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EMERGENCY MEDICINE SERVICES OF MAINE, LLC
NPI 1578032058
Emergency Medicine in Ellsworth, ME

Active since November 14, 2018
50 UNION ST, ELLSWORTH, ME 04605(207) 664-5311 Get Directions Write a Review

NPPES record last updated: July 2, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 2, 2025, Jul 2, 2020, Jun 11, 2020 and 1 more (4 updates tracked since 2018).

About Emergency Medicine Services Of Maine, Llc NPPES

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

EMERGENCY MEDICINE SERVICES OF MAINE, LLC (NPI 1578032058) is a healthcare organization registered as an emergency medicine in Ellsworth, Maine and active in the NPI registry since November 2018. The organization maintains 5 additional practice locations and lists David J Istvan, President, as its authorized official.

NPPES Registry Identity

NPI1578032058
Entity TypeOrganization
Primary Taxonomy207P00000X
Legal Business NameEMERGENCY MEDICINE SERVICES OF MAINE, LLC
Location Address50 UNION STEllsworth, ME 04605-1534
Mailing Address307 S Evergreen AveWoodbury, NJ 08096-2739 · (856) 686-4316 · Fax (865) 291-3254
Phone(207) 664-5311
Organization SubpartNo
Authorized OfficialDavid J IstvanPresident · (856) 686-4306
Enumeration DateNovember 14, 2018
Last NPPES UpdateJuly 2, 20254 updates tracked since enumeration
NPPES CertifiedJuly 2, 2025
✔ NPI 1578032058 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
50 UNION ST, Ellsworth, ME 04605
Open in Google Maps ↗

Secondary Practice Locations 5

Location 1200 Kennedy Memorial DrWaterville, ME 04901-4526 · Phone (207) 381-3000
Location 2897 W Main StDover Foxcroft, ME 04426-1029 · Phone (207) 564-8401
Location 3140 Academy StPresque Isle, ME 04769-3102 · Phone (207) 768-4000
Location 4447 N Main StPittsfield, ME 04967-3707 · Phone (207) 487-4000
Location 557 Water StBlue Hill, ME 04614-5231 · Phone (207) 374-3400

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 Services Of Maine, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

167

Medicare enrollment records show 167 clinicians reassign Medicare billing to Emergency Medicine Services Of Maine, LLC, which bills Medicare for the services they deliver. Of these, 6 practice at this address. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Emergency Medicine132
Nurse Practitioner21
Family Practice8
Internal Medicine4
General Surgery1
Physical Medicine and Rehabilitation1

Nearest to this location (20)

See all 167
Rachel Hartley, FNP-BC
Nurse Practitioner
NPI 1912943077
50 UNION ST
Ellsworth, ME 04605
(207) 664-5304
✔ PECOS✔ Accepts MedicareSame address
Edwin Layng, M.D.
Emergency Medicine
NPI 1255714622
50 UNION ST
Ellsworth, ME 04605
(207) 664-5311
✔ PECOS✔ Accepts MedicareSame address
Michael Oneal
Nurse Practitioner
NPI 1386399830
50 UNION ST
Ellsworth, ME 04605
(207) 664-5311
✔ PECOS✔ Accepts MedicareSame address
Emily Seltzer, MD
Emergency Medicine
NPI 1144800806
50 UNION ST
Ellsworth, ME 04605
(207) 664-5311
✔ PECOS✔ Accepts MedicareSame address
Anthony Shabro
Emergency Medicine
NPI 1467956250
50 UNION ST
Ellsworth, ME 04605
(207) 664-5311
✔ PECOSSame address
Arthur Manning, DO
Emergency Medicine
NPI 1740223205
50 UNION ST
Ellsworth, ME 04605
(207) 664-5311
✔ PECOS✔ Accepts MedicareSame address
Leonard Clow, DO
Emergency Medicine
NPI 1386613727
57 WATER ST
Blue Hill, ME 04614
(207) 374-3473
✔ PECOS13 mi
Carl Germann, MD
Emergency Medicine
NPI 1578535902
57 WATER STREET
Blue Hill, ME 04614
(207) 374-3400
✔ PECOS✔ Accepts Medicare13 mi
Almir Kalajdzic, DO
Emergency Medicine
NPI 1508360157
57 WATER ST
Blue Hill, ME 04614
(207) 374-3400
✔ PECOS✔ Accepts Medicare13 mi
Michelle Perkins, MD
Family Practice
NPI 1346216108
57 WATER ST
Blue Hill, ME 04614
(207) 374-3473
✔ PECOS✔ Accepts Medicare13 mi
Tamas Peredy, MD
Emergency Medicine
NPI 1043306699
57 WATER STREET
Blue Hill, ME 04614
(207) 374-3400
✔ PECOS✔ Accepts Medicare13 mi
Nathan Donaldson, DO
Emergency Medicine
NPI 1831314855
10 WAYMAN LN
Bar Harbor, ME 04609
(207) 288-5081
✔ PECOS15 mi
Tung Nguyen, DO
Emergency Medicine
NPI 1073833521
10 WAYMAN LN
Bar Harbor, ME 04609
(207) 288-5081
✔ PECOS✔ Accepts Medicare15 mi
Joseph Nabozny, MD
General Surgery
NPI 1023051430
37 CLINIC RD ELEANOR WIDENER DIXON MEMORIAL CLINIC
Gouldsboro, ME 04607
(207) 963-4066
✔ PECOS✔ Accepts Medicare17 mi
John Hooge, MD
Emergency Medicine
NPI 1366701864
489 STATE ST
Bangor, ME 04401
(207) 973-7000
✔ PECOS24 mi
Ian Jester, MD
Emergency Medicine
NPI 1750731147
489 STATE ST
Bangor, ME 04401
(207) 973-8000
✔ PECOS✔ Accepts Medicare24 mi
Fang Li
Nurse Practitioner
NPI 1154101632
489 STATE ST
Bangor, ME 04401
(207) 973-6676
✔ PECOS✔ Accepts Medicare24 mi
Jason Stoner, M.D.
Emergency Medicine
NPI 1346256831
489 STATE ST EMERGENCY DEPARTMENT
Bangor, ME 04401
(207) 973-7000
✔ PECOS✔ Accepts Medicare24 mi
James Hildebrand, M.D.
Emergency Medicine
NPI 1003041708
360 BROADWAY
Bangor, ME 04401
(207) 907-1703
✔ PECOS✔ Accepts Medicare25 mi
Brendan Miller, FNPC
Nurse Practitioner
NPI 1851742472
1012 UNION ST
Bangor, ME 04401
(207) 404-8200
✔ PECOS✔ Accepts Medicare27 mi
See all 167 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 Services Of Maine, LLC's NPI number?

The NPI number for Emergency Medicine Services Of Maine, LLC is 1578032058. It was assigned to this organization in the NPPES registry on November 14, 2018.

Where is Emergency Medicine Services Of Maine, LLC located?

Emergency Medicine Services Of Maine, LLC is located at 50 Union St, Ellsworth, ME 04605. The listed phone number is (207) 664-5311.

What is Emergency Medicine Services Of Maine, LLC's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Emergency Medicine Services Of Maine, LLC enrolled in Medicare?

Yes. Emergency Medicine Services Of Maine, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Emergency Medicine Services Of Maine, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 167 clinicians in 6 Medicare specialties reassign their Medicare billing to Emergency Medicine Services Of Maine, 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 Emergency Medicine (132), Nurse Practitioner (21) and Family Practice (8). Of these, 6 practice at this address. 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 Services Of Maine, LLC was last updated on July 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.