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ENDOCRINOLOGY AND INFECTIOUS
NPI 1609074459
Internal Medicine - Endocrinology, Diabetes & Metabolism in Sterling, VA

Active since July 03, 2007
21475 RIDGETOP CIR STE 350, STERLING, VA 20166(703) 430-6211(703) 430-1414 Get Directions Write a Review

NPPES record last updated: August 6, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Endocrinology And Infectious NPPES

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

ENDOCRINOLOGY AND INFECTIOUS (NPI 1609074459) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Sterling, Virginia and active in the NPI registry since July 2007. The organization lists Antonio Pastor, President, as its authorized official.

NPPES Registry Identity

NPI1609074459
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameENDOCRINOLOGY AND INFECTIOUS
Location Address21475 RIDGETOP CIR STE 350Sterling, VA 20166-6580
Mailing Address6035 Burke Centre PkwyBurke, VA 22015-3750 · (703) 978-1196 · Fax (703) 978-7762
Phone(703) 430-6211
Fax(703) 430-1414
Organization SubpartNo
Authorized OfficialAntonio PastorPresident · (703) 430-6211
Enumeration DateJuly 3, 2007
Last NPPES UpdateAugust 6, 2014
✔ NPI 1609074459 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in VA · 0101057623
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.
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License 0101053112 (VA)
21475 RIDGETOP CIR STE 350, Sterling, VA 20166
Open in Google Maps ↗

Other Identifiers 3

Medicare PING01846DC
OtherCK5247Medicare, Railroad
Medicare PINC08455VA

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)

Endocrinology And Infectious is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

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

Clinicians, nearest first (2)

Antonio Pastor, M.D.
Infectious Disease
NPI 1912120056
21475 RIDGETOP CIR SUITE 350
Sterling, VA 20166
(703) 430-6211
✔ PECOSSame address
Carmen Pastor, M.D.
Endocrinology
NPI 1942378948
21475 RIDGETOP CIR SUITE 350
Sterling, VA 20166
(703) 430-6211
✔ 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 Endocrinology And Infectious's NPI number?

The NPI number for Endocrinology And Infectious is 1609074459. It was assigned to this organization in the NPPES registry on July 3, 2007.

Where is Endocrinology And Infectious located?

Endocrinology And Infectious is located at 21475 Ridgetop Cir Ste 350, Sterling, VA 20166. The listed phone number is (703) 430-6211.

What is Endocrinology And Infectious's specialty?

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

Is Endocrinology And Infectious enrolled in Medicare?

Yes. Endocrinology And Infectious is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Endocrinology And Infectious?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Endocrinology And Infectious, in Endocrinology and Infectious Disease. 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 Endocrinology And Infectious was last updated on August 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.