Doctor profile · Federal record
Dr. Kumar Desai, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Hepatology Physician · Thousand Oaks, CA
- NPI 1841495728
- Accepts Medicare
- MIPS 97.7 / 100 · 2023
- 22 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
227 W Janss RD Ste 125
Thousand Oaks, CA 913601856
(805) 449-4278
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- December 17, 2025
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A115599
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841495728. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,805
Distinct HCPCS
10
Medicare allowed
$386,029
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 865 | 641 | $98 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 326 | 326 | $122 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 319 | 319 | $265 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 268 | 259 | $95 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 206 | 99 | $83 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 128 | 122 | $182 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 114 | 114 | $124 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 108 | 98 | $140 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 98 | 41 | $126 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 81 | 81 | $190 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 119. This provider delivers 24× the peer median.Open Payments
Industry payments received
All-time total
$856
Transactions
22
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Celltrion USA Inc. | 6 | $155.23 | |
| Phathom Pharmaceuticals, Inc. | 2 | $137.89 | |
| Pacira Pharmaceuticals Incorporated | 1 | $125.00 | |
| Regeneron Healthcare Solutions, Inc. | 4 | $119.05 | |
| Endogastric Solutions, Inc | 1 | $112.06 | |
| Janssen Biotech, Inc. | 2 | $72.30 | |
| GENZYME CORPORATION | 2 | $54.87 | |
| ABBVIE INC. | 2 | $33.34 | |
| Organon Llc | 1 | $26.58 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $19.49 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
695
Patients
345
Total drug cost
$91,297
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 238 | 100 | $2,698 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 131 | 131 | $10,513 |
| Famotidine | Generic | 114 | 30 | $1,266 |
| Pantoprazole Sodium | Generic | 84 | 27 | $1,784 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 32 | 32 | $5,226 |
| Creon (Lipase/Protease/Amylase) | Brand | 20 | 0 | $22,139 |
| Balsalazide Disodium | Generic | 16 | 0 | $1,146 |
| Esomeprazole Magnesium | Generic | 13 | 0 | $480 |
| Suprep (Sodium, Potassium,mag Sulfates) | Brand | 13 | 13 | $1,404 |
| Levofloxacin | Generic | 12 | 12 | $34 |
Hospital affiliations
Frequently asked questions
What is Dr. Kumar Desai's medical specialty?
Dr. Kumar Desai practices Gastroenterology Physician in Thousand Oaks, CA.
Where does Dr. Kumar Desai practice?
Dr. Kumar Desai practices at 227 W Janss RD Ste 125, Thousand Oaks, CA 913601856. Office phone: 8054494278.
What is Dr. Kumar Desai's NPI?
Dr. Kumar Desai's National Provider Identifier (NPI) is 1841495728, issued by NPPES.
Does Dr. Kumar Desai accept Medicare assignment?
Yes. Dr. Kumar Desai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kumar Desai commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.