Gretchen Hennegan, NP
NPI 1821426453 · Gerontology Nurse Practitioner · North Olmsted, OH
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Hennegan, NP is a Gerontology Nurse Practitioner provider in North Olmsted, OH (NPI 1821426453).
Provider details
- NPI number
- 1821426453
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- COA.15113-NP (OH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
12 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.
$123 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
- 2013-10-16
- Last updated
- 2013-10-16
Frequently asked questions
- What is Gretchen Hennegan's NPI number?
- Gretchen Hennegan's National Provider Identifier (NPI) is 1821426453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Hennegan's specialty?
- Gretchen Hennegan is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gretchen Hennegan located?
- Gretchen Hennegan's practice location on file with NPPES is 25000 Country Club Blvd, North Olmsted, OH 44070-5344.
- What is Gretchen Hennegan's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Hennegan is (440) 793-2255.
- Does Gretchen Hennegan accept Medicare?
- Gretchen Hennegan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Hennegan's NPI active?
- Yes — Gretchen Hennegan's NPI (1821426453) is active in the NPPES registry as of the last update on 2013-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.