4. Sharon Falzgraf, M.D.Tacoma, WA 984931124087093
  5. Steven Gist, M.D.Tacoma, WA 984931245336064
  6. Iris Tio-Matos, M.D.Tacoma, WA 984931508887647
  7. Solomon TessegaTacoma, WA 984021609757863
  8. Tetyana McIlvaine, DOSilverdale, WA 983831033645684

Common questions

What is Amber Rose An, DO's NPI number?

Amber Rose An, DO's National Provider Identifier (NPI) is 1538335443, issued on May 1, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Amber Rose An, DO located?

The NPPES record lists a practice address at 700 Lilly RD NE, Olympia, WA, 98506. Phone: (360) 923-7000. Providers update this record themselves, so call before visiting.

How can I verify Amber Rose An, DO's license?

NPPES lists Washington license number OP60436404, 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 Amber Rose An, DO prescribe under Medicare Part D?

In 2024, Amber Rose An, DO had 1,680 Medicare Part D claims for 171 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.