DONALD DAVID NIMMER (M.D.) – Family Medicine Physician, NPI 1477555951
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,050 FAMILY PRACTICE in WI
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Provider Addresses for DONALD DAVID NIMMER (M.D.)
4600, West Loomis Road, Greenfield, Milwaukee County, Wisconsin, 53220, United States
SUITE 130
GREENFIELD, WI 532204858
Phone: (414) 389-4900
Fax: (414) 465-4606
Type: Location
4935 S 76TH ST STE 101
GREENFIELD, WI 532204305
Phone: (414) 777-3100
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $38.
Total Amount is formed as General ($38) + Research ($0) + Ownership ($0) = $38.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: Exact Sciences Corporation ($25).
Total Amount
$38
General + Research + Ownership
Payments
2
Total payment records
General Amount
$38
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Exact Sciences Corporation | $25 |
| Hologic Sales and Service, LLC | $13 |
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: 2008-09-18
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 |
|---|---|---|---|---|
| I20080918000676 | I | Family Practice | WI | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 362 | 170 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 144 | 144 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 128 | 69 | $0 |
| G0008 | Administration of influenza virus vaccine | 46 | 46 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 44 | 44 | $0 |
Insurance plans in this area (ZIP 53220)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| Mental Health Counselor | WI | |
| - | WI | |
| Internal Medicine | WI | |
| Hospitalist, Internal Medicine | WI | |
| U R O L O G Y | GA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI | |
| - | OH | |
| - | WI | |
| - | WI |
Reviews
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