Individual provider Active NPI

Chima Erasmus Onyegbule, MBBS

  • Internal Medicine Physician
  • Largo, MD
National Provider Identifier
1407596364
Registry record updated Jan 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
D0101876 Issued in MD
Practice address
901 Harry S Truman Dr N
Largo, MD 20774-5477
Phone
(240) 677-1000
NPI assigned
Mar 30, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 8, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X D0101876 MD Primary

Addresses

Primary practice location

901 Harry S Truman Dr N
Largo, MD 20774-5477

Mailing address

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

Other practice location 1

15459 Annapolis Rd
Bowie, MD 20715-1847
Phone (240) 544-0607

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address MDExchange@patientfirst.com Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20260116003145 MD Practitioner - Internal Medicine 6406333731 Reassigns benefits to 1 organization
I20260120000577 DC Practitioner - Internal Medicine 6406333731 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Patient First Maryland Medical Group PLLCGroup PAC ID 4385538735, shared by 26 NPIs, 258 clinicians

Practice addresses (Care Compare)

10755 Falls Rd
Suite 160
Lutherville, MD 21093-4588
Phone (410) 583-2777

15459 Annapolis Rd
Bowie, MD 20715-1847
Phone (240) 544-0676

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D0101876MDMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Patient First Maryland Medical Group PLLC CurrentSince Dec 9, 2025 Accepting new patients
Patient First Maryland Medical Group, PLLC CurrentSince Dec 9, 2025 Accepting new patients
Patient First Maryland Medical Group PLLC CurrentSince Dec 9, 2025 Accepting new patients

Locations

15459 Annapolis Rd
Bowie, MD 20715
Phone (240) 544-0607

10210 Reisterstown Rd
Owings Mills, MD 21117
Phone (410) 902-6776

726 Rockville Pike
Rockville, MD 20852
Phone (240) 238-0411

10755 Falls Rd
Ste 160
Timonium, MD 21093
Phone (410) 583-2777

2855 Crain Hwy
Waldorf, MD 20601
Phone (240) 427-1926

Organizations & group practices 3

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

NPI Registry JSON

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

{
    "created_epoch": "1648598400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767830400000",
    "number": "1407596364",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "901 HARRY S TRUMAN DR N",
            "city": "LARGO",
            "state": "MD",
            "postal_code": "207745477",
            "telephone_number": "240-677-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "901 HARRY S TRUMAN DR N",
            "city": "LARGO",
            "state": "MD",
            "postal_code": "207745477",
            "telephone_number": "240-677-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "15459 Annapolis Rd",
            "address_purpose": "LOCATION",
            "city": "Bowie",
            "state": "MD",
            "postal_code": "207151847",
            "country_code": "US",
            "telephone_number": "240-544-0607",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ONYEGBULE",
        "first_name": "CHIMA",
        "middle_name": "ERASMUS",
        "credential": "MBBS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-30",
        "last_updated": "2026-01-08",
        "certification_date": "2026-01-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0101876",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "MDExchange@patientfirst.com",
            "affiliation": "N",
            "endpointDescription": "email",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "15459 Annapolis Rd",
            "city": "Bowie",
            "state": "MD",
            "country_code": "US",
            "postal_code": "207151847",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Largo, MD

Sources for this page

Verify at the official NPI Registry.