NPIMap

Organization Active NPI

Doctors First Professional Corporation

  • Primary Care Clinic/Center
  • Gaithersburg, MD
National Provider Identifier
1699190850
Registry record updated Jul 7, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Primary Care Clinic/CenterTaxonomy code 261QP2300X
License
C0005312 Issued in MD
Legal business name
DOCTORS FIRST PROFESSIONAL CORPORATION
Practice address
806 W Diamond Ave
Suite 110
Gaithersburg, MD 20878-1415
Phone
(301) 515-2901
NPI assigned
Feb 25, 2014
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 7, 2025

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

Authorized official

Name
Jaky Callejas
Title
Practice Manager
Phone
(240) 454-4682

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Primary Care Clinic/Center 261QP2300X C0005312 MD Primary

Addresses

Primary practice location

806 W Diamond Ave
Suite 110
Gaithersburg, MD 20878-1415

Mailing address

806 W Diamond Ave
Suite 110
Gaithersburg, MD 20878-1415

Other names 1

  • First Medical Associates Doing business as

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
21D2061446Doctors First, LLC806 W Diamond Ave, Suite 110, Gaithersburg, MD 20878Certificate of waiverJun 27, 2027

National Provider Directory

National Provider Directory
Tax ID family
First Medical Associates LLC17 organizations share this tax ID, including this one

Other organizations with this tax ID 16

Organizations that report the same tax identification number in the National Provider Directory.

View all 16

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/4332/brand/1/csg/1/fhir/r4

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1393286400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1751846400000",
    "number": "1699190850",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "806 W DIAMOND AVE",
            "address_2": "SUITE 110",
            "city": "GAITHERSBURG",
            "state": "MD",
            "postal_code": "208781415"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "806 W DIAMOND AVE",
            "address_2": "SUITE 110",
            "city": "GAITHERSBURG",
            "state": "MD",
            "postal_code": "208781415",
            "telephone_number": "301-515-2901"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DOCTORS FIRST PROFESSIONAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2014-02-25",
        "last_updated": "2025-07-07",
        "certification_date": "2025-07-07",
        "status": "A",
        "authorized_official_last_name": "CALLEJAS",
        "authorized_official_first_name": "JAKY",
        "authorized_official_title_or_position": "PRACTICE MANAGER",
        "authorized_official_telephone_number": "240-454-4682"
    },
    "taxonomies": [
        {
            "code": "261QP2300X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Primary Care",
            "state": "MD",
            "license": "C0005312",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "First Medical Associates",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Gaithersburg, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • 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.