LONGFELLOW PRIMARY CARE, PC
NPI 1902001886
Internal Medicine - Infectious Disease in Cambridge, MA
About Longfellow Primary Care, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LONGFELLOW PRIMARY CARE, PC (NPI 1902001886) is a healthcare organization registered as an infectious disease in Cambridge, Massachusetts and active in the NPI registry since June 2007. The organization lists Rachel Haft, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
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)
Longfellow Primary Care, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by October 31, 2026
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 Longfellow Primary Care, PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
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 Longfellow Primary Care, PC's NPI number?
The NPI number for Longfellow Primary Care, PC is 1902001886. It was assigned to this organization in the NPPES registry on June 19, 2007.
Where is Longfellow Primary Care, PC located?
Longfellow Primary Care, PC is located at 625 Mount Auburn St Suite 101A, Cambridge, MA 02138. The listed phone number is (617) 492-4545.
What is Longfellow Primary Care, PC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Longfellow Primary Care, PC enrolled in Medicare?
Yes. Longfellow Primary Care, PC is registered in the Medicare PECOS enrollment system.
When is Longfellow Primary Care, 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 (Massachusetts, Clinic/Group Practice) is due for revalidation by October 31, 2026. 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 Longfellow Primary Care, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Longfellow Primary Care, 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, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Longfellow Primary Care, PC accept?
Health plans from Anthem Blue Cross and Blue Shield list Longfellow Primary Care, PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Longfellow Primary Care, PC was last updated on March 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Longfellow Primary Care, Pc · NPI 1902001886
Infectious Disease organization in Cambridge, Massachusetts. Organization record, active in the CMS NPPES registry since June 19, 2007.
## Identity
- **NPI:** 1902001886 (Entity type: Organization)
- **Enumerated:** June 19, 2007
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **Organization subpart:** No
- **Authorized official:** Rachel Haft, PRESIDENT
## Practice location
- **Address:** 625 MOUNT AUBURN ST, SUITE 101A, Cambridge, MA 02138-4555
- **Phone:** (617) 492-4545 · **Fax:** (617) 492-4559
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** October 31, 2026 (Non-DME Part B, Massachusetts, 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); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 16, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1902001886) · Data from the CMS NPPES public registry.