MARTHA KITTREDGE FNP-BC
NPI 1396633590
Nurse Practitioner - Family in Somerville, MA

Active since June 25, 2025PECOS EnrolledAccepts Medicare Assignment
255 ELM ST STE 301, SOMERVILLE, MA 02144(617) 666-9577 Get Directions Write a Review

NPPES record last updated: June 25, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Martha Kittredge Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARTHA KITTREDGE FNP-BC (NPI 1396633590) is an individual family provider in Somerville, Massachusetts, licensed in Massachusetts (2025028237) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1396633590
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARTHA KITTREDGECredential: FNP-BC
Location Address255 ELM ST STE 301Somerville, MA 02144-2947
Mailing Address255 Elm St Ste 301Somerville, MA 02144-2947
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJune 25, 2025
NPPES CertifiedJune 17, 2025
✔ NPI 1396633590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MA · 2025028237
255 ELM ST STE 301, Somerville, MA 02144

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Martha Kittredge Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9234607573
PECOS Enrollment IDI20260506000202
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Martha Kittredge reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
260 ELM ST, SUITE 105
Somerville, MA 02144
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220002
Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02144 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Martha Kittredge's NPI number?

The NPI number for Martha Kittredge is 1396633590. It was assigned to this individual provider in the NPPES registry on June 25, 2025.

Where is Martha Kittredge located?

Martha Kittredge practices at 255 Elm St Ste 301, Somerville, MA 02144. The listed phone number is (617) 666-9577.

What is Martha Kittredge's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Martha Kittredge enrolled in Medicare?

Yes. Martha Kittredge is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Martha Kittredge's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martha Kittredge reassigns Medicare benefits to Davis Square Family Practice (Somerville, MA). The 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 Martha Kittredge's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Martha Kittredge affiliated with any hospitals?

According to CMS data, Martha Kittredge is affiliated with Mount Auburn Hospital.

When was this NPI record last updated?

The NPPES record for Martha Kittredge was last updated on June 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.