Joyce M. Gregory, MD
Addiction Psychiatry Physician · Holland, MI
Joyce M. Gregory, MD is an addiction psychiatry physician with a practice address in Holland, Michigan, and NPI 1992845028, issued on Feb 7, 2007. Check the license (Michigan 4301086608, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Joyce M. Gregory
- Credential
- MD
- Primary taxonomy
- Addiction Psychiatry Physician 2084P0802X
- License number
- 4301086608 MI
Self-reported in NPPES; status is on the state search - Practice location
- 854 Washington Ave, Holland, MI 49423
- Phone
- (616) 392-5141
- Enumerated
- Feb 7, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20051003000025); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest addiction psychiatry physician records → All 18 in Michigan → Look up another NPI →
Also registered at 854 Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark BombaraClinical Psychologist1538205455
- Anita Brooks, MA LLPClinical Psychologist1952440174
- Jeff Carroll, PHDClinical Psychologist1407995319
- Kayla GethinBehavior Analyst1144792813
- Mackenzie Harris, DPTPhysical Therapist1083368286
- R. Koch, LMSWClinical Social Worker1538209929
Verify Joyce M. Gregory in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301086608Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average addiction psychiatry physician in 2024
116 Medicare Part D claims for 30 beneficiaries, against an average of 716 among the 421 providers of this specialty who prescribed in Part D.
Most prescribed
- Quetiapine Fumarate19 claims
- Sertraline Hcl12 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
- W. A. Foote Memorial Hospital, Inc.Jackson, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joyce M. Gregory among 18 addiction psychiatry physician records in Michigan
Joyce M. Gregory, MD is one of 18 addiction psychiatry physician records with a practice address in Michigan. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 44% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2000 · median 2003 among the 10 with a school on file
- Record last updated2007 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0802X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Psychiatry Physician providers in Michigan
There are 18 addiction psychiatry physician records in Michigan.
All 18 in Michigan → Every provider in Holland → Addiction Psychiatry Physician nationwide →
The 8 addiction psychiatry physician records with the nearest ZIP codes
- David Vigor, MDLowell, MI 493311235144940
- Umer Farooq, MDGrand Rapids, MI 495481487885513
- Ali Saleem, M.D.Grand Rapids, MI 495481467867929
- Belal Hegazy, M.D.Battle Creek, MI 490151205103793
- Olivia Han, MDLansing, MI 489101962188003
- Norman Miller, MDSaginaw, MI 486021174632202
- Robert Niven, MDWest Bloomfield, MI 483221619196250
- Sam Schwendiman, M.D.Ferndale, MI 482201063621696
Common questions
What is Joyce M. Gregory, MD's NPI number?
Joyce M. Gregory, MD's National Provider Identifier (NPI) is 1992845028, issued on Feb 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joyce M. Gregory, MD located?
The NPPES record lists a practice address at 854 Washington Ave, Holland, MI, 49423. Phone: (616) 392-5141. Providers update this record themselves, so call before visiting.
How can I verify Joyce M. Gregory, MD's license?
NPPES lists Michigan license number 4301086608, 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 Joyce M. Gregory, MD prescribe under Medicare Part D?
In 2024, Joyce M. Gregory, MD had 116 Medicare Part D claims for 30 beneficiaries; the average among addiction psychiatry physician prescribers was 716. 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.