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MANASSAS INTERNAL MEDICINE PC
NPI 1609804285
Internal Medicine in Manassas, VA

Active since June 30, 2006CLIA 49D2209715 · Waiver
8704 ROLLING RD, MANASSAS, VA 20110(703) 257-7749(855) 254-4529 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 2, 2021, Apr 12, 2021 (2 updates tracked since 2021).

About Manassas Internal Medicine Pc NPPES

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

MANASSAS INTERNAL MEDICINE PC (NPI 1609804285), doing business as Manassas Internal Medicine, is a healthcare organization registered as an internal medicine in Manassas, Virginia and active in the NPI registry since June 2006. The organization holds a CLIA Waiver certificate valid through January 14, 2027 and lists Angela Shamel, Office Admin, as its authorized official.

NPPES Registry Identity

NPI1609804285
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMANASSAS INTERNAL MEDICINE PC
Location Address8704 ROLLING RDManassas, VA 20110-4253
Mailing Address8704 Rolling RdManassas, VA 20110-4253 · (703) 257-7749 · Fax (855) 254-4529
Phone(703) 257-7749
Fax(855) 254-4529
Organization SubpartNo
Authorized OfficialAngela ShamelOffice Admin · (703) 257-7749
Enumeration DateJune 30, 2006
Last NPPES UpdateJuly 1, 20262 updates tracked since enumeration
NPPES CertifiedJuly 1, 2026
✔ NPI 1609804285 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.
8704 ROLLING RD, Manassas, VA 20110
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Other Names 1

Doing Business AsManassas Internal Medicine

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)

Manassas Internal Medicine Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Manassas Internal Medicine PC, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Rebeka Nazneen, ACNP-BC
Nurse Practitioner
NPI 1669173431
8569 SUDLEY RD STE B
Manassas, VA 20110
(703) 257-7749
✔ PECOS0.2 mi
Young Kim, D.O.
Internal Medicine
NPI 1932106911
8140 ASHTON AVE STE 125
Manassas, VA 20109
(703) 257-7749
✔ PECOS✔ Accepts Medicare1.7 mi
Yoojin Kwon, FNP-BC
Nurse Practitioner
NPI 1316669435
8140 ASHTON AVE STE 125
Manassas, VA 20109
(703) 257-7749
✔ PECOS1.7 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 49D2209715

Manassas Internal Medicine · Manassas, VA
Active · expires Jan 14, 2027
CLIA Number49D2209715
Laboratory TypePhysician Office
Certificate Effective DateJanuary 15, 2025
Certificate Expiration DateJanuary 14, 2027
Laboratory DirectorYoung K. Kim
Laboratory Phone(703) 257-7749
Laboratory LocationManassas Internal Medicine8140 Ashton Ave, Ste 125, Manassas, VA 20109
CLIA data matches this NPI record on: 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 Manassas Internal Medicine PC's NPI number?

The NPI number for Manassas Internal Medicine PC is 1609804285. It was assigned to this organization in the NPPES registry on June 30, 2006. The provider is doing business as Manassas Internal Medicine.

Where is Manassas Internal Medicine PC located?

Manassas Internal Medicine PC is located at 8704 Rolling Rd, Manassas, VA 20110. The listed phone number is (703) 257-7749.

What is Manassas Internal Medicine PC's specialty?

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

Is Manassas Internal Medicine PC enrolled in Medicare?

Yes. Manassas Internal Medicine PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Manassas Internal Medicine PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Manassas Internal Medicine PC, in Internal Medicine 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, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Manassas Internal Medicine PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 49D2209715) is associated with this NPI, valid through January 14, 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 Manassas Internal Medicine PC was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.