C JAMES GARNET BLOCK – Psychiatry Physician, NPI 1427793231

C JAMES GARNET BLOCK is a healthcare provider. based in Ann arbor, Michigan. specializing in PSYCHIATRY. They hold a License No. 4351049021 (MI). The NPI Number for C JAMES GARNET BLOCK is 1427793231

Main info

Male
4 Years Of Experience
Accepts Medicare Assignment
Name
C JAMES GARNET BLOCK
NPI
1427793231
Phone
(734) 615-0199
Address
1500 E MEDICAL CENTER DR
Enumeration Date
5 May 2022
Last Update Date
30 December 2024

Doctor Profile

Medical School Name
WAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
2692564700
Graduation Year
2022 (4 years ago)
PAC ID
8224415682
Group Practice PAC ID
4688031578
Professional Enrollment ID
I20250528001287
Address ID
MI490154274BA5550XRDXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience41
Completeness75
Years active:4State licenses:2Digital endpointsOther names

1,216 PSYCHIATRY in MI

Provider Addresses for C JAMES GARNET BLOCK

  • 1500 E MEDICAL CENTER DR

    UH SOUTH F-6245

    ANN ARBOR, MI 481095000

    Phone: (734) 615-0199

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-05-28

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20250528001287IPsychiatryMITBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 48109)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4688031578View full group profile
NameSpecialtyState
P S Y C H I A T R YCO
Physician AssistantMI
P S Y C H I A T R YMI
P S Y C H I A T R YMI
Nurse PractitionerMI
Nurse PractitionerMI
P S Y C H I A T R YMT
Nurse PractitionerMI
Nurse PractitionerMI
P S Y C H I A T R YMI

Reviews

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Frequently asked questions

What NPI should I save for C JAMES GARNET BLOCK?
Save NPI 1427793231 if you need a stable reference for C JAMES GARNET BLOCK.
Is C JAMES GARNET BLOCK active in the national directory?
C JAMES GARNET BLOCK's public NPI profile is in an active state.
What field does C JAMES GARNET BLOCK work in?
You can think of C JAMES GARNET BLOCK as practicing within Psychiatry Physician. Clinical services aligned with this taxonomy classification.
Where is C JAMES GARNET BLOCK's primary listing?
We display Ann Arbor, Michigan because that is what the record indicates for C JAMES GARNET BLOCK.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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