UPPER CHESAPEAKE ENDOCRINOLOGY ASSOCIATES, LLC
NPI 1366639312
Clinic/Center - Medical Specialty in Aberdeen, MD

Active since October 03, 2007CLIA 21D1077494 · Waiver
650 MCHENRY RD STE 3300, ABERDEEN, MD 21001(443) 843-6100(443) 843-6130 Get Directions Write a Review

NPPES record last updated: September 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 9, 2021, Feb 29, 2020 (2 updates tracked since 2020).

About Upper Chesapeake Endocrinology Associates, Llc NPPES

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

UPPER CHESAPEAKE ENDOCRINOLOGY ASSOCIATES, LLC (NPI 1366639312) is a healthcare organization registered as a medical specialty in Aberdeen, Maryland and active in the NPI registry since October 2007. The organization holds a CLIA Waiver certificate valid through December 11, 2027 and lists Marcus Thomas Augustus Priolo, Cfo, as its authorized official.

NPPES Registry Identity

NPI1366639312
Entity TypeOrganization
Primary Taxonomy261QM2500X
Legal Business NameUPPER CHESAPEAKE ENDOCRINOLOGY ASSOCIATES, LLC
Location Address650 MCHENRY RD STE 3300Aberdeen, MD 21001-2683
Mailing Address520 Upper Chesapeake Dr, Suite 405Bel Air, MD 21014-4339 · (443) 643-3340 · Fax (443) 643-3343
Fax(443) 843-6130
Organization SubpartNo
Authorized OfficialMarcus Thomas Augustus PrioloCfo · (443) 643-3340
Enumeration DateOctober 3, 2007
Last NPPES UpdateSeptember 24, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2025
✔ NPI 1366639312 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Medical SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM2500X
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
650 MCHENRY RD STE 3300, Aberdeen, MD 21001

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Upper Chesapeake Endocrinology Associates, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

13

Medicare enrollment records show 13 clinicians reassign Medicare billing to Upper Chesapeake Endocrinology Associates, LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 6 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 2

Endocrinology11
Nurse Practitioner2

Clinicians, nearest first (13)

Endocrinology
NPI 1669869632
650 MCHENRY RD STE 3300
Aberdeen, MD 21001
(443) 843-6100
✔ PECOS✔ Accepts MedicareSame address
Endocrinology
NPI 1215271333
650 MCHENRY RD STE 3300
Aberdeen, MD 21001
(443) 843-6100
✔ PECOS✔ Accepts MedicareSame address
Endocrinology
NPI 1699067520
2027 PULASKI HWY STE 207
Havre De Grace, MD 21078
(443) 843-6100
✔ PECOS✔ Accepts Medicare2.4 mi
Endocrinology
NPI 1033250048
2027 PULASKI HWY SWAN CREEK VILLAGE CENTER, SUITE 207
Havre De Grace, MD 21078
(443) 843-6100
✔ PECOS✔ Accepts Medicare2.4 mi
Nurse Practitioner
NPI 1326536418
500 UPPER CHESAPEAKE DR
Bel Air, MD 21014
(443) 643-1500
✔ PECOS✔ Accepts Medicare9.1 mi
Endocrinology
NPI 1881699411
510 UPPER CHESAPEAKE DR #510
Bel Air, MD 21014
(443) 643-3200
✔ PECOS✔ Accepts Medicare9.1 mi
Endocrinology
NPI 1528063567
6535 NORTH CHARLES STREET SUITE 400
Baltimore, MD 21204
(410) 828-7417
✔ PECOS✔ Accepts Medicare25 mi
Nurse Practitioner
NPI 1043755952
1800 ORLEANS ST
Baltimore, MD 21287
(410) 955-5000
✔ PECOS✔ Accepts Medicare27 mi
Endocrinology
NPI 1285155994
5755 CEDAR LN
Columbia, MD 21044
(410) 720-8695
✔ PECOS✔ Accepts Medicare43 mi
Endocrinology
NPI 1780846758
13900 BALTIMORE AVE
Laurel, MD 20707
(301) 725-5652
✔ PECOS✔ Accepts Medicare48 mi
Endocrinology
NPI 1588062251
7211 BANK CT
Frederick, MD 21703
(240) 215-6310
✔ PECOS✔ Accepts Medicare67 mi
Endocrinology
NPI 1265484190
905 DIXIE ST
Carrollton, GA 30117
(678) 796-0681
✔ PECOS✔ Accepts Medicare642 mi
Endocrinology
NPI 1871522516
208 N CUTHBERT ST
Colquitt, GA 39837
(229) 281-6096
✔ PECOS✔ Accepts Medicare751 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 21D1077494

Upper Chesapeake Endocrinology Associates LLC · Aberdeen, MD
Active · expires Dec 11, 2027
CLIA Number21D1077494
Laboratory TypePhysician Office
Certificate Effective DateDecember 12, 2025
Certificate Expiration DateDecember 11, 2027
Laboratory DirectorJulie M. Ducharme
Laboratory Phone(443) 843-6100
Laboratory LocationUpper Chesapeake Endocrinology Associates LLC650 Mchenry Rd Ste 3300, Aberdeen, MD 21001
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Upper Chesapeake Endocrinology Associates, LLC's NPI number?

The NPI number for Upper Chesapeake Endocrinology Associates, LLC is 1366639312. It was assigned to this organization in the NPPES registry on October 3, 2007.

Where is Upper Chesapeake Endocrinology Associates, LLC located?

Upper Chesapeake Endocrinology Associates, LLC is located at 650 Mchenry Rd Ste 3300, Aberdeen, MD 21001. The listed phone number is (443) 843-6100.

What is Upper Chesapeake Endocrinology Associates, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.

Is Upper Chesapeake Endocrinology Associates, LLC enrolled in Medicare?

Yes. Upper Chesapeake Endocrinology Associates, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Upper Chesapeake Endocrinology Associates, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 13 clinicians in 2 Medicare specialties reassign their Medicare billing to Upper Chesapeake Endocrinology Associates, 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 Endocrinology (11) and Nurse Practitioner (2). Of these, 2 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Upper Chesapeake Endocrinology Associates, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 21D1077494) is associated with this NPI, valid through December 11, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Upper Chesapeake Endocrinology Associates, LLC was last updated on September 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.