DR. OBINNA CHARLES UKABAM M.D.
NPI 1528354545
Internal Medicine - Gastroenterology in San Antonio, TX
About Dr. Obinna Charles Ukabam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OBINNA CHARLES UKABAM M.D. (NPI 1528354545) is an individual gastroenterology provider in San Antonio, Texas, licensed in Texas (R0970) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Christus Good Shepherd Medical Center, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Obinna Charles Ukabam M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show Obinna Ukabam reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: University Of Texas Health Science Center At San Antonio
- 2,397 clinicians in this Medicare group
San Antonio, TX 78258
- Reassigned Medicare billing, Texas enrollment
- 13 clinicians in this Medicare group
Kyle, TX 78640
- Reassigned Medicare billing, Texas enrollment
- 1,188 clinicians in this Medicare group
Abilene, TX 79601
- Reassigned Medicare billing, Texas enrollment
- 420 clinicians in this Medicare group
Tyler, TX 75702
- Reassigned Medicare billing, Texas enrollment
- 2,745 clinicians in this Medicare group
Odessa, TX 79765
- Reassigned Medicare billing, Texas enrollment
- 55 clinicians in this Medicare group
Lubbock, TX 79407
- Reassigned Medicare billing, Texas enrollment
- 117 clinicians in this Medicare group
Jasper, GA 30143
- Reassigned Medicare billing, Georgia enrollment
- 317 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus Good Shepherd Medical Center
Acute Care Hospitals · Longview, TXChristus Southeast Texas- St Elizabeth
Acute Care Hospitals · Beaumont, TXUniversity Health System
Acute Care Hospitals · San Antonio, TXAscension Seton Hays
Acute Care Hospitals · Kyle, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Obinna Ukabam's NPI number?
The NPI number for Obinna Ukabam is 1528354545. It was assigned to this individual provider in the NPPES registry on June 28, 2011.
Where is Obinna Ukabam located?
Obinna Ukabam practices at 4502 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 358-4000.
What is Obinna Ukabam's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Obinna Ukabam enrolled in Medicare?
Yes. Obinna Ukabam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Obinna Ukabam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Obinna Ukabam reassigns Medicare benefits to 8 organizations: Uthscsa Dental School (San Antonio, TX), Texas Institute Of Gastroenterology Associates , PA (San Antonio, TX), Seton Family Of Doctors (Kyle, TX), Hendrick Provider Network (Abilene, TX), Christus Trinity Clinic Texas (Tyler, TX) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Obinna Ukabam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Obinna Ukabam accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 7 other insurers list Obinna Ukabam as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Obinna Ukabam affiliated with any hospitals?
According to CMS data, Obinna Ukabam is affiliated with Christus Good Shepherd Medical Center, Christus Southeast Texas- St Elizabeth, University Health System and Ascension Seton Hays.
When was this NPI record last updated?
The NPPES record for Obinna Ukabam was last updated on December 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Obinna Charles Ukabam, M.D. · NPI 1528354545
Gastroenterology physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since June 28, 2011.
## Identity
- **NPI:** 1528354545 (Entity type: Individual)
- **Enumerated:** June 28, 2011
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** R0970 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4502 MEDICAL DR, San Antonio, TX 78229-4402
- **Phone:** (210) 358-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Uthscsa Dental School (NPI 1750403887, San Antonio, TX); Texas Institute Of Gastroenterology Associates , PA (NPI 1538267067, San Antonio, TX); Seton Family Of Doctors (NPI 1730412388, Kyle, TX); Hendrick Provider Network (NPI 1396961322, Abilene, TX); Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** December 9, 2024
- **Other identifiers:** Medicaid 379300206 (TX); Other 379300202 (TX); Medicaid 379300201 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1528354545) · Data from the CMS NPPES public registry.