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.
- 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
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
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.
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Verify Maria D. Fan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60535288Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Atorvastatin Calcium251 claims
- Levothyroxine Sodium159 claims
- Amlodipine Besylate153 claims
- Rosuvastatin Calcium141 claims
- Losartan Potassium123 claims
- 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
- Kaiser Foundation Health Plan OF WashingtonBellevue, WA
- 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.
All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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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.