Wiley Fan, DO
Infectious Disease Physician · Farmington Hills, MI
Wiley Fan, DO is an infectious disease physician with a practice address in Farmington Hills, Michigan, and NPI 1811939572, issued on Jun 10, 2006. Check the license (Michigan 5101007795, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Wiley Fan
- Credential
- DO
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 5101007795 MI
Self-reported in NPPES; status is on the state search - Practice location
- 28080 Grand River Ave Ste 306N, Farmington Hills, MI 48336
- Phone
- (947) 521-8314
- Enumerated
- Jun 10, 2006
- Record last updated
- Nov 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (248) 478-8864
- Medicaid ID
- 2869034 MI
- Medicare enrollment
- Enrolled (PECOS I20100126000622); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1979
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 301 in Michigan → Look up another NPI →
Also registered at 28080 Grand River Ave Ste 306N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Syed Ahmad, M.D.Infectious Disease Physician1588819288
- Jason Amos, DOCardiovascular Disease Physician1215163605
- Jack Belen, DOPulmonary Disease Physician1093792053
- David Gowman, DOCardiovascular Disease Physician1710967658
- Robert Smith, DOInfectious Disease Physician1457396285
- Joshua Sternberg, DOCardiovascular Disease Physician1114456787
Verify Wiley Fan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101007795Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average infectious disease physician in 2024
212 Medicare Part D claims for 25 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Biktarvy39 claims
- Daptomycin17 claims
- Ceftriaxone16 claims
- Ertapenem14 claims
- Abacavir-Lamivudine12 claims
- Ritonavir12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Beaumont Medical Group- Specialty ServicesFarmington Hills, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wiley Fan among 301 infectious disease physician records in Michigan
Wiley Fan, DO is one of 301 infectious disease physician records with a practice address in Michigan. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1979 · median 2002 among the 224 with a school on file
- Record last updated2020 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Michigan
There are 301 infectious disease physician records in Michigan.
All 301 in Michigan → Every provider in Farmington Hills → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Syed Ahmad, M.D.Farmington Hills, MI 483361588819288
- Gerald Blackburn, DOFarmington Hills, MI 483361477597326
- Kristin Derderian, DOFarmington Hills, MI 483361376624130
- Susan Knoll-Vlachos, DOFarmington Hills, MI 483361053356899
- Robert Smith, DOFarmington Hills, MI 483361457396285
- Paul Johnson, MDPontiac, MI 483411649568684
- Amar KrishnaPontiac, MI 483411710234018
- Franklin Rosenblat, D.O.Pontiac, MI 483411689671281
Common questions
What is Wiley Fan, DO's NPI number?
Wiley Fan, DO's National Provider Identifier (NPI) is 1811939572, issued on Jun 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wiley Fan, DO located?
The NPPES record lists a practice address at 28080 Grand River Ave Ste 306N, Farmington Hills, MI, 48336. Phone: (947) 521-8314. Providers update this record themselves, so call before visiting.
How can I verify Wiley Fan, DO's license?
NPPES lists Michigan license number 5101007795, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Wiley Fan, DO prescribe under Medicare Part D?
In 2024, Wiley Fan, DO had 212 Medicare Part D claims for 25 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Wiley Fan, DO's MIPS final score?
The 2023 MIPS final score is 81 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.