NPPES file of Aug 9, 2026

Michael Y. Greenley, MD

Ophthalmology Physician · Farmington Hills, MI

Michael Y. Greenley, MD is an ophthalmology physician with a practice address in Farmington Hills, Michigan, and NPI 1952392813, issued on Oct 31, 2005. Check the license (Michigan 4301045964, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952392813
Name
Michael Y. Greenley
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
4301045964 MI
Self-reported in NPPES; status is on the state search
Practice location
29990 Northwestern Hwy, Farmington Hills, MI 48334
Phone
(248) 538-6463
Enumerated
Oct 31, 2005
Record last updated
Aug 21, 2023
Fax
(248) 538-6470
Medicaid ID
4355120 MI
Medicare enrollment
Enrolled (PECOS I20050725001134); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1981
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 29990 Northwestern Hwy

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

  1. Erik Belcarz, O.D.Optometrist1003915737
  2. Ronald Bergman, MDOphthalmology Physician1225015399
  3. Zachary BergmanOphthalmology Physician1104321819

Verify Michael Y. Greenley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301045964
    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 Michigan 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.

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82% more Medicare Part D claims than the average ophthalmology physician in 2024

2,757 Medicare Part D claims for 649 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Michael Greenley2,757
  2. Specialty average1,518

Most prescribed

  1. Latanoprost715 claims
  2. Ketorolac Tromethamine450 claims
  3. Dorzolamide-Timolol314 claims
  4. Brimonidine Tartrate181 claims
  5. Tobramycin-Dexamethasone159 claims
  6. Timolol Maleate131 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $68.48

4 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Greenley$68.48
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Porretta And Bergman MD, PCFarmington Hills, MI

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

Michael Y. Greenley among 791 ophthalmology physician records in Michigan

Michael Y. Greenley, MD is one of 791 ophthalmology physician records with a practice address in Michigan. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 78% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1981 · median 2002 among the 548 with a school on file
  • Record last updated2023 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Michigan

There are 791 ophthalmology physician records in Michigan.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Ronald Bergman, MDFarmington Hills, MI 483341225015399
  2. Zachary BergmanFarmington Hills, MI 483341104321819
  3. Mavis GappyFarmington Hills, MI 483341376171322
  4. Harpreet Gill, M.D.Farmington Hills, MI 483341912067315
  5. Joshua Grant, MDFarmington Hills, MI 483341447485461
  6. Matthew Koehler, MDFarmington Hills, MI 483341821093535
  7. Sally Murad-Kejbou, D.O.Farmington Hills, MI 483341366671521
  8. Salma Noorulla, MDFarmington Hills, MI 483341174885982

Common questions

What is Michael Y. Greenley, MD's NPI number?

Michael Y. Greenley, MD's National Provider Identifier (NPI) is 1952392813, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael Y. Greenley, MD located?

The NPPES record lists a practice address at 29990 Northwestern Hwy, Farmington Hills, MI, 48334. Phone: (248) 538-6463. Providers update this record themselves, so call before visiting.

How can I verify Michael Y. Greenley, MD's license?

NPPES lists Michigan license number 4301045964, 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 Michael Y. Greenley, MD prescribe under Medicare Part D?

In 2024, Michael Y. Greenley, MD had 2,757 Medicare Part D claims for 649 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Michael Y. Greenley, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.