NPIMap

Organization Active NPI

Doctors First, LLC

Doing business as First Medical Associates

  • Internal Medicine Physician
  • Germantown, MD
National Provider Identifier
1912160458
Registry record updated Apr 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
DOCTORS FIRST, LLC
Doing business as
First Medical Associates
Practice address
12800 Middlebrook Rd Ste 400
Germantown, MD 20874-5282
Phone
(240) 215-3301
NPI assigned
Jul 4, 2008
Last updated
Apr 14, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Apr 14, 2026

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

Authorized official

Name
Jakelyne Callejas
Title
Office Manager
Phone
(301) 515-2901

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X NU Primary

Addresses

Primary practice location

12800 Middlebrook Rd Ste 400
Germantown, MD 20874-5282

Mailing address

20501 Seneca Meadows Pkwy Ste 200
Germantown, MD 20876-7018
Phone (240) 701-3013

Other names 1

  • First Medical Associates Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20081002000261 DC Part B Supplier - Clinic/Group Practice 3870661978 Receives reassigned benefits from 47 practitioners
Practice locations: Bowie, MD; Gaithersburg, MD; Germantown, MD; Greenbelt, MD; Laurel, MD; Rockville, MD; Silver Spring, MD

Other NPIs with the same Medicare PAC ID 1

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
21D2002437Doctors First LLC12800 Middlebrook Rd Suite 400, Germantown, MD 20874Certificate of waiverAug 27, 2026

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 66

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 66

NPI Registry JSON

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

{
    "created_epoch": "1215129600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776124800000",
    "number": "1912160458",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20501 SENECA MEADOWS PKWY STE 200",
            "city": "GERMANTOWN",
            "state": "MD",
            "postal_code": "208767018",
            "telephone_number": "240-701-3013"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12800 MIDDLEBROOK RD STE 400",
            "city": "GERMANTOWN",
            "state": "MD",
            "postal_code": "208745282",
            "telephone_number": "240-215-3301"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DOCTORS FIRST, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2008-07-04",
        "last_updated": "2026-04-14",
        "certification_date": "2026-04-14",
        "status": "A",
        "authorized_official_last_name": "CALLEJAS",
        "authorized_official_first_name": "JAKELYNE",
        "authorized_official_title_or_position": "OFFICE MANAGER",
        "authorized_official_telephone_number": "301-515-2901"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "First Medical Associates",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Germantown, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.