Basim Z. Abdelkarim, M.D., Inc.
NPI 1063593739 · Gastroenterology Physician · Upland, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Basim Z. Abdelkarim, M.D., Inc. is a Gastroenterology Physician organization in Upland, CA (NPI 1063593739).
Provider details
- NPI number
- 1063593739
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Basim Abdelkarim, President(909) 920-0444
- License
- A74259 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Former legal business name
- Basim Z. Abdelkarim M.D.
- Doing business as
- Ideal Gastroenterology Associates
Additional practice locations (1)
- 8659 Haven Ave Ste 100Rancho Cucamonga, CA 91730-4893Phone: (909) 920-0444
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2025-01-14
- Certified
- 2025-01-14
Frequently asked questions
- What is Basim Z. Abdelkarim, M.D., Inc.'s NPI number?
- Basim Z. Abdelkarim, M.D., Inc.'s National Provider Identifier (NPI) is 1063593739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Basim Z. Abdelkarim, M.D., Inc.?
- Basim Z. Abdelkarim, M.D., Inc. is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Basim Z. Abdelkarim, M.D., Inc. located?
- Basim Z. Abdelkarim, M.D., Inc.'s practice location on file with NPPES is 1310 San Bernardino Rd Ste 103, Upland, CA 91786-4985.
- What is Basim Z. Abdelkarim, M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Basim Z. Abdelkarim, M.D., Inc. is (909) 920-0444.
- Does Basim Z. Abdelkarim, M.D., Inc. accept Medicare?
- Basim Z. Abdelkarim, M.D., Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Basim Z. Abdelkarim, M.D., Inc.?
- The authorized official listed on Basim Z. Abdelkarim, M.D., Inc.'s NPPES record is Basim Abdelkarim, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Basim Z. Abdelkarim, M.D., Inc.'s NPI active?
- Yes — Basim Z. Abdelkarim, M.D., Inc.'s NPI (1063593739) is active in the NPPES registry as of the last update on 2025-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.