Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Elena E. Rittmeyer, NP

Sees patients in Chelmsford, MA · Massachusetts

Summary

Elena E. Rittmeyer, NP (Nurse Practitioner) is enrolled with Medicare at 1 practice location in Chelmsford, MA. NPI 1306606595. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Elena E. Rittmeyer, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
3Years since medical school (graduated 2023)
FemaleGender (as listed)
New England Community Medical Services PLLCGroup practice (+1 more)

Quick answers

Where does Elena E. Rittmeyer see patients?
Medicare's clinician data lists 1 practice location in Chelmsford, MA. Call before your visit to confirm the address.
What is Elena E. Rittmeyer's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Elena E. Rittmeyer accept Medicare assignment?
Yes. Medicare's clinician data says Elena E. Rittmeyer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Elena E. Rittmeyer?
(978) 685-2460, as listed in official Medicare / NPI Registry data.
What is Elena E. Rittmeyer's NPI number?
1306606595. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Elena E. Rittmeyer is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Elena E. Rittmeyer as a member of these groups (CMS data updated 2026-10-02).

  • New England Community Medical Services PLLC55 clinicians in the group
  • Lawrence General Community Medical Service PLLC52 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Massachusetts →

Other nurse practitioners in Chelmsford

Clinicians with the same Medicare primary specialty in Chelmsford, MA — not a recommendation.

All nurse practitioners in Chelmsford →

Clinician information

CredentialNP
Graduation year2023
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306606595
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians