Peter Matthew Grandon
Psychiatry Physician · Ann Arbor, MI
Peter Matthew Grandon is a psychiatry physician with a practice address in Ann Arbor, Michigan, and NPI 1144425190, issued on Jun 19, 2007. Check the license (Michigan 4301090522, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Peter Matthew Grandon
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 4301090522 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2215 Fuller RD, Ann Arbor, MI 48105
- Phone
- (734) 845-5246
- Enumerated
- Jun 19, 2007
- Record last updated
- Nov 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,729 in Michigan → Look up another NPI →
Also registered at 2215 Fuller RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristina Abbott, BSN RNRegistered Nurse1669180501
- Abrahime AbdallahRegistered Nurse1760151690
- Hannah AbrahamStudent in an Organized Health Care Education/Training Program1710678578
- Karli AbrahamOccupational Therapy Assistant1437859824
- Kristen Abraham, PH.D.Clinical Psychologist1356775035
- Christine-Grace Adams, RNAmbulatory Care Registered Nurse1336866961
Verify Peter Matthew Grandon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301090522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average psychiatry physician in 2024
28 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Peter Matthew Grandon among 1,729 psychiatry physician records in Michigan
Peter Matthew Grandon 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 2007, is newer than 37% of them.
- NPI issued2007 · 37% of these records are older, 49% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2019 · 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).
246 psychiatry physician records list a practice address in Ann Arbor
They are 246 of the 15,616 NPPES records with a practice address in Ann Arbor, and 1,729 psychiatry physician records in Michigan.
All 1,729 in Michigan → Every provider in Ann Arbor → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jane Carnahan, M.D.Ann Arbor, MI 481051588765804
- Donna Champine, MDAnn Arbor, MI 481051306918818
- Barbara Day, MDAnn Arbor, MI 481051679519409
- Duane Difranco, MDAnn Arbor, MI 481051699847582
- Bruce Gimbel, M.D.Ann Arbor, MI 481051669484887
- Joyce Kales, M.D.Ann Arbor, MI 481051023194602
- Ziad Kronfol, MDAnn Arbor, MI 481051164594586
- Craig Lemmen, MDAnn Arbor, MI 481051679586002
Common questions
What is Peter Matthew Grandon's NPI number?
Peter Matthew Grandon's National Provider Identifier (NPI) is 1144425190, issued on Jun 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Peter Matthew Grandon located?
The NPPES record lists a practice address at 2215 Fuller RD, Ann Arbor, MI, 48105. Phone: (734) 845-5246. Providers update this record themselves, so call before visiting.
How can I verify Peter Matthew Grandon's license?
NPPES lists Michigan license number 4301090522, 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 Peter Matthew Grandon prescribe under Medicare Part D?
In 2024, Peter Matthew Grandon had 28 Medicare Part D claims; 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.