DR. THEOPHILUS ABAH MD
NPI 1245810696
Anesthesiology in Washington, DC
About Dr. Theophilus Abah Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THEOPHILUS ABAH MD (NPI 1245810696) is an individual anesthesiology provider in Washington, District Of Columbia, licensed in Maryland (D0102311) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with University Of Md Capital Region Medical Center, and maintains a secondary practice location in Woonsocket.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Theophilus Abah Md 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
3Medicare enrollment records show Theophilus Abah reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, MD 21046
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 717 clinicians in this Medicare group
Northampton, MA 01060
- Reassigned Medicare billing, Massachusetts enrollment
- 539 clinicians in this Medicare group
Van Wert, OH 45891
- Reassigned Medicare billing, Rhode Island enrollment
- 21 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of MD Capital Region Medical Center
Acute Care Hospitals · Upper Marlboro, MDCooley Dickinson Hospital Inc,the
Acute Care Hospitals · Northampton, MAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
WASHINGTON, DC 20037
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 Theophilus Abah's NPI number?
The NPI number for Theophilus Abah is 1245810696. It was assigned to this individual provider in the NPPES registry on April 9, 2021.
Where is Theophilus Abah located?
Theophilus Abah practices at 2150 Pennsylvania Ave NW, Washington, DC 20037. The listed phone number is (202) 741-3000.
What is Theophilus Abah's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Theophilus Abah enrolled in Medicare?
Yes. Theophilus Abah 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 Theophilus Abah's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theophilus Abah reassigns Medicare benefits to 3 organizations: First Colonies Anesthesia Associates, LLC (Columbia, MD), Mass General Brigham Medical Group Western Massachusetts Inc (Northampton, MA) and Clinical Colleagues LLC (Van Wert, OH). 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 Theophilus Abah's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Theophilus Abah affiliated with any hospitals?
According to CMS data, Theophilus Abah is affiliated with University Of MD Capital Region Medical Center and Cooley Dickinson Hospital Inc,the.
When was this NPI record last updated?
The NPPES record for Theophilus Abah was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Theophilus Abah, MD · NPI 1245810696
Anesthesiology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since April 9, 2021.
## Identity
- **NPI:** 1245810696 (Entity type: Individual)
- **Enumerated:** April 9, 2021
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** D0102311 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2150 PENNSYLVANIA AVE NW, Washington, DC 20037-3201
- **Phone:** (202) 741-3000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): First Colonies Anesthesia Associates, LLC (NPI 1740218767, Columbia, MD); Mass General Brigham Medical Group Western Massachusetts Inc (NPI 1295787919, Northampton, MA); Clinical Colleagues LLC (NPI 1992725766, Van Wert, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2025
## Record status
- **NPPES last updated:** July 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1245810696) · Data from the CMS NPPES public registry.