MR. JOSEPH KENNETH POSTMA (M.D.) – Internal Medicine Physician, NPI 1962790170
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,230 HOSPITALIST in MI
Provider Addresses for MR. JOSEPH KENNETH POSTMA (M.D.)
100 MICHIGAN ST NE
MC 845
GRAND RAPIDS, MI 495032560
Phone:
Type: Mailing
615 S BOWER ST
GREENVILLE, MI 488382614
Phone: (616) 754-4691
Fax: (616) 754-3828
Type: Location
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 495032560
Phone:
Type: Mailing
8333 FELCH ST
ZEELAND, MI 494642608
Phone: (616) 391-3139
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 39 Open Payments records for all available years, with a total value of $846.
Total Amount is formed as General ($846) + Research ($0) + Ownership ($0) = $846.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Novo Nordisk Inc ($188).
Total Amount
$846
General + Research + Ownership
Payments
39
Total payment records
General Amount
$846
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $188 |
| Dexcom, Inc. | $151 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $115 |
| Lilly USA, LLC | $86 |
| SANOFI-AVENTIS U.S. LLC | $65 |
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: 2013-11-07
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
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20131107001754 | I | Hospitalist | MI | TBD |
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.
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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 320 | 123 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 107 | 101 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 61 | 58 | $0 |
| 99292 | Critical care, each additional 30 minutes | 53 | 15 | $0 |
| G0316 | Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th | 52 | 19 | $0 |
Insurance plans in this area (ZIP 49503)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists) | IL | |
| Physician Assistant | MI | |
| Physician Assistant | MI | |
| Physician Assistant | MI | |
| - | MI | |
| Vascular Surgery | IL | |
| - | MI | |
| - | MI | |
| A N E S T H E S I O L O G Y | TX | |
| Clinical Social Worker | MI |
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