MICHAEL ROBERT ST LOUIS (P.A.) – Physician Assistant, NPI 1437250305
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,069 PHYSICIAN ASSISTANT in MI
Provider Addresses for MICHAEL ROBERT ST LOUIS (P.A.)
300 SOUTH WARWICK DRIVE
ALMA, MI 48801
Phone: (989) 463-1101
Type: Location
300 South Warwick Drive
Alma, MI 48801
Phone: (989) 463-1101
Type: Location
PO Box 635004
Cincinnati, OH 452632047
Phone: (260) 435-7001
Type: Location
PO Box 6354004
Cincinnati, OH 452632047
Phone: (888) 952-6772
Type: Location
5507, Vandemere Drive, Midland, Midland County, Michigan, 48642, United States
MIDLAND, MI 486427282
Phone: (989) 832-9124
Type: Mailing
6497 CENTERVILLE RD STE 300-301
WILLIAMSBURG, VA 231882047
Phone: (757) 702-8107
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2025-09-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 9 Medicare enrollment records; no due dates published yet.
Enrollment records
9
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 |
|---|---|---|---|---|
| I20040311000195 | I | Physician Assistant | MI | TBD |
| I20190109000829 | I | Physician Assistant | NY | TBD |
| I20190207002601 | I | Physician Assistant | ME | TBD |
| I20190506001567 | I | Physician Assistant | WI | TBD |
| I20191021002001 | I | Physician Assistant | NH | TBD |
| I20200212002415 | I | Physician Assistant | IN | TBD |
| I20210108001906 | I | Physician Assistant | OH | TBD |
| I20210512000086 | I | Physician Assistant | NJ | TBD |
| I20250906000480 | I | Physician Assistant | VA | 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 |
|---|---|---|---|---|
| 99284 | Emergency department visit with moderate level of medical decision making | 79 | 77 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 63 | 62 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 33 | 32 | $0 |
Insurance plans in this area (ZIP 48801)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | VA | |
| Nurse Practitioner | VA | |
| - | FL | |
| - | MD | |
| Physician Assistant | VA | |
| - | VA | |
| Family Practice, Preventive Medicine | VA | |
| Physician Assistant | VA | |
| - | TX | |
| Nurse Practitioner | VA |
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