Doctor profile · Federal record
Dr. John Abdulian, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Fresno, CA
- NPI 1437114113
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
7095 N Chestnut Ave Ste 101
Fresno, CA 937200360
(559) 323-8200
fax (559) 323-9200
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- September 27, 2018
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Texas #M2891
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437114113. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,099
Distinct HCPCS
10
Medicare allowed
$149,308
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 289 | 219 | $132 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 167 | 160 | $99 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 130 | 129 | $106 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 115 | 115 | $225 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 94 | 94 | $115 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 52 | 47 | $183 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 49 | 49 | $76 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 41 | 41 | $111 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 32 | 32 | $94 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 28 | 28 | $185 |
In context: peer comparison
Among 17 peers in Fresno Gastroenterology Physician, average services per provider: 71. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$3,057
Transactions
146
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 53 | $952.38 | |
| Boston Scientific Corporation | 11 | $481.69 | |
| Janssen Biotech, INC. | 18 | $407.76 | |
| Aimmune Therapeutics, INC. | 31 | $307.83 | |
| Gilead Sciences, INC. | 1 | $150.00 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 10 | $130.74 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $122.08 | |
| Phathom Pharmaceuticals, INC. | 6 | $98.31 | |
| Ardelyx, INC. | 5 | $85.84 | |
| Pfizer INC. | 4 | $71.83 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $49.69 | |
| Regeneron Healthcare Solutions, INC. | 1 | $37.52 | |
| Lilly USA, LLC | 1 | $31.63 | |
| Organon LLC | 1 | $26.97 | |
| Fresenius Kabi USA, LLC | 1 | $26.41 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,396
Patients
462
Total drug cost
$245,165
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 583 | 212 | $11,748 |
| Famotidine | Generic | 229 | 66 | $6,537 |
| Omeprazole | Generic | 131 | 47 | $2,678 |
| Baclofen | Generic | 96 | 30 | $2,530 |
| Dicyclomine Hcl | Generic | 77 | 21 | $1,925 |
| Amitriptyline Hcl | Generic | 43 | 15 | $753 |
| Azathioprine | Generic | 39 | 11 | $6,090 |
| Ondansetron Hcl | Generic | 31 | 0 | $341 |
| Metronidazole | Generic | 30 | 21 | $315 |
| Mesalamine | Generic | 28 | 0 | $30,461 |
Frequently asked questions
What is Dr. John Abdulian's medical specialty?
Dr. John Abdulian practices Gastroenterology Physician in Fresno, CA.
Where does Dr. John Abdulian practice?
Dr. John Abdulian practices at 7095 N Chestnut Ave Ste 101, Fresno, CA 937200360. Office phone: 5593238200.
What is Dr. John Abdulian's NPI?
Dr. John Abdulian's National Provider Identifier (NPI) is 1437114113, issued by NPPES.
Does Dr. John Abdulian accept Medicare assignment?
Yes. Dr. John Abdulian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Abdulian commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.