1. Home
  2. Directory
  3. Virginia
  4. Fredericksburg
  5. Clinic Center
  6. NPI Profile

DIABETES AND THYROID ASSOCIATES PC
NPI 1528095809
Clinic/Center - Medical Specialty in Fredericksburg, VA

Active since June 26, 2006CLIA 49D0874168 · Waiver
10711 SPOTSYLVANIA AVE, FREDERICKSBURG, VA 22408(540) 891-8499(540) 891-8662 Get Directions Write a Review

NPPES record last updated: October 18, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 18, 2022, Aug 22, 2020 (2 updates tracked since 2020).

About Diabetes And Thyroid Associates Pc NPPES

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

DIABETES AND THYROID ASSOCIATES PC (NPI 1528095809) is a healthcare organization registered as a medical specialty in Fredericksburg, Virginia and active in the NPI registry since June 2006. The organization holds a CLIA Waiver certificate valid through August 5, 2028 and lists Mark Allen Mcclanahan, President, as its authorized official.

NPPES Registry Identity

NPI1528095809
Entity TypeOrganization
Primary Taxonomy261QM2500X
Legal Business NameDIABETES AND THYROID ASSOCIATES PC
Location Address10711 SPOTSYLVANIA AVEFredericksburg, VA 22408-2674
Mailing Address10711 Spotsylvania AveFredericksburg, VA 22408-2674 · (540) 891-8499
Phone(540) 891-8499
Fax(540) 891-8662
Organization SubpartNo
Authorized OfficialMark Allen McclanahanPresident · (540) 891-8499
Enumeration DateJune 26, 2006
Last NPPES UpdateOctober 18, 20222 updates tracked since enumeration
NPPES CertifiedOctober 18, 2022
✔ NPI 1528095809 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).
10711 SPOTSYLVANIA AVE, Fredericksburg, VA 22408
Open in Google Maps ↗

Other Identifiers 1

Other077372VA · Anthem Blue Cross Identif

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diabetes And Thyroid Associates Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Diabetes And Thyroid Associates PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mark Mcclanahan, M.D.
Endocrinology
NPI 1093840811
10711 SPOTSYLVANIA AVE
Fredericksburg, VA 22408
(540) 891-8499
✔ PECOS✔ Accepts MedicareSame address

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 49D0874168

Diabetes And Thyroid Associates · Fredericksburg, VA
Active · expires Aug 5, 2028
CLIA Number49D0874168
Laboratory TypePhysician Office
Certificate Effective DateAugust 6, 2026
Certificate Expiration DateAugust 5, 2028
Laboratory DirectorMark A. Mcclanahan
Laboratory Phone(540) 373-3282
Laboratory LocationDiabetes And Thyroid Associates10711 Spotsylvania Avenue, Fredericksburg, VA 22408
CLIA data matches this NPI record on: Address Name
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 Diabetes And Thyroid Associates PC's NPI number?

The NPI number for Diabetes And Thyroid Associates PC is 1528095809. It was assigned to this organization in the NPPES registry on June 26, 2006.

Where is Diabetes And Thyroid Associates PC located?

Diabetes And Thyroid Associates PC is located at 10711 Spotsylvania Ave, Fredericksburg, VA 22408. The listed phone number is (540) 891-8499.

What is Diabetes And Thyroid Associates PC's specialty?

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

Is Diabetes And Thyroid Associates PC enrolled in Medicare?

Yes. Diabetes And Thyroid Associates PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Diabetes And Thyroid Associates PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Endocrinology) reassigns their Medicare billing to Diabetes And Thyroid Associates PC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Diabetes And Thyroid Associates PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 49D0874168) is associated with this NPI, valid through August 5, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Diabetes And Thyroid Associates PC was last updated on October 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.