MEP OBSERVATION SERVICES LLC
NPI 1740021625
Internal Medicine in Rockville, MD

Active since June 04, 2024
9901 MEDICAL CENTER DR, ROCKVILLE, MD 20850(844) 474-4019 Get Directions Write a Review

NPPES record last updated: December 18, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 18, 2024, Jun 4, 2024 (2 updates tracked since 2024).

About Mep Observation Services Llc NPPES

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

MEP OBSERVATION SERVICES LLC (NPI 1740021625) is a healthcare organization registered as an internal medicine in Rockville, Maryland and active in the NPI registry since June 2024. The organization lists Jennifer Chastain, Provider Enrollment, as its authorized official.

NPPES Registry Identity

NPI1740021625
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMEP OBSERVATION SERVICES LLC
Location Address9901 MEDICAL CENTER DRRockville, MD 20850-3357
Mailing Address4535 Dressler Rd NwCanton, OH 44718-2545 · (844) 474-4019 · Fax (330) 493-8677
Organization SubpartNo
Authorized OfficialJennifer ChastainProvider Enrollment · (330) 493-4443
Enumeration DateJune 4, 2024
Last NPPES UpdateDecember 18, 20242 updates tracked since enumeration
NPPES CertifiedDecember 18, 2024
✔ NPI 1740021625 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.
9901 MEDICAL CENTER DR, Rockville, MD 20850

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)

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

Clinicians Billing Medicare Through This Organization

16

Medicare enrollment records show 16 clinicians reassign Medicare billing to Mep Observation Services LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians by Medicare Specialty 3

Nurse Practitioner12
Emergency Medicine3
Family Practice1

Clinicians, nearest first (16)

Nurse Practitioner
NPI 1407564271
9901 MEDICAL CENTER DR
Rockville, MD 20850
(111) 111-1111
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1578154464
9901 MEDICAL CENTER DR
Rockville, MD 20850
(240) 826-6396
✔ PECOSSame address
Emergency Medicine
NPI 1386933950
9901 MEDICAL CENTER DR
Rockville, MD 20850
(301) 279-6000
✔ PECOSSame address
Nurse Practitioner
NPI 1568035988
5530 WISCONSIN AVE STE 1200
Chevy Chase, MD 20815
(855) 729-2272
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1538511654
8700 GEORGIA AVE STE 400
Silver Spring, MD 20910
(301) 585-6049
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1033583257
100 IRVING ST NW
Washington, DC 20010
(202) 877-7000
✔ PECOS✔ Accepts Medicare15 mi
Nurse Practitioner
NPI 1881275378
400 W 7TH ST
Frederick, MD 21701
(240) 566-3500
✔ PECOS✔ Accepts Medicare25 mi
Nurse Practitioner
NPI 1013546100
814 TOLL HOUSE AVE
Frederick, MD 21701
(301) 662-8310
✔ PECOS✔ Accepts Medicare25 mi
Emergency Medicine
NPI 1295949931
2401 W BELVEDERE AVE DEPARTMENT OF EMERGENCY MEDICINE
Baltimore, MD 21215
(410) 601-5737
✔ PECOS✔ Accepts Medicare34 mi
Family Practice
NPI 1639156938
12500 WILLOWBROOK RD
Cumberland, MD 21502
(240) 964-8564
✔ PECOS✔ Accepts Medicare91 mi
Emergency Medicine
NPI 1700177094
3400 SPRUCE ST
Philadelphia, PA 19104
(215) 662-6305
✔ PECOS122 mi
Nurse Practitioner
NPI 1750457511
18 YEGER DR
Allentown, NJ 08501
(609) 208-1377
✔ PECOS✔ Accepts Medicare161 mi
Nurse Practitioner
NPI 1265905780
566 RUIN CREEK RD
Henderson, NC 27536
(252) 438-4143
✔ PECOS✔ Accepts Medicare203 mi
Nurse Practitioner
NPI 1326876020
3999 RICHMOND RD
Beachwood, OH 44122
(216) 285-4146
✔ PECOS✔ Accepts Medicare279 mi
Nurse Practitioner
NPI 1487176814
7984 FOREST CITY RD # 102
Orlando, FL 32810
(407) 629-1441
✔ PECOS✔ Accepts Medicare761 mi
Nurse Practitioner
NPI 1902057177
920 2ND AVE S STE 400
Minneapolis, MN 55402
(612) 225-1538
✔ PECOS✔ Accepts Medicare919 mi

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 Mep Observation Services LLC's NPI number?

The NPI number for Mep Observation Services LLC is 1740021625. It was assigned to this organization in the NPPES registry on June 4, 2024.

Where is Mep Observation Services LLC located?

Mep Observation Services LLC is located at 9901 Medical Center Dr, Rockville, MD 20850. The listed phone number is (844) 474-4019.

What is Mep Observation Services LLC's specialty?

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

Is Mep Observation Services LLC enrolled in Medicare?

Yes. Mep Observation Services LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mep Observation Services LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 16 clinicians in 3 Medicare specialties reassign their Medicare billing to Mep Observation Services 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 Nurse Practitioner (12), Emergency Medicine (3) and Family Practice (1). Of these, 3 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 Mep Observation Services LLC was last updated on December 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.