C James Garnet Block
Psychiatry Physician · Ann Arbor, MI
C James Garnet Block is a psychiatry physician with a practice address in Ann Arbor, Michigan, and NPI 1427793231, issued on May 5, 2022. Check the license (Michigan 4301512064, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- C James Garnet Block
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 4301512064 MI
4351049021 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Phone
- (734) 615-0199
- Enumerated
- May 5, 2022
- Record last updated
- Dec 30, 2024
- Medicare enrollment
- Enrolled (PECOS I20250528001287); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,729 in Michigan → Look up another NPI →
Also registered at 1500 E Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify C James Garnet Block in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301512064Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average psychiatry physician in 2024
150 Medicare Part D claims for 38 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Trazodone Hcl14 claims
- Methylphenidate Hcl13 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
- Bronson-Acadia Joint Venture LLCBattle Creek, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
C James Garnet Block among 1,729 psychiatry physician records in Michigan
C James Garnet Block 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 2022, is newer than 88% of them.
- NPI issued2022 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2022 · median 2005 among the 828 with a school on file
- Record last updated2024 · 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
- Alp Baran, M.D.Ann Arbor, MI 481091336183268
- Kristine Beard, DOAnn Arbor, MI 481091790742211
- David Belmonte, M.D.Ann Arbor, MI 481091922194406
- Karla Blackwood, MDAnn Arbor, MI 481091871586719
- Michael Casher, M.D.Ann Arbor, MI 481091477577294
- Sara Figueroa, MDAnn Arbor, MI 481091144303033
- David Im, MDAnn Arbor, MI 481091952357790
- Israel Liberzon, M.D.Ann Arbor, MI 481091235226168
Common questions
What is C James Garnet Block's NPI number?
C James Garnet Block's National Provider Identifier (NPI) is 1427793231, issued on May 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is C James Garnet Block located?
The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 615-0199. Providers update this record themselves, so call before visiting.
How can I verify C James Garnet Block's license?
NPPES lists Michigan license number 4301512064, 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 C James Garnet Block prescribe under Medicare Part D?
In 2024, C James Garnet Block had 150 Medicare Part D claims for 38 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.