HEATHER LYNN DIFFENDALL (CRNP) – Gerontology Nurse Practitioner, NPI 1194197731
Gerontology Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
11,473 NURSE PRACTITIONER in PA
Provider Addresses for HEATHER LYNN DIFFENDALL (CRNP)
1001 S GEORGE ST FL 2
YORK, PA 174033676
Phone: (717) 851-2465
Fax: (717) 741-3043
Type: Mailing
169 Martin Ave
Ephrata, PA 175221734
Phone: (717) 738-6753
Type: Location
252 S 4th St
Lebanon, PA 170426111
Phone: (717) 639-3150
Type: Location
1001 S George St
York, PA 174033676
Phone: (717) 851-3467
Type: Location
850 TUCK ST
LEBANON, PA 170427477
Phone: (717) 272-8173
Fax: (717) 272-4029
Type: Location
3421 CONCORD RD
YORK, PA 174029001
Phone: (717) 272-8173
Fax: (717) 272-4029
Type: Mailing
601 MEMORY LN
YORK, PA 174022231
Phone: (717) 851-1405
Fax: (717) 851-6969
Type: Mailing
775 NORMAN DR
LEBANON, PA 170427497
Phone: (717) 272-8173
Fax: (717) 272-4029
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $244.
Total Amount is formed as General ($244) + Research ($0) + Ownership ($0) = $244.
Last reported payment date: 2024-07-11 • Largest payer in this snapshot: Ceribell, Inc. ($244).
Total Amount
$244
General + Research + Ownership
Payments
2
Total payment records
General Amount
$244
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Ceribell, Inc. | $244 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2016-01-12
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20160112001071 | I | Nurse Practitioner | PA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 17403)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | PA | |
| Nurse Practitioner | PA | |
| Nurse Practitioner | PA | |
| Internal Medicine | PA | |
| Nurse Practitioner | PA | |
| Cardiovascular Disease (Cardiology), Advanced Heart Failure And Transplant Cardiology | PA | |
| Nurse Practitioner | PA | |
| Nurse Practitioner | PA | |
| Hematology/Oncology, Medical Oncology | AR | |
| Nurse Practitioner | PA |
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