NPPES file of Aug 9, 2026

Maria D. Fan, MD

Internal Medicine Physician · Seattle, WA

Maria D. Fan, MD is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1497020580, issued on Mar 21, 2012. Check the license (Washington MD60535288, 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
1497020580
Name
Maria D. Fan
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD60535288 WA
Self-reported in NPPES; status is on the state search
Practice location
515 Minor Ave Ste 300, Seattle, WA 98104
Phone
(206) 386-9500
Enumerated
Mar 21, 2012
Record last updated
Jul 25, 2022
Fax
(206) 386-9605
Medicaid ID
2046556 WA
Medicare enrollment
Enrolled (PECOS I20150817002527); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 2012
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 515 Minor Ave Ste 300

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

  1. Ravi Aiyer, MDNephrology Physician1942414123
  2. Iram Aqeel, MDNephrology Physician1811262330
  3. Donica Badua, ARNPFamily Nurse Practitioner1225647381
  4. Deanna Barber, ARNPFamily Nurse Practitioner1639612617
  5. Paris Barkan, MDNephrology Physician1700235694
  6. Jonathan Barrera-Calix, MDNephrology Physician1356797864

Verify Maria D. Fan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60535288
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

7% more Medicare Part D claims than the average internal medicine physician in 2024

3,407 Medicare Part D claims for 291 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 33 claims were for opioids.

  1. Maria Fan3,407
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium251 claims
  2. Levothyroxine Sodium159 claims
  3. Amlodipine Besylate153 claims
  4. Rosuvastatin Calcium141 claims
  5. Losartan Potassium123 claims
  6. Gabapentin91 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 2 group practices

  1. Kaiser Foundation Health Plan OF WashingtonBellevue, WA
  2. Swedish Health ServicesSeattle, WA

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

Maria D. Fan among 3,079 internal medicine physician records in Washington

Maria D. Fan, MD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.

  • NPI issued2012 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2012 · median 2006 among the 1,852 with a school on file
  • Record last updated2022 · 63% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

821 internal medicine physician records list a practice address in Seattle

They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Paul Abdallah, MDSeattle, WA 981041639166119
  2. James Bushyhead, MDSeattle, WA 981041366439846
  3. Michael Cairns, MDSeattle, WA 981041184611659
  4. Linda Chow, MDSeattle, WA 981041962498014
  5. Alex Efird, MDSeattle, WA 981041669469144
  6. Seth Franklin, MDSeattle, WA 981041588650253
  7. Margo Kober, MDSeattle, WA 981041083601561
  8. Eva KojnokSeattle, WA 981041720075294

Common questions

What is Maria D. Fan, MD's NPI number?

Maria D. Fan, MD's National Provider Identifier (NPI) is 1497020580, issued on Mar 21, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Maria D. Fan, MD located?

The NPPES record lists a practice address at 515 Minor Ave Ste 300, Seattle, WA, 98104. Phone: (206) 386-9500. Providers update this record themselves, so call before visiting.

How can I verify Maria D. Fan, MD's license?

NPPES lists Washington license number MD60535288, 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 Maria D. Fan, MD prescribe under Medicare Part D?

In 2024, Maria D. Fan, MD had 3,407 Medicare Part D claims for 291 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.