Doctor profile · Federal record
Dr. Gary Gray, MD
Internal Medicine Physician (CMS: Internal Medicine) · O Fallon, MO
- NPI 1497729826
- Accepts Medicare
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5551 Winghaven Blvd, Ste 290
O Fallon, MO 633683617
(636) 695-2575
fax (314) 590-5938
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- December 2, 2014
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Missouri #2001028980
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497729826. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
745
Distinct HCPCS
9
Medicare allowed
$84,509
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 233 | 233 | $127 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 187 | 132 | $126 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 125 | 99 | $89 | |
G0008 |
Administration of influenza virus vaccine | 57 | 57 | $30 | |
90662 |
Influenza vaccine split virus, preservative free | 55 | 55 | $72 | |
99495 |
Transitional care management services for problem of at least moderate complexity | 32 | 30 | $201 | |
G0009 |
Administration of pneumococcal vaccine | 25 | 25 | $30 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 19 | 19 | $282 | |
G0402 |
Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | 12 | 12 | $163 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 79. This provider delivers 9.4× the peer median.Open Payments
Industry payments received
All-time total
$38
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 1 | $22.17 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $16.31 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,922
Patients
1,411
Total drug cost
$53,544
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 558 | 154 | $6,041 |
| Levothyroxine Sodium | Generic | 447 | 113 | $7,521 |
| Amlodipine Besylate | Generic | 434 | 120 | $3,002 |
| Pantoprazole Sodium | Generic | 353 | 105 | $6,229 |
| Losartan Potassium | Generic | 347 | 91 | $5,757 |
| Rosuvastatin Calcium | Generic | 344 | 100 | $4,389 |
| Alprazolam | Generic | 343 | 67 | $1,371 |
| Lisinopril | Generic | 328 | 95 | $2,472 |
| Hydrochlorothiazide | Generic | 316 | 81 | $1,267 |
| Metformin Hcl | Generic | 276 | 84 | $2,884 |
Frequently asked questions
What is Dr. Gary Gray's medical specialty?
Dr. Gary Gray practices Internal Medicine Physician in O Fallon, MO.
Where does Dr. Gary Gray practice?
Dr. Gary Gray practices at 5551 Winghaven Blvd, O Fallon, MO 633683617. Office phone: 6366952575.
What is Dr. Gary Gray's NPI?
Dr. Gary Gray's National Provider Identifier (NPI) is 1497729826, issued by NPPES.
Does Dr. Gary Gray accept Medicare assignment?
Yes. Dr. Gary Gray accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Gray commonly perform?
Top Medicare-reported procedures in 2023: Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.