Doctor profile · Federal record
Dr. Patrick Volak, M. D.
Gastroenterology Physician (CMS: Gastroenterology) · Tulsa, OK
- NPI 1174518336
- Accepts Medicare
- MIPS 82.8 / 100 · 2023
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6465 S Yale Ave, Suite 1002
Tulsa, OK 741367823
(918) 481-4700
fax (918) 481-4765 - Mailing address
-
Po Box 305
Lowell, AR 727450305
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- March 29, 2016
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Oklahoma #15783
- Medicaid
- OK #100135720A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174518336. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
6,259
Distinct HCPCS
10
Medicare allowed
$244,229
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3380 |
Injection, vedolizumab, 1 mg | 5,100 | 12 | $21 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 170 | 164 | $59 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 144 | 131 | $118 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 143 | 143 | $104 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 129 | 129 | $234 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 128 | 117 | $82 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 118 | 118 | $137 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 72 | 62 | $116 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 54 | 54 | $169 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 46 | 46 | $67 |
In context: peer comparison
Among 13 peers in Tulsa Gastroenterology Physician, average services per provider: 115. This provider delivers 54× the peer median.Open Payments
Industry payments received
All-time total
$2,163
Transactions
116
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 40 | $614.05 | |
| Pfizer INC. | 17 | $261.17 | |
| Takeda Pharmaceuticals U.S.A., INC. | 9 | $161.81 | |
| Lilly USA, LLC | 7 | $159.78 | |
| Gilead Sciences, INC. | 7 | $144.15 | |
| Celgene Corporation | 8 | $132.74 | |
| Genzyme Corporation | 6 | $99.16 | |
| Janssen Biotech, INC. | 5 | $93.08 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 4 | $82.83 | |
| Regeneron Healthcare Solutions, INC. | 3 | $58.39 | |
| Aimmune Therapeutics, INC. | 2 | $53.25 | |
| Ironwood Pharmaceuticals, INC | 3 | $41.82 | |
| Celltrion USA INC. | 1 | $38.00 | |
| Phathom Pharmaceuticals, INC. | 2 | $37.90 | |
| Madrigal Pharmaceuticals | 2 | $36.75 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
728
Patients
261
Total drug cost
$403,196
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 152 | 54 | $3,396 |
| Pantoprazole Sodium | Generic | 117 | 36 | $1,529 |
| Famotidine | Generic | 89 | 35 | $1,764 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 65 | 61 | $1,158 |
| Humira(Cf) Pen (Adalimumab) | Brand | 46 | 0 | $347,480 |
| Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) | Brand | 43 | 42 | $5,986 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 34 | 33 | $5,584 |
| Azathioprine | Generic | 33 | 0 | $647 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 29 | 0 | $1,624 |
| Rabeprazole Sodium | Generic | 26 | 0 | $701 |
Hospital affiliations
Frequently asked questions
What is Dr. Patrick Volak's medical specialty?
Dr. Patrick Volak practices Gastroenterology Physician in Tulsa, OK.
Where does Dr. Patrick Volak practice?
Dr. Patrick Volak practices at 6465 S Yale Ave, Tulsa, OK 741367823. Office phone: 9184814700.
What is Dr. Patrick Volak's NPI?
Dr. Patrick Volak's National Provider Identifier (NPI) is 1174518336, issued by NPPES.
Does Dr. Patrick Volak accept Medicare assignment?
Yes. Dr. Patrick Volak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Volak commonly perform?
Top Medicare-reported procedures in 2023: Injection, vedolizumab, 1 mg (HCPCS J3380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.