MELROSE INTERNAL MEDICINE ASSOC PC
NPI 1629055538
Internal Medicine in Melrose, MA
About Melrose Internal Medicine Assoc Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELROSE INTERNAL MEDICINE ASSOC PC (NPI 1629055538) is a healthcare organization registered as an internal medicine in Melrose, Massachusetts and active in the NPI registry since December 2005. The organization holds a CLIA Waiver certificate valid through November 12, 2026 and lists Sandra P Criss, Attorney/business, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Melrose Internal Medicine Assoc Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
12Medicare enrollment records show 12 clinicians reassign Medicare billing to Melrose Internal Medicine Assoc PC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 10 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 5
Clinicians, nearest first (12)
Boston, MA 02114
Windermere, FL 34786
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 22D2157723
Melrose Internal Medicine Associates · Melrose, MAFrequently 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 Melrose Internal Medicine Assoc PC's NPI number?
The NPI number for Melrose Internal Medicine Assoc PC is 1629055538. It was assigned to this organization in the NPPES registry on December 30, 2005.
Where is Melrose Internal Medicine Assoc PC located?
Melrose Internal Medicine Assoc PC is located at 50 Rowe St Suite 500, Melrose, MA 02176. The listed phone number is (781) 979-3800.
What is Melrose Internal Medicine Assoc PC's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Melrose Internal Medicine Assoc PC enrolled in Medicare?
Yes. Melrose Internal Medicine Assoc PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Melrose Internal Medicine Assoc PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 5 Medicare specialties reassign their Medicare billing to Melrose Internal Medicine Assoc PC. 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 Cardiovascular Disease (Cardiology) (5), Nurse Practitioner (3) and Internal Medicine (2). Of these, 4 practice at this address and 10 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Melrose Internal Medicine Assoc PC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 22D2157723) is associated with this NPI, valid through November 12, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Melrose Internal Medicine Assoc PC was last updated on January 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Melrose Internal Medicine Assoc Pc · NPI 1629055538
Internal Medicine organization in Melrose, Massachusetts. Organization record, active in the CMS NPPES registry since December 30, 2005.
## Identity
- **NPI:** 1629055538 (Entity type: Organization)
- **Enumerated:** December 30, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Sandra Criss, ATTORNEY/BUSINESS
## Practice location
- **Address:** 50 ROWE ST, SUITE 500, Melrose, MA 02176-3228
- **Phone:** (781) 979-3800 · **Fax:** (781) 662-2778
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 12 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Cardiovascular Disease (Cardiology) (5), Nurse Practitioner (3), Internal Medicine (2); 4 practice at this address and 10 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 16, 2025
- **Other identifiers:** Other 702274 (MA); Medicaid 9702156 (MA); Other CE3073 (MA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1629055538) · Data from the CMS NPPES public registry.