BRETT THOMAS ZIMMERMAN (DO) – Obstetrics & Gynecology Physician, NPI 1770576571
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,735 OBSTETRICS/GYNECOLOGY in MI
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Provider Addresses for BRETT THOMAS ZIMMERMAN (DO)
Felch Street, Zeeland Charter Township, Ottawa County, Michigan, 49464, United States
ZEELAND, MI 494642609
Phone: (616) 748-2850
Type: Location
1212 MEDICAL PLAZA CT
GRANBURY, TX 760485653
Phone: (817) 279-1776
Fax: (817) 573-2239
Type: Location
PO BOX 3630
FLAGSTAFF, AZ 860033630
Phone: (928) 522-9400
Fax: (928) 774-4808
Type: Mailing
2920 N 4TH ST
FLAGSTAFF, AZ 860041816
Phone: (928) 522-9400
Type: Location
Spectrum Health Butterworth Hospital, 100, Michigan Street Northeast, Grand Rapids, Kent County, Michigan, 49503, United States
MC845
GRAND RAPIDS, MI 495032560
Phone:
Type: Mailing
8333 Felch St Ste 202
Zeeland, MI 494642609
Phone: (616) 748-2850
Type: Location
2920 N 4th St
Flagstaff, AZ 860041816
Phone: (928) 522-9400
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $437.
Total Amount is formed as General ($437) + Research ($0) + Ownership ($0) = $437.
Last reported payment date: 2024-11-04 • Largest payer in this snapshot: Astellas Pharma US Inc ($93).
Total Amount
$437
General + Research + Ownership
Payments
16
Total payment records
General Amount
$437
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-04
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2023-07-25
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 |
|---|---|---|---|---|
| I20230725001088 | I | Obstetrics/Gynecology | TX | 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 49464)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease, Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Family Practice | TX | |
| - | TX | |
| Nurse Practitioner | TX | |
| U R O L O G Y | TX | |
| Family Practice | TX | |
| General Surgery | TX | |
| Osteopathic Manipulative Medicine | WV | |
| Nurse Practitioner | TX |
Reviews
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