MICHAEL A. GERSTMANN (M.D.) – Family Medicine Physician, NPI 1073510947
Family Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
2,515 FAMILY PRACTICE in NJ
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Provider Addresses for MICHAEL A. GERSTMANN (M.D.)
South Orange Avenue, University Heights, Newark, Essex County, New Jersey, 07103, United States
BHSB B-1455
NEWARK, NJ 071032757
Phone: (973) 972-6479
Fax: (973) 972-8626
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)
CMS reports 1 Open Payments records for all available years, with a total value of $19.
Total Amount is formed as General ($19) + Research ($0) + Ownership ($0) = $19.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($19).
Total Amount
$19
General + Research + Ownership
Payments
1
Total payment records
General Amount
$19
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $19 |
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: 2005-03-29
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 |
|---|---|---|---|---|
| I20050329000812 | I | Family Practice | NJ | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 07103)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NJ | |
| - | NJ | |
| Nephrology, Internal Medicine | NJ | |
| Interventional Radiology, Diagnostic Radiology | NJ | |
| General Surgery | NJ | |
| Vascular Surgery, General Surgery | NJ | |
| P A T H O L O G Y | NY | |
| Internal Medicine | NJ | |
| - | NJ | |
| O T O L A R Y N G O L O G Y | NJ |
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