BASIM ZUHDI ABDELKARIM (MD) – Gastroenterology Physician, NPI 1932217544
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,990 GASTROENTEROLOGY in CA
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Provider Addresses for BASIM ZUHDI ABDELKARIM (MD)
1310, San Bernardino Road, Upland, San Bernardino County, California, 91786, United States
SUITE 103
UPLAND, CA 917864979
Phone: (909) 920-0444
Fax: (909) 920-5044
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 70 Open Payments records for all available years, with a total value of $1,570.
Total Amount is formed as General ($1,570) + Research ($0) + Ownership ($0) = $1,570.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($672).
Total Amount
$1,570
General + Research + Ownership
Payments
70
Total payment records
General Amount
$1,570
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $672 |
| REVANCE THERAPEUTICS, INC. | $122 |
| Ardelyx, Inc. | $95 |
| Janssen Biotech, Inc. | $79 |
| Ferring Pharmaceuticals Inc. | $70 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-08-17
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050817000176 | I | Gastroenterology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 594 | 384 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 553 | 334 | $0 |
| 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 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 190 | 190 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 169 | 169 | $0 |
Insurance plans in this area (ZIP 91786)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | CA | |
| - | CA | |
| - | CA | |
| Family Practice | CA | |
| Family Practice | CA | |
| - | CA | |
| - | CA | |
| Internal Medicine | NY | |
| Internal Medicine | NY | |
| Nurse Practitioner | CA |
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