DIABETES AND ENDOCRINE CARE OF VIRGINIA, LLC
NPI 1659890663
Internal Medicine - Endocrinology, Diabetes & Metabolism in Manassas, VA

Q: What is Diabetes And Endocrine Care Of Virginia, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Active since September 12, 2017

9001 DIGGES RD STE 101, MANASSAS, VA 20110(571) 363-3082(571) 363-3024 Get Directions Write a Review

NPPES record last updated: January 30, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 30, 2019, Sep 12, 2017 (2 updates tracked since 2017).

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About Diabetes And Endocrine Care Of Virginia, Llc NPPES

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

DIABETES AND ENDOCRINE CARE OF VIRGINIA, LLC (NPI 1659890663) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Manassas, Virginia and active in the NPI registry since September 2017. The organization lists Alejandro Santos Leal, Owner, as its authorized official.

NPPES Registry Identity

NPI1659890663

Entity TypeOrganization

Primary Taxonomy207RE0101X

Legal Business NameDIABETES AND ENDOCRINE CARE OF VIRGINIA, LLC

Location Address9001 DIGGES RD STE 101Manassas, VA 20110-4414

Mailing Address9001 Digges Rd Ste 101Manassas, VA 20110-4414 · (571) 363-3082 · Fax (571) 363-3024

Phone(571) 363-3082

Fax(571) 363-3024

Organization SubpartNo

Authorized OfficialAlejandro Santos LealOwner · (312) 315-4293

Enumeration DateSeptember 12, 2017

Last NPPES UpdateJanuary 30, 20192 updates tracked since enumeration

✔ NPI 1659890663 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in VA · 0101263059

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

9001 DIGGES RD STE 101, Manassas, VA 20110

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Diabetes And Endocrine Care Of Virginia, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Diabetes And Endocrine Care Of Virginia, LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Alejandro Santos Leal, M.D.

Endocrinology

NPI 1780847111

9001 DIGGES RD STE 101
Manassas, VA 20110

(571) 363-3082

✔ PECOS✔ Accepts MedicareSame address

Fredlyn Thornhill, AGNP-C, RN

Nurse Practitioner

NPI 1235671900

9001 DIGGES RD
Manassas, VA 20110

(571) 363-3082

✔ 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.

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 Endocrine Care Of Virginia, LLC's NPI number?

The NPI number for Diabetes And Endocrine Care Of Virginia, LLC is 1659890663. It was assigned to this organization in the NPPES registry on September 12, 2017.

Where is Diabetes And Endocrine Care Of Virginia, LLC located?

Diabetes And Endocrine Care Of Virginia, LLC is located at 9001 Digges Rd Ste 101, Manassas, VA 20110. The listed phone number is (571) 363-3082.

What is Diabetes And Endocrine Care Of Virginia, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Diabetes And Endocrine Care Of Virginia, LLC enrolled in Medicare?

Yes. Diabetes And Endocrine Care Of Virginia, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Diabetes And Endocrine Care Of Virginia, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Diabetes And Endocrine Care Of Virginia, LLC, in Endocrinology and Nurse Practitioner. 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. Of these, 2 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 Diabetes And Endocrine Care Of Virginia, LLC was last updated on January 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.