NPPES file of Aug 9, 2026

Nancy Diffenbacher, CNP

Psychiatric/Mental Health Nurse Practitioner · Beachwood, OH

Nancy Diffenbacher, CNP is a psychiatric/mental health nurse practitioner with a practice address in Beachwood, Ohio, and NPI 1447379359, issued on Mar 29, 2007. Check the license (Ohio APRN.CNP.02802, as entered in NPPES) with the Ohio 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447379359
Name
Nancy Diffenbacher
Credential
CNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
APRN.CNP.02802 OH
166572 OH
Self-reported in NPPES; status is on the state search
Practice location
23425 Commerce Park, Beachwood, OH 44122
Phone
(216) 831-2900
Enumerated
Mar 29, 2007
Record last updated
Feb 18, 2025
Medicaid ID
2204831 OH
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 2,498 in Ohio → Look up another NPI →

Also registered at 23425 Commerce Park

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

  1. Rachel BerkowitzPsychiatric/Mental Health Nurse Practitioner1063281988
  2. Erin Carter, PH.D.Psychologist1588041446
  3. Anna Novak, L.I.S.W.Clinical Social Worker1821198359

Verify Nancy Diffenbacher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license APRN.CNP.02802    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 Ohio license search

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Industry payments in 2024: $20.40

1 payment: food and beverage; the largest payer was Corium, LLC. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nancy Diffenbacher$20.40
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Nancy Diffenbacher among 2,498 psychiatric/mental health nurse practitioner records in Ohio

Nancy Diffenbacher, CNP is one of 2,498 psychiatric/mental health nurse practitioner records with a practice address in Ohio. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 3% of them.

  • NPI issued2007 · 3% of these records are older, 95% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2025 · 21% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 psychiatric/mental health nurse practitioner records list a practice address in Beachwood

They are 36 of the 2,592 NPPES records with a practice address in Beachwood, and 2,498 psychiatric/mental health nurse practitioner records in Ohio.

All 2,498 in Ohio → Every provider in Beachwood → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Barbara Bonner-Carolan, NPBeachwood, OH 441221992724215
  2. Kuwanna Deaver, MSN,APRN, PMHNP-BCBeachwood, OH 441221427419845
  3. Laura Dehelian, PHD, APRN,BCBeachwood, OH 441221285747972
  4. Elizabeth Delancey-Niksa, PMHNP, RNBeachwood, OH 441221396292108
  5. Anna GrzebieniakBeachwood, OH 441221588085997
  6. Monica Halter, APRN, PMHNPBeachwood, OH 441221689941262
  7. Jeffrey Iannone, APRNBeachwood, OH 441221164980934
  8. Andrew Mossman, NP-CShaker Heights, OH 441221053761890

Common questions

What is Nancy Diffenbacher, CNP's NPI number?

Nancy Diffenbacher, CNP's National Provider Identifier (NPI) is 1447379359, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Diffenbacher, CNP located?

The NPPES record lists a practice address at 23425 Commerce Park, Beachwood, OH, 44122. Phone: (216) 831-2900. Providers update this record themselves, so call before visiting.

How can I verify Nancy Diffenbacher, CNP's license?

NPPES lists Ohio license number APRN.CNP.02802, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.