Individual provider Active NPI

Theophilus Abah, MD

  • Anesthesiology Physician
  • Washington, DC
National Provider Identifier
1245810696
Registry record updated Jul 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
D0102311 Issued in MD
Practice address
2150 Pennsylvania Ave NW
Washington, DC 20037-3201
Phone
(202) 741-3000
NPI assigned
Apr 9, 2021
Last updated
Jul 22, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 22, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Anesthesiology Physician 207L00000X MD21110 RI
Anesthesiology Physician 207L00000X D0102311 MD Primary

Addresses

Primary practice location

2150 Pennsylvania Ave NW
Washington, DC 20037-3201

Mailing address

2150 Pennsylvania Ave NW
Washington, DC 20037-3201
Phone (202) 741-3000

Other practice location 1

115 Cass Ave
Woonsocket, RI 02895-4705
Phone (850) 985-9180

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC, MA3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20250811001931 MD Practitioner - Anesthesiology 4981102720 Reassigns benefits to 1 organization
I20250811002226 DC Practitioner - Anesthesiology 4981102720 Reassigns benefits to 1 organization
I20260501001559 MA Practitioner - Anesthesiology 4981102720 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
George Washington University School of Medicine, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
First Colonies Anesthesia Associates, LLCGroup PAC ID 8426039744, 339 clinicians

Practice addresses (Care Compare)

10 Denniston PL
Womens Health
Northampton, MA 01060-2052
Phone (413) 586-9866

11210 Old Georgetown Rd
Rockville, MD 20852-3202
Phone (301) 881-7770

30 Locust St
Northampton, MA 01060-2052
Phone (413) 582-2441

901 Harry S Truman Dr N
Largo, MD 20774-5477
Phone (240) 677-1000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
First Colonies Anesthesia Associates, LLC Single Specialty CurrentSince Jul 9, 2025 Accepting new patients

Locations

10400 Little Patuxent Pkwy
Ste 240
Columbia, MD 21044
Phone (321) 422-7110

11210 Old Georgetown Rd
Rockville, MD 20852
Phone (301) 881-7770

8322 Bellona Ave
Ste 201
Towson, MD 21204
Phone (410) 337-2688

12222 Merit Dr
Ste 600
Dallas, TX 75251
Phone (972) 776-3185

Interoperability endpoints

  • Direct secure messaging: tabah1274628@direct.umm.edu

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1617926400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784678400000",
    "number": "1245810696",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2150 PENNSYLVANIA AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200373201",
            "telephone_number": "202-741-3000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2150 PENNSYLVANIA AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200373201",
            "telephone_number": "202-741-3000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "115 Cass Ave",
            "address_purpose": "LOCATION",
            "city": "Woonsocket",
            "state": "RI",
            "postal_code": "028954705",
            "country_code": "US",
            "telephone_number": "850-985-9180",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ABAH",
        "first_name": "THEOPHILUS",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-04-09",
        "last_updated": "2026-07-22",
        "certification_date": "2026-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "RI",
            "license": "MD21110",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MD",
            "license": "D0102311",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.