GEORGE ROSENFELD, MD
NPI 1710104625
Family Medicine in Portland, CT
About George Rosenfeld, Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEORGE ROSENFELD, MD (NPI 1710104625) is a healthcare organization registered as a family medicine in Portland, Connecticut and active in the NPI registry since April 2007. The organization lists Susan Serkey, Practice Administrator, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 5
Other Names 1
Other Identifiers 2
Group Practice 2
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
George Rosenfeld, Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
147Medicare enrollment records show 147 clinicians reassign Medicare billing to George Rosenfeld, MD, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 75 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 15
Nearest to this location (20)
See all 147Middletown, CT 06457
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 Mhs Primary Care's NPI number?
The NPI number for Mhs Primary Care is 1710104625. It was assigned to this organization in the NPPES registry on April 20, 2007. The provider is doing business as George Rosenfeld, MD.
Where is Mhs Primary Care located?
Mhs Primary Care is located at 270 Main St, Portland, CT 06480. The listed phone number is (860) 342-3392.
What is Mhs Primary Care's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mhs Primary Care enrolled in Medicare?
Yes. Mhs Primary Care is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mhs Primary Care?
According to the CMS Revalidation Reassignment List (October 2026 release), 147 clinicians in 15 Medicare specialties reassign their Medicare billing to Mhs Primary Care. 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. The largest specialties are Nurse Practitioner (47), Family Practice (44) and General Surgery (10). Of these, 7 practice at this address and 75 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mhs Primary Care was last updated on September 8, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# George Rosenfeld, Md · NPI 1710104625
Family Medicine organization in Portland, Connecticut. Organization record, active in the CMS NPPES registry since April 20, 2007.
## Identity
- **NPI:** 1710104625 (Entity type: Organization)
- **Enumerated:** April 20, 2007
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Legal business name:** Mhs Primary Care
- **Organization subpart:** No
- **Authorized official:** Susan Serkey, PRACTICE ADMINISTRATOR
## Practice location
- **Address:** 270 MAIN ST, Portland, CT 06480-1857
- **Phone:** (860) 342-3392 · **Fax:** (860) 358-8658
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 147 clinicians in 15 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (47), Family Practice (44), General Surgery (10); 7 practice at this address and 75 within 10 miles; [full list](https://npiprofile.com/npi/1710104625/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 8, 2017
- **Other identifiers:** Medicaid 04173259 (CT); Medicare PIN C02326 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1710104625) · Data from the CMS NPPES public registry.