DR. JAMES D WALTER (MD) – Internal Medicine Physician, NPI 1912009580
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,218 INTERNAL MEDICINE in MI
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Provider Addresses for DR. JAMES D WALTER (MD)
Davison Road, Davison, Genesee County, Michigan, 48423, United States
DAVISON, MI 484232029
Phone: (810) 653-4145
Fax: (810) 653-1741
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 20 Open Payments records for all available years, with a total value of $337.
Total Amount is formed as General ($337) + Research ($0) + Ownership ($0) = $337.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Astellas Pharma US Inc ($125).
Total Amount
$337
General + Research + Ownership
Payments
20
Total payment records
General Amount
$337
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Astellas Pharma US Inc | $125 |
| Dexcom, Inc. | $34 |
| Paratek Pharmaceuticals, Inc. | $33 |
| ABBVIE INC. | $27 |
| Indivior Inc. | $22 |
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: 2008-03-17
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 |
|---|---|---|---|---|
| I20080317000307 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 183 | 90 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 102 | 102 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 100 | 29 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 93 | 34 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 91 | 89 | $0 |
Insurance plans in this area (ZIP 48423)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Therapist In Private Practice | MI | |
| Physician Assistant | MI | |
| - | MI | |
| Physician Assistant | MI | |
| Nurse Practitioner | MI | |
| - | MI | |
| - | MI | |
| - | MI | |
| Internal Medicine | MI | |
| Physical Therapist In Private Practice | MI |
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