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

Certified Nurse Midwife (CNM)

Diane Zimmerman, CNM

Sees patients in Philadelphia, PA · Pennsylvania

Summary

Diane Zimmerman, CNM is a nurse midwife at 800 Walnut St Fl, 14 Penn Ob/gyn and Midwifery Care, Philadelphia, PA 19107. Phone: (215) 829-8000. Accepts Medicare assignment. NPI 1548282866. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Nurse midwife (Medicare lists Certified Nurse Midwife (CNM))
  • Address: 800 Walnut St Fl, 14 Penn Ob/gyn and Midwifery Care, Philadelphia, PA 19107 · Directions
  • Phone: (215) 829‑8000
  • Medicare: Accepts Medicare assignment
  • Group practice: Clinical Care Associates of the University of Pennsylvania Health.
  • School: graduated 1989
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Diane Zimmerman, 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 Diane Zimmerman accept Medicare assignment?
Yes. Medicare's clinician data says Diane Zimmerman 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.
What is Diane Zimmerman's NPI number?
1548282866. 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 Diane Zimmerman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Diane Zimmerman as a member of this group (CMS data updated October 2, 2026).

  • Clinical Care Associates of the University of Pennsylvania Health.598 clinicians in the group

Specialties

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

Other nurse midwifes in Philadelphia

Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.

All nurse midwifes in Philadelphia →

Other clinicians in Clinical Care Associates of the University of Pennsylvania Health.

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

Clinician information

CredentialCNM
Graduation year1989
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548282866
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. 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