GREGORY M NORRIS (MD) – Neurology Physician, NPI 1821203274
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
965 NEUROLOGY in MI
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Provider Addresses for GREGORY M NORRIS (MD)
McLaren Flint, 401, South Ballenger Highway, Flint, Genesee County, Michigan, 48532, United States
FLINT, MI 485323638
Phone: (810) 342-5700
Fax: (810) 342-5545
Type: Mailing
Detroit Receiving Hospital and University Health Center, 4201, Saint Antoine Street, Medical Center, Midtown, Detroit, Wayne County, Michigan, 48201, United States
SUITE 8A
DETROIT, MI 482012153
Phone: (313) 745-4275
Fax: (313) 745-4468
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: 2007-09-21
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 |
|---|---|---|---|---|
| I20070921000717 | I | Neurology | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 245 | 130 | $0 |
| 99291 | Critical care, first 30-74 minutes | 148 | 65 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 98 | 95 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 38 | 31 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 19 | 17 | $0 |
Insurance plans in this area (ZIP 48532)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MI | |
| Emergency Medicine | MI | |
| Emergency Medicine | MI | |
| Family Practice | MI | |
| Emergency Medicine | IL | |
| - | GA | |
| Emergency Medicine | MI | |
| Emergency Medicine | MI | |
| Physician Assistant | MI | |
| - | MI |
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