Doctor profile · Federal record
Dr. Christian Clark, MD
Gastroenterology Physician (CMS: Gastroenterology) · Tulsa, OK
- NPI 1649223710
- Accepts Medicare
- 23 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
- May 2006 — 20 yrs on file
- Profile last updated
- March 29, 2016
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Oklahoma #27511
- Medicaid
- OK #200292330A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649223710. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,345
Distinct HCPCS
10
Medicare allowed
$159,573
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 264 | 255 | $50 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 211 | 211 | $235 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 184 | 161 | $119 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 160 | 160 | $85 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 82 | 79 | $92 | |
43251 |
Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare | 82 | 80 | $157 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 60 | 57 | $82 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 49 | 49 | $104 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 45 | 45 | $155 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 42 | 42 | $165 |
In context: peer comparison
Among 13 peers in Tulsa Gastroenterology Physician, average services per provider: 115. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$644
Transactions
38
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 11 | $159.35 | |
| Pfizer INC. | 11 | $145.92 | |
| Lilly USA, LLC | 2 | $59.68 | |
| Janssen Biotech, INC. | 2 | $36.88 | |
| Celgene Corporation | 2 | $29.25 | |
| Gilead Sciences, INC. | 1 | $27.13 | |
| Regeneron Healthcare Solutions, INC. | 1 | $26.57 | |
| Ipsen Biopharmaceuticals, INC | 1 | $21.78 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $21.28 | |
| Merck Sharp & Dohme LLC | 1 | $21.20 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $19.65 | |
| Madrigal Pharmaceuticals | 1 | $16.77 | |
| Ironwood Pharmaceuticals, INC | 1 | $16.50 | |
| Daiichi Sankyo INC. | 1 | $16.14 | |
| Intercept Pharmaceuticals, INC. | 1 | $15.30 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
428
Patients
293
Total drug cost
$48,864
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) | Brand | 92 | 90 | $12,803 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 81 | 79 | $1,463 |
| Pantoprazole Sodium | Generic | 50 | 27 | $943 |
| Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 38 | 37 | $715 |
| Omeprazole | Generic | 33 | 11 | $708 |
| Mesalamine | Generic | 26 | 0 | $9,242 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 22 | 22 | $3,820 |
| Colesevelam Hcl | Generic | 18 | 0 | $723 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 16 | 16 | $2,722 |
| Famotidine | Generic | 15 | 0 | $348 |
Hospital affiliations
Frequently asked questions
What is Dr. Christian Clark's medical specialty?
Dr. Christian Clark practices Gastroenterology Physician in Tulsa, OK.
Where does Dr. Christian Clark practice?
Dr. Christian Clark practices at 6465 S Yale Ave, Tulsa, OK 741367823. Office phone: 9184814700.
What is Dr. Christian Clark's NPI?
Dr. Christian Clark's National Provider Identifier (NPI) is 1649223710, issued by NPPES.
Does Dr. Christian Clark accept Medicare assignment?
Yes. Dr. Christian Clark accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christian Clark 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 99214). Source: CMS Medicare Physician & Other Practitioners file.