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Certified Nurse Midwife (CNM)

Jennifer L. Shark, CNM

Sees patients in Cambridge, MA · Massachusetts

Summary

Jennifer L. Shark, CNM is a nurse midwife at 25 Carleton St, Cambridge, MA 02142. Phone: (617) 258-6896. Accepts Medicare assignment. In 2024, Jennifer L. Shark had 15 Original Medicare patients and 40 services. NPI 1205004793. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse midwife (Medicare lists Certified Nurse Midwife (CNM))
  • Address: 25 Carleton St, Cambridge, MA 02142 · Directions
  • Phone: (617) 258‑6896
  • Medicare: Accepts Medicare assignment
  • Group practice: Massachusetts Institute of Technology
  • School: graduated 2007
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer L. Shark, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jennifer L. Shark accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer L. Shark accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Jennifer L. Shark see?
In 2024, CMS data shows 15 Original Medicare patients and 40 services for Jennifer L. Shark. This counts Original Medicare only and measures volume, not quality.
What is Jennifer L. Shark's NPI number?
1205004793. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Jennifer L. Shark, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients15
Services billed to Medicare40
Different services or procedures11
Participating Medicare providerYes
Average age of these patients76

Practice locations

Addresses where Jennifer L. Shark is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jennifer L. Shark as a member of this group (CMS data updated October 2, 2026).

  • Massachusetts Institute of Technology54 clinicians in the group

Specialties

Find other clinicians: Certified Nurse Midwife (CNM), Massachusetts →

Other nurse midwifes in Cambridge

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

All nurse midwifes in Cambridge →

Other clinicians in Massachusetts Institute of Technology

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialCNM
Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205004793
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians