Active NPI 1194197731 Individual Practitioner Female Practitioner

Heather Lynn Diffendall , CRNP

Nurse Practitioner - Gerontology • Lebanon, PA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Heather Diffendall, CRNP is a certified Nurse Practitioner - Gerontology practicing in Lebanon, PA. With approximately 11 years of clinical experience since completing medical education in 2015, Heather Diffendall delivers high-quality medical care to the local community at 775 NORMAN DR.

Heather Diffendall maintains professional affiliations with Good Samaritan Physician Services, Wellspan Medical Group and accepts Medicare assignment.

Frequently performed procedures and clinical services include insertion of non-tunneled central venous tube for infusion (5 years or older), established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

775 Norman Dr

Lebanon, PA 170427497

Telephone 7172728173

Fax 7172724029

Associated Practice Facility / Clinic

🏢 Ewing & Morris, P.c. Facility NPI 1881610442

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner - Gerontology in Lebanon, PA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

11 Yrs +4.8 yrs vs City Avg

City Avg: 6.2 Yrs

State Avg: 7.6 Yrs

Regional Practice Density

8 Specialists

Practicing in Lebanon, PA (595 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

82.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Diffendall (11 Years) 11 Yrs

Lebanon Specialty Average (6.2 Years) 6.2 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older)	11	11	$421.00	$72.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	17	$210.00	$88.26
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	15	12	$142.00	$61.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	14	$210.00	$65.75
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	21	13	$142.00	$61.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99497 Advance care planning, first 30 minutes	59	59	$172.00	$68.16
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	40	40	$259.00	$141.18
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	34	29	$142.00	$60.14
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	33	33	$259.00	$95.57

Medical Specialties & State Licenses

CMS Verified: 2026-05-06

Nurse Practitioner - Gerontology Primary Specialty

NUCC Taxonomy Code: 363LG0600X

State License PA SP015445

Definition to come...

Nurse Practitioner - Gerontology

NUCC Taxonomy Code: 363LG0600X

State License PA MD3716339

Definition to come...

Hospital & Practice Group Affiliations

Good Samaritan Physician Services

169 Martin Ave, Ephrata, PA 175221734

Phone: 7177386753

Wellspan Medical Group

1001 S George St 2nd Floor, York, PA 174033676

Phone: 7178512465

Secondary Practice Locations

169 Martin Ave

Ephrata, PA 175221734

Phone: 7177386753

252 S 4th St

Lebanon, PA 170426111

Phone: 7176393150

1001 S George St

York, PA 174033676

Phone: 7178513467

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

12 Associated Practitioners

Melissa Baldwin , CRNP

Nurse Practitioner - Gerontology

NPI 1114467347

Certified Registered Nurse Practitioner

Vivian Henry , CRNP

Nurse Practitioner

NPI 1265967616

Certified Registered Nurse Practitioner

Catherine Waselkov , CRNP

Nurse Practitioner - Critical Care Medicine

NPI 1306464847

Certified Registered Nurse Practitioner

Bobbi Pritchard , CRNP

Nurse Practitioner - Acute Care

NPI 1346780640

Certified Registered Nurse Practitioner

Christopher Breen

Internal Medicine - Pulmonary Disease

NPI 1396160313

Dr. Raymond Beatty , DO

Internal Medicine - Critical Care Medicine

NPI 1467474692

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

14 Historical Events

📍

Updated Practice Location April 03, 2026

Registered at 775 NORMAN DR, LEBANON, PA 170427497 (Tel: 7172728173)

📍

Updated Business Mailing Address July 08, 2024

Registered at 601 MEMORY LN, YORK, PA 174022231 (Tel: 7178511405)

📍

Updated Practice Location May 10, 2021

Registered at 850 TUCK ST, LEBANON, PA 170427477 (Tel: 7172728173)

📍

Updated Business Mailing Address May 10, 2021

Registered at 3421 CONCORD RD, YORK, PA 174029001 (Tel: 7172728173)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 10, 2021

Nurse Practitioner (License #SP015445 in PA)

📍

Updated Practice Location October 17, 2019

Registered at 1001 S GEORGE ST FL 2, YORK, PA 17403 (Tel: 7178512465)

📍

Updated Business Mailing Address October 17, 2019

Registered at 1001 S GEORGE ST FL 2, YORK, PA 174033676 (Tel: 7178512465)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 17, 2019

Nurse Practitioner (License #MD3716339 in PA)

✅

NPI Profile Active October 22, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location October 22, 2015

Registered at 217 HARRISBURG AVE, LANCASTER, PA 176032964 (Tel: 7175448300)

📍

Updated Business Mailing Address October 22, 2015

Registered at 217 HARRISBURG AVE, LANCASTER, PA 176032964 (Tel: 7175448300)

👤

Provider Name / Credentials Updated October 22, 2015

Recorded as HEATHER DIFFENDALL, CRNP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 22, 2015

Nurse Practitioner (License #SP015445 in PA)

🟢

Initial NPI Registration & Enumeration October 22, 2015

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1194197731

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 22, 2015

Last Update: May 06, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

601 Memory Ln

York, PA 174022231

Phone: 7178511405

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.