Nancy Diffenbacher, CNP
NPI 1447379359 · Psychiatric/Mental Health Nurse Practitioner · Beachwood, OH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Diffenbacher, CNP is a Psychiatric/Mental Health Nurse Practitioner provider in Beachwood, OH (NPI 1447379359).
Provider details
- NPI number
- 1447379359
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 166572 (OH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-29
- Last updated
- 2025-02-18
- Certified
- 2025-02-18
Frequently asked questions
- What is Nancy Diffenbacher's NPI number?
- Nancy Diffenbacher's National Provider Identifier (NPI) is 1447379359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Diffenbacher's specialty?
- Nancy Diffenbacher is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nancy Diffenbacher located?
- Nancy Diffenbacher's practice location on file with NPPES is 23425 Commerce Park, Beachwood, OH 44122-5844.
- What is Nancy Diffenbacher's phone number?
- The practice phone number listed in the NPPES registry for Nancy Diffenbacher is (216) 831-2900.
- Does Nancy Diffenbacher accept Medicare?
- Nancy Diffenbacher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Diffenbacher's NPI active?
- Yes — Nancy Diffenbacher's NPI (1447379359) is active in the NPPES registry as of the last update on 2025-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.