Heather Diffendall, CRNP
NPI 1194197731 · Gerontology Nurse Practitioner · Lebanon, PA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Diffendall, CRNP is a Gerontology Nurse Practitioner provider in Lebanon, PA (NPI 1194197731).
Provider details
- NPI number
- 1194197731
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- SP015445 (PA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
10 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- 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.
$244 across 2 records (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
Additional practice locations (3)
- 169 Martin AveEphrata, PA 17522-1734Phone: (717) 738-6753
- 252 S 4th StLebanon, PA 17042-6111Phone: (717) 639-3150
- 1001 S George StYork, PA 17403-3676Phone: (717) 851-3467
Registry dates
- Enumerated
- 2015-10-22
- Last updated
- 2026-05-06
- Certified
- 2026-05-06
Frequently asked questions
- What is Heather Diffendall's NPI number?
- Heather Diffendall's National Provider Identifier (NPI) is 1194197731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Diffendall's specialty?
- Heather Diffendall is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Heather Diffendall located?
- Heather Diffendall's practice location on file with NPPES is 775 Norman Dr, Lebanon, PA 17042-7497.
- What is Heather Diffendall's phone number?
- The practice phone number listed in the NPPES registry for Heather Diffendall is (717) 272-8173.
- Does Heather Diffendall accept Medicare?
- Heather Diffendall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Diffendall's NPI active?
- Yes — Heather Diffendall's NPI (1194197731) is active in the NPPES registry as of the last update on 2026-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.