Doctor profile · Federal record
Dr. Robert Holbrook, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Norman, OK
- NPI 1053352054
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 26 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1515 N Porter Ave, Suite 200
Norman, OK 730716649
(405) 366-8619
fax (405) 366-1839
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- June 13, 2011
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Oklahoma #22135
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1053352054. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
997
Distinct HCPCS
10
Medicare allowed
$113,210
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 243 | 206 | $84 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 113 | 110 | $99 | |
43450 |
Dilation of esophagus | 103 | 99 | $37 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 98 | 98 | $177 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 91 | 83 | $87 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 82 | 82 | $167 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 74 | 74 | $236 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 54 | 54 | $103 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 34 | 22 | $75 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 29 | 29 | $171 |
In context: peer comparison
Among 2 peers in Norman Gastroenterology Physician, average services per provider: 64. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$1,951
Transactions
121
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 39 | $627.80 | |
| Celgene Corporation | 18 | $239.99 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 16 | $213.00 | |
| Janssen Biotech, INC. | 12 | $176.52 | |
| Gilead Sciences, INC. | 9 | $131.38 | |
| Qol Medical, LLC | 4 | $89.84 | |
| Takeda Pharmaceuticals U.S.A., INC. | 4 | $84.92 | |
| Aimmune Therapeutics, INC. | 4 | $66.82 | |
| Genzyme Corporation | 4 | $61.66 | |
| Madrigal Pharmaceuticals | 2 | $48.57 | |
| Pfizer INC. | 2 | $45.27 | |
| Regeneron Healthcare Solutions, INC. | 2 | $41.09 | |
| Ferring Pharmaceuticals INC. | 2 | $40.53 | |
| Ardelyx, INC. | 2 | $34.46 | |
| Olympus America INC. | 1 | $18.91 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
823
Patients
451
Total drug cost
$31,378
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 302 | 121 | $5,969 |
| Omeprazole | Generic | 88 | 41 | $2,988 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 87 | 86 | $1,499 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 84 | 81 | $6,628 |
| Famotidine | Generic | 42 | 17 | $776 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 37 | 37 | $922 |
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 28 | 28 | $455 |
| Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 28 | 26 | $507 |
| Dicyclomine Hcl | Generic | 22 | 0 | $626 |
| Budesonide Dr (Budesonide) | Brand | 21 | 0 | $2,457 |
Hospital affiliations
Frequently asked questions
What is Dr. Robert Holbrook's medical specialty?
Dr. Robert Holbrook practices Gastroenterology Physician in Norman, OK.
Where does Dr. Robert Holbrook practice?
Dr. Robert Holbrook practices at 1515 N Porter Ave, Norman, OK 730716649. Office phone: 4053668619.
What is Dr. Robert Holbrook's NPI?
Dr. Robert Holbrook's National Provider Identifier (NPI) is 1053352054, issued by NPPES.
Does Dr. Robert Holbrook accept Medicare assignment?
Yes. Dr. Robert Holbrook accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Holbrook commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Dilation of esophagus (HCPCS 43450). Source: CMS Medicare Physician & Other Practitioners file.