Doctor profile · Federal record
Dr. Gary Roark, M.D.
Specialist (CMS: Gastroenterology) · Abilene, TX
- NPI 1003896531
- Accepts Medicare
- MIPS 78.4 / 100 · 2023
- 46 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1249 Ambler Ave, Suite 200
Abilene, TX 796012351
(325) 677-2626
fax (325) 677-6835
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- March 24, 2015
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- Texas #E4638
- Medicaid
- TX #129978601
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003896531. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
892
Distinct HCPCS
10
Medicare allowed
$119,601
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 142 | 141 | $112 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 140 | 140 | $240 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 135 | 102 | $85 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 100 | 100 | $107 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 97 | 81 | $123 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 88 | 88 | $170 | |
43450 |
Dilation of esophagus | 83 | 83 | $38 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 52 | 52 | $174 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 29 | 29 | $154 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 26 | 26 | $166 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 89. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$1,129
Transactions
65
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 23 | $352.05 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 8 | $169.05 | |
| Regeneron Healthcare Solutions, Inc. | 8 | $161.12 | |
| PFIZER INC. | 9 | $156.16 | |
| Phathom Pharmaceuticals, Inc. | 3 | $62.23 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 4 | $59.73 | |
| Ipsen Biopharmaceuticals, Inc | 3 | $46.13 | |
| Ardelyx, Inc. | 2 | $38.79 | |
| Merck Sharp & Dohme LLC | 2 | $36.63 | |
| Celltrion USA Inc. | 1 | $16.49 | |
| Janssen Biotech, Inc. | 1 | $16.45 | |
| Lilly USA, LLC | 1 | $14.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,151
Patients
575
Total drug cost
$59,804
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 458 | 141 | $6,203 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 245 | 240 | $6,587 |
| Omeprazole | Generic | 118 | 36 | $1,708 |
| Dicyclomine Hcl | Generic | 68 | 19 | $1,253 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 45 | 45 | $3,612 |
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 36 | 36 | $681 |
| Mesalamine | Generic | 26 | 0 | $8,631 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 25 | 24 | $474 |
| Esomeprazole Magnesium | Generic | 23 | 0 | $416 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 20 | 19 | $3,322 |
Hospital affiliations
Frequently asked questions
What is Dr. Gary Roark's medical specialty?
Dr. Gary Roark practices Specialist in Abilene, TX.
Where does Dr. Gary Roark practice?
Dr. Gary Roark practices at 1249 Ambler Ave, Abilene, TX 796012351. Office phone: 3256772626.
What is Dr. Gary Roark's NPI?
Dr. Gary Roark's National Provider Identifier (NPI) is 1003896531, issued by NPPES.
Does Dr. Gary Roark accept Medicare assignment?
Yes. Dr. Gary Roark accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Roark commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.