NPPES file of Aug 9, 2026

Gregory G. Green, MD

Psychiatry Physician · Muskegon, MI

Gregory G. Green, MD is a psychiatry physician with a practice address in Muskegon, Michigan, and NPI 1780673525, issued on Oct 14, 2005. Check the license (Michigan 4301074048, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780673525
Name
Gregory G. Green
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
4301074048 MI
Self-reported in NPPES; status is on the state search
Practice location
376 Apple Ave, Muskegon, MI 49442
Phone
(231) 724-1111
Enumerated
Oct 14, 2005
Record last updated
Aug 30, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(231) 720-3295
Medicare enrollment
Enrolled (PECOS I20040818000010); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1999
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.
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Verify Gregory G. Green 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 4301074048
    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

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3.8 times the Medicare Part D claims of the average psychiatry physician in 2024

3,833 Medicare Part D claims for 185 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Gregory Green3,833
  2. Specialty average1,000

Most prescribed

  1. Clozapine275 claims
  2. Olanzapine267 claims
  3. Invega Sustenna178 claims
  4. Buspirone Hcl146 claims
  5. Olanzapine Odt138 claims
  6. Lamotrigine129 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. County OF MuskegonMuskegon, MI

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

Gregory G. Green among 1,729 psychiatry physician records in Michigan

Gregory G. Green, MD is one of 1,729 psychiatry physician records with a practice address in Michigan. 69% 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, 96% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated1999 · median 2005 among the 828 with a school on file
  • Record last updated2016 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Michigan

There are 1,729 psychiatry physician records in Michigan.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Nancy Devine, M.D.Muskegon, MI 494421437197050
  2. Zia Khan, MDMuskegon, MI 494421972690253
  3. Kailin Kuo, MDMuskegon, MI 494421699158808
  4. Rick Roller, DOMuskegon, MI 494421588224083
  5. Isha Salva, MDMuskegon, MI 494421801819016
  6. Greeley Miklashek, MDMuskegon, MI 494411962473082
  7. James Wiaduck, M.D.Norton Shores, MI 494411114946506
  8. Brandi Anderson, PMHNPMuskegon, MI 494401306703608

Common questions

What is Gregory G. Green, MD's NPI number?

Gregory G. Green, MD's National Provider Identifier (NPI) is 1780673525, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gregory G. Green, MD located?

The NPPES record lists a practice address at 376 Apple Ave, Muskegon, MI, 49442. Phone: (231) 724-1111. Providers update this record themselves, so call before visiting.

How can I verify Gregory G. Green, MD's license?

NPPES lists Michigan license number 4301074048, 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 Gregory G. Green, MD prescribe under Medicare Part D?

In 2024, Gregory G. Green, MD had 3,833 Medicare Part D claims for 185 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.