Doctor profile · Federal record
Dr. Ashwin Ashok, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Whittier, CA
- NPI 1134311236
- Accepts Medicare
- MIPS 67.3 / 100 · 2023
- 21 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
12291 Washington Blvd, Suite 201
Whittier, CA 906062500
(562) 698-0306
fax (562) 693-7016
Credentials & registration
- NPI registered
- August 2007 — 19 yrs on file
- Profile last updated
- August 22, 2014
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A97611
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134311236. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
580
Distinct HCPCS
10
Medicare allowed
$78,138
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 204 | 137 | $141 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 91 | 47 | $85 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 51 | 50 | $139 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 50 | 50 | $111 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 43 | 43 | $183 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 39 | 39 | $266 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 37 | 36 | $96 | |
43264 |
Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | 15 | 13 | $248 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 15 | 14 | $100 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 13 | 13 | $131 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 94. This provider delivers 6.2× the peer median.Open Payments
Industry payments received
All-time total
$1,329
Transactions
43
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 18 | $455.20 | |
| GENZYME CORPORATION | 8 | $201.32 | |
| Phathom Pharmaceuticals, Inc. | 2 | $163.50 | |
| Ipsen Biopharmaceuticals, Inc | 1 | $150.00 | |
| Ardelyx, Inc. | 4 | $119.57 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 3 | $87.00 | |
| Celltrion USA Inc. | 2 | $62.61 | |
| Janssen Biotech, Inc. | 2 | $38.03 | |
| Madrigal Pharmaceuticals | 2 | $32.34 | |
| Endogastric Solutions, Inc | 1 | $19.40 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,426
Patients
623
Total drug cost
$237,852
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 352 | 142 | $7,321 |
| Omeprazole | Generic | 337 | 153 | $6,962 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 106 | 103 | $1,849 |
| Creon (Lipase/Protease/Amylase) | Brand | 93 | 30 | $117,046 |
| Lansoprazole | Generic | 85 | 29 | $7,751 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 72 | 29 | $12,522 |
| Famotidine | Generic | 69 | 29 | $1,568 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 55 | 51 | $3,694 |
| Rabeprazole Sodium | Generic | 40 | 0 | $1,794 |
| Lactulose | Generic | 39 | 14 | $5,542 |
Hospital affiliations
Frequently asked questions
What is Dr. Ashwin Ashok's medical specialty?
Dr. Ashwin Ashok practices Gastroenterology Physician in Whittier, CA.
Where does Dr. Ashwin Ashok practice?
Dr. Ashwin Ashok practices at 12291 Washington Blvd, Whittier, CA 906062500. Office phone: 5626980306.
What is Dr. Ashwin Ashok's NPI?
Dr. Ashwin Ashok's National Provider Identifier (NPI) is 1134311236, issued by NPPES.
Does Dr. Ashwin Ashok accept Medicare assignment?
Yes. Dr. Ashwin Ashok accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashwin Ashok commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.