EMERGENCY MEDICINE ASSOCIATES P.A., P.C.
NPI 1699630905
Internal Medicine in Prince Frederick, MD

Active since December 18, 2025
100 HOSPITAL RD, PRINCE FREDERICK, MD 20678(410) 535-4000 Get Directions Write a Review

NPPES record last updated: December 18, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Emergency Medicine Associates P.a., P.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EMERGENCY MEDICINE ASSOCIATES P.A., P.C. (NPI 1699630905) is a healthcare organization registered as an internal medicine in Prince Frederick, Maryland and active in the NPI registry since December 2025. The organization lists Jennifer Chastain, Assistant Secretary, as its authorized official.

NPPES Registry Identity

NPI1699630905
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameEMERGENCY MEDICINE ASSOCIATES P.A., P.C.
Location Address100 HOSPITAL RDPrince Frederick, MD 20678-4017
Mailing Address4535 Dressler Rd NwCanton, OH 44718-2545 · (330) 493-4443
Organization SubpartNo
Authorized OfficialJennifer ChastainAssistant Secretary · (330) 994-4430
Enumeration DateDecember 18, 2025
NPPES CertifiedDecember 18, 2025
✔ NPI 1699630905 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
100 HOSPITAL RD, Prince Frederick, MD 20678

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Emergency Medicine Associates P.a., P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

725

Medicare enrollment records show 725 clinicians reassign Medicare billing to Emergency Medicine Associates P.A., P.C., which bills Medicare for the services they deliver. Of these, 3 practice at this address and 11 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 15

Emergency Medicine357
Internal Medicine165
Nurse Practitioner81
Hospitalist70
Family Practice16
Critical Care (Intensivists)15
Pediatric Medicine10
Pulmonary Disease4
7 other specialties7

Nearest to this location (20)

See all 725
Emergency Medicine
NPI 1841238664
100 HOSPITAL RD
Prince Frederick, MD 20678
(301) 855-1012
✔ PECOSSame address
Emergency Medicine
NPI 1881649200
100 HOSPITAL RD
Prince Frederick, MD 20678
(301) 855-1012
✔ PECOSSame address
Emergency Medicine
NPI 1093344954
100 HOSPITAL RD
Prince Frederick, MD 20678
(410) 535-4000
✔ PECOSSame address
Internal Medicine
NPI 1427117555
110 HOSPITAL RD STE 310
Prince Frederick, MD 20678
(410) 535-2005
✔ PECOS✔ Accepts Medicare0.1 mi
Emergency Medicine
NPI 1215148473
100 HOSPITAL RD. CALVERT MEMORIAL HOSPITAL
Prince Frederick, MD 20678
(410) 535-8344
✔ PECOS✔ Accepts Medicare0.1 mi
Internal Medicine
NPI 1508811902
100 HOSPITAL RD
Prince Frederick, MD 20678
(301) 855-1012
✔ PECOS✔ Accepts Medicare0.1 mi
Emergency Medicine
NPI 1972640639
100 HOSPITAL RD
Prince Frederick, MD 20678
(301) 855-1012
✔ PECOS✔ Accepts Medicare0.1 mi
Emergency Medicine
NPI 1295084713
100 HOSPITAL RD
Prince Frederick, MD 20678
(410) 535-4000
✔ PECOS0.1 mi
Pediatric Medicine
NPI 1043351901
100 HOSPITAL RD
Prince Frederick, MD 20678
(301) 855-1012
✔ PECOS0.2 mi
Nurse Practitioner
NPI 1912068164
821 PRINCE FREDERICK BLVD
Prince Frederick, MD 20678
(410) 535-8911
✔ PECOS✔ Accepts Medicare0.3 mi
Nurse Practitioner
NPI 1942605936
15485 PRINCE FREDERICK RD # 102
Hughesville, MD 20637
(301) 814-8228
✔ PECOS9.7 mi
Nurse Practitioner
NPI 1790217180
14090 HG TRUEMAN RD STE 2500
Solomons, MD 20688
(410) 535-2005
✔ PECOS✔ Accepts Medicare17 mi
Internal Medicine
NPI 1225228869
13950 BRANDYWINE RD STE 125
Brandywine, MD 20613
(301) 782-2220
✔ PECOS✔ Accepts Medicare17 mi
Nurse Practitioner
NPI 1619502812
3261 OLD WASHINGTON RD
Waldorf, MD 20602
(301) 200-5790
✔ PECOS18 mi
Internal Medicine
NPI 1437414455
950 HARRY S TRUMAN DR N STE 550
Upper Marlboro, MD 20774
(301) 627-3500
✔ PECOS✔ Accepts Medicare19 mi
Emergency Medicine
NPI 1245241348
7503 SURRATTS RD SUITE G125
Clinton, MD 20735
(301) 870-7001
✔ PECOS✔ Accepts Medicare20 mi
Emergency Medicine
NPI 1811904477
7503 SURRATTS RD
Clinton, MD 20735
(301) 868-8000
✔ PECOS20 mi
Emergency Medicine
NPI 1356550891
7503 SURRATTS RD MEDSTAR SOUTHERN MARYLAND HOSPITAL
Clinton, MD 20735
(301) 877-4505
✔ PECOS✔ Accepts Medicare20 mi
Hospitalist
NPI 1053840884
5 GARRETT AVE
La Plata, MD 20646
(301) 609-4000
✔ PECOS✔ Accepts Medicare20 mi
Nurse Practitioner
NPI 1487100368
701 CHARLES ST
La Plata, MD 20646
(301) 609-4160
✔ PECOS✔ Accepts Medicare20 mi
See all 725 clinicians

Source: 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 Emergency Medicine Associates P.A., P.C.'s NPI number?

The NPI number for Emergency Medicine Associates P.A., P.C. is 1699630905. It was assigned to this organization in the NPPES registry on December 18, 2025.

Where is Emergency Medicine Associates P.A., P.C. located?

Emergency Medicine Associates P.A., P.C. is located at 100 Hospital Rd, Prince Frederick, MD 20678. The listed phone number is (410) 535-4000.

What is Emergency Medicine Associates P.A., P.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Emergency Medicine Associates P.A., P.C. enrolled in Medicare?

Yes. Emergency Medicine Associates P.A., P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Emergency Medicine Associates P.A., P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 725 clinicians in 15 Medicare specialties reassign their Medicare billing to Emergency Medicine Associates P.A., P.C.. 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 Emergency Medicine (357), Internal Medicine (165) and Nurse Practitioner (81). Of these, 3 practice at this address and 11 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 Emergency Medicine Associates P.A., P.C. was last updated on December 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.