COMMONWEALTH INTERNAL MEDICINE, PC
NPI 1225076946
Internal Medicine in Fredericksburg, VA

Active since June 03, 2006CLIA 49D0960245 · Waiver
611 JEFFERSON DAVIS HWY, SUITE 201, FREDERICKSBURG, VA 22401(540) 371-4141(540) 371-1990 Get Directions Write a Review

NPPES record last updated: January 30, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Commonwealth Internal Medicine, Pc NPPES

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

COMMONWEALTH INTERNAL MEDICINE, PC (NPI 1225076946) is a healthcare organization registered as an internal medicine in Fredericksburg, Virginia and active in the NPI registry since June 2006. The organization holds a CLIA Waiver certificate valid through May 3, 2027 and lists Norman Chang, Physician, as its authorized official.

NPPES Registry Identity

NPI1225076946
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCOMMONWEALTH INTERNAL MEDICINE, PC
Location Address611 JEFFERSON DAVIS HWY, SUITE 201Fredericksburg, VA 22401-8402
Mailing Address611 Jefferson Davis Hwy, Suite 201Fredericksburg, VA 22401-8402 · (540) 371-4141 · Fax (540) 371-1990
Fax(540) 371-1990
Organization SubpartNo
Authorized OfficialNorman ChangPhysician · (540) 371-4141
Enumeration DateJune 3, 2006
Last NPPES UpdateJanuary 30, 2014
✔ NPI 1225076946 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.
611 JEFFERSON DAVIS HWY, Fredericksburg, VA 22401

Other Identifiers 1

Medicare PINC06657

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateVirginiaEnrollment IDO20040102000358Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Commonwealth Internal Medicine, PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Internal Medicine
NPI 1629064605
611 EMANCIPATION HWY STE 201
Fredericksburg, VA 22401
(540) 371-4141
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1396174025
7103 ROCK RIDGE LN APT M
Alexandria, VA 22315
(580) 504-1205
✔ PECOS36 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 49D0960245

Commonwealth Internal Medicare · Fredericksburg, VA
Active · expires May 3, 2027
CLIA Number49D0960245
Laboratory TypePhysician Office
Certificate Effective DateMay 4, 2025
Certificate Expiration DateMay 3, 2027
Laboratory DirectorNorman A. Chang MD
Laboratory Phone(540) 371-4141
Laboratory LocationCommonwealth Internal Medicare611 Emancipation Highway - Suite 201, Fredericksburg, VA 22401
CLIA data matches this NPI record on: 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 Commonwealth Internal Medicine, PC's NPI number?

The NPI number for Commonwealth Internal Medicine, PC is 1225076946. It was assigned to this organization in the NPPES registry on June 3, 2006.

Where is Commonwealth Internal Medicine, PC located?

Commonwealth Internal Medicine, PC is located at 611 Jefferson Davis Hwy Suite 201, Fredericksburg, VA 22401. The listed phone number is (540) 371-4141.

What is Commonwealth Internal Medicine, PC's specialty?

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

Is Commonwealth Internal Medicine, PC enrolled in Medicare?

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

When is Commonwealth Internal Medicine, PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Virginia, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Commonwealth Internal Medicine, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Commonwealth 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, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Commonwealth Internal Medicine, PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 49D0960245) is associated with this NPI, valid through May 3, 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 Commonwealth Internal Medicine, PC was last updated on January 30, 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.