Doctor profile · Federal record
Dr. Basim Abdelkarim, MD
Gastroenterology Physician (CMS: Gastroenterology) · Specialist · Upland, CA
- NPI 1932217544
- Accepts Medicare
- MIPS 19.4 / 100 · 2023
- 27 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1310 San Bernardino RD, Suite 103
Upland, CA 917864979
(909) 920-0444
fax (909) 920-5044
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- April 21, 2016
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A74259
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932217544. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,580
Distinct HCPCS
10
Medicare allowed
$316,875
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 594 | 384 | $93 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 553 | 334 | $132 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 249 | 238 | $5 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 190 | 190 | $171 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 169 | 169 | $116 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 152 | 149 | $151 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 137 | 131 | $115 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 96 | 93 | $177 | |
46221 |
Removal of external hemorrhoids by rubber banding | 63 | 25 | $301 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 59 | 55 | $185 |
In context: peer comparison
Among 2 peers in Upland Gastroenterology Physician, average services per provider: 115. This provider delivers 22× the peer median.Open Payments
Industry payments received
All-time total
$1,112
Transactions
43
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 24 | $535.62 | |
| Revance Therapeutics, INC. | 1 | $122.36 | |
| Ferring Pharmaceuticals INC. | 3 | $70.03 | |
| Ardelyx, INC. | 2 | $60.23 | |
| RedHill Biopharma INC. | 2 | $57.39 | |
| Janssen Biotech, INC. | 2 | $51.81 | |
| Phathom Pharmaceuticals, INC. | 2 | $50.74 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $49.53 | |
| Genzyme Corporation | 2 | $48.98 | |
| Gilead Sciences, INC. | 1 | $23.97 | |
| Pfizer INC. | 1 | $22.42 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $19.31 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
378
Patients
139
Total drug cost
$51,124
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 85 | 36 | $1,353 |
| Famotidine | Generic | 82 | 34 | $1,813 |
| Pantoprazole Sodium | Generic | 48 | 19 | $1,262 |
| Linzess (Linaclotide) | Brand | 31 | 0 | $23,244 |
| Dicyclomine Hcl | Generic | 29 | 11 | $908 |
| Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) | Brand | 28 | 28 | $4,123 |
| Mesalamine | Generic | 15 | 0 | $16,430 |
| Ondansetron Hcl | Generic | 15 | 0 | $100 |
| Lansoprazole | Generic | 12 | 0 | $1,245 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 11 | 0 | $316 |
Hospital affiliations
Frequently asked questions
What is Dr. Basim Abdelkarim's medical specialty?
Dr. Basim Abdelkarim practices Gastroenterology Physician in Upland, CA.
Where does Dr. Basim Abdelkarim practice?
Dr. Basim Abdelkarim practices at 1310 San Bernardino RD, Upland, CA 917864979. Office phone: 9099200444.
What is Dr. Basim Abdelkarim's NPI?
Dr. Basim Abdelkarim's National Provider Identifier (NPI) is 1932217544, issued by NPPES.
Does Dr. Basim Abdelkarim accept Medicare assignment?
Yes. Dr. Basim Abdelkarim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Basim Abdelkarim commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500). Source: CMS Medicare Physician & Other Practitioners file.