NPPES file of Aug 9, 2026

Diane M. Zimmerman, CNM

Advanced Practice Midwife · Philadelphia, PA

Diane M. Zimmerman, CNM is an advanced practice midwife with a practice address in Philadelphia, Pennsylvania, and NPI 1548282866, issued on Jul 24, 2006. Check the license (Pennsylvania MW008443L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548282866
Name
Diane M. Zimmerman
Credential
CNM
Primary taxonomy
Advanced Practice Midwife 367A00000X
License number
MW008443L PA
Self-reported in NPPES; status is on the state search
Practice location
601 Walnut St, Philadelphia, PA 19106
Phone
(215) 829-8000
Enumerated
Jul 24, 2006
Record last updated
Jun 25, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
0018209790001 PA
Medicare enrollment
Enrolled (PECOS I20040122000603); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 601 Walnut St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Richard Balderston, M.D.Orthopaedic Surgery of the Spine Physician1265476386
  2. Arthur Bartolozzi, M.D.Sports Medicine (Orthopaedic Surgery) Physician1710921887
  3. Judith Colla, CNMAdvanced Practice Midwife1558375550
  4. Tamara Danilewitz, M.D.Internal Medicine Physician1689799587
  5. Peter Gearhart, MDObstetrics & Gynecology Physician1669490959
  6. Jennifer Kim, MDOphthalmology Physician1124178892

Verify Diane M. Zimmerman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license MW008443L
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 86.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Clinical Care Associates OF The University OF Pennsylvania Health.Philadelphia, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Diane M. Zimmerman among 464 advanced practice midwife records in Pennsylvania

Diane M. Zimmerman, CNM is one of 464 advanced practice midwife records with a practice address in Pennsylvania. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 73% newer
  • In a Medicare fileYes · 58% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated1989 · median 2016 among the 188 with a school on file
  • Record last updated2013 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367A00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Advanced Practice Midwife providers in Pennsylvania

There are 464 advanced practice midwife records in Pennsylvania.

The 8 advanced practice midwife records with the nearest ZIP codes

  1. Judith Colla, CNMPhiladelphia, PA 191061558375550
  2. Megan Donaghy, CNMPhiladelphia, PA 191061922273044
  3. Estela Field, CNMPhiliadelphia, PA 191061649292590
  4. Mary Guidera, CNMPhiladelphia, PA 191061710022215
  5. Christie Werynski, CNMPhiladelphia, PA 191061629287818
  6. Ruth Wilf, CNMPhiladelphia, PA 191061477575322
  7. Susan Brunk, CNMPhiladelphia, PA 191071881601953
  8. Laniece Coleman, CNMWPhiladelphia, PA 191071801854823

Common questions

What is Diane M. Zimmerman, CNM's NPI number?

Diane M. Zimmerman, CNM's National Provider Identifier (NPI) is 1548282866, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diane M. Zimmerman, CNM located?

The NPPES record lists a practice address at 601 Walnut St, Philadelphia, PA, 19106. Phone: (215) 829-8000. Providers update this record themselves, so call before visiting.

How can I verify Diane M. Zimmerman, CNM's license?

NPPES lists Pennsylvania license number MW008443L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

What is Diane M. Zimmerman, CNM's MIPS final score?

The 2023 MIPS final score is 86.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.