DOCTORS FIRST, LLC
NPI 1912160458
Internal Medicine in Germantown, MD
About Doctors First, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOCTORS FIRST, LLC (NPI 1912160458), doing business as First Medical Associates, is a healthcare organization registered as an internal medicine in Germantown, Maryland and active in the NPI registry since July 2008. The organization lists Jakelyne Callejas, Office Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Doctors First, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
29Medicare enrollment records show 29 clinicians reassign Medicare billing to Doctors First, LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 7 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 3
Nearest to this location (20)
See all 29Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Doctors First, LLC's NPI number?
The NPI number for Doctors First, LLC is 1912160458. It was assigned to this organization in the NPPES registry on July 4, 2008. The provider is doing business as First Medical Associates.
Where is Doctors First, LLC located?
Doctors First, LLC is located at 12800 Middlebrook Rd Ste 400, Germantown, MD 20874. The listed phone number is (240) 215-3301.
What is Doctors First, LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Doctors First, LLC enrolled in Medicare?
Yes. Doctors First, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Doctors First, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 29 clinicians in 3 Medicare specialties reassign their Medicare billing to Doctors First, LLC. A 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 the clinician's services. The largest specialties are Internal Medicine (15), Family Practice (8) and Nurse Practitioner (6). Of these, 3 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Doctors First, LLC was last updated on April 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Doctors First, Llc · NPI 1912160458
Internal Medicine organization in Germantown, Maryland. Organization record, active in the CMS NPPES registry since July 4, 2008.
## Identity
- **NPI:** 1912160458 (Entity type: Organization)
- **Enumerated:** July 4, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Also known as:** First Medical Associates (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Jakelyne Callejas, OFFICE MANAGER
## Practice location
- **Address:** 12800 MIDDLEBROOK RD STE 400, Germantown, MD 20874-5282
- **Phone:** (240) 215-3301
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 29 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (15), Family Practice (8), Nurse Practitioner (6); 3 practice at this address and 7 within 10 miles; [full list](https://npiprofile.com/npi/1912160458/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1912160458) · Data from the CMS NPPES public registry.