COMMONWEALTH INTERNAL MEDICINE, PC
NPI 1225076946
Internal Medicine in Fredericksburg, VA
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
Specialties & Licenses
Other Identifiers 1
Group Practice 1
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.
Clinicians Billing Medicare Through This Organization
2Medicare 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)
Fredericksburg, VA 22401
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, VAFrequently 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.
# Commonwealth Internal Medicine, Pc · NPI 1225076946
Internal Medicine organization in Fredericksburg, Virginia. Organization record, active in the CMS NPPES registry since June 3, 2006.
## Identity
- **NPI:** 1225076946 (Entity type: Organization)
- **Enumerated:** June 3, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Norman Chang, PHYSICIAN
## Practice location
- **Address:** 611 JEFFERSON DAVIS HWY, SUITE 201, Fredericksburg, VA 22401-8402
- **Phone:** (540) 371-4141 · **Fax:** (540) 371-1990
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, Virginia, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (1), Nurse Practitioner (1); 1 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 30, 2014
- **Other identifiers:** Medicare PIN C06657
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1225076946) · Data from the CMS NPPES public registry.