DR. GARY D GRAY (MD) – Internal Medicine Physician, NPI 1497729826
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,186 INTERNAL MEDICINE in MO
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Provider Addresses for DR. GARY D GRAY (MD)
St. Luke's Urgent Care, 5551, Winghaven Boulevard, O’Fallon, Saint Charles County, Missouri, 63368, United States
STE 290
O FALLON, MO 633683617
Phone: (636) 695-2575
Fax: (314) 590-5938
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 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: 2024-11-12 • Largest payer in this snapshot: PFIZER INC. ($22).
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
2024-11-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $22 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $16 |
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: 2007-05-24
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 |
|---|---|---|---|---|
| I20070524000580 | I | Internal Medicine | MO | 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 |
|---|---|---|---|---|
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 233 | 233 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 187 | 132 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 125 | 99 | $0 |
| G0008 | Administration of influenza virus vaccine | 57 | 57 | $0 |
| 90662 | Influenza vaccine split virus, preservative free | 55 | 55 | $0 |
Insurance plans in this area (ZIP 63368)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | MO | |
| Internal Medicine, Sleep Medicine | MO | |
| Internal Medicine, Allergy/Immunology | MO | |
| Internal Medicine | MO | |
| Geriatric Medicine | MO | |
| Internal Medicine | MO | |
| Osteopathic Manipulative Medicine | MO | |
| Orthopedic Surgery | MO | |
| Internal Medicine, Pediatric Medicine | MO | |
| - | MO |
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