Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Jennifer L. Tonkinson, NP

Works at hospitals in Lancaster, PA · Pennsylvania

Summary

Jennifer L. Tonkinson, NP is a nurse practitioner at 555 N Duke St, Penn Medicine Lancaster General Health Phys, Lancaster, PA 17602. Phone: (267) 857-7751. Accepts Medicare assignment. In 2024, Jennifer L. Tonkinson had 151 Original Medicare patients and 308 services. NPI 1396141214. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 555 N Duke St, Penn Medicine Lancaster General Health Phys, Lancaster, PA 17602 · Directions
  • Phone: (267) 857‑7751
  • Medicare: Accepts Medicare assignment
  • Hospital: Lancaster General Hospital
  • Group practice: Lancaster General Hospital
  • School: graduated 2014
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer L. Tonkinson, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jennifer L. Tonkinson accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer L. Tonkinson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Jennifer L. Tonkinson see?
In 2024, CMS data shows 151 Original Medicare patients and 308 services for Jennifer L. Tonkinson. This counts Original Medicare only and measures volume, not quality.
What is Jennifer L. Tonkinson's NPI number?
1396141214. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Jennifer L. Tonkinson, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients151
Services billed to Medicare308
Different services or procedures7
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)140 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)73 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)35 services
  4. Hospital discharge day management, more than 30 minutes (99239)26 services
  5. Hospital discharge day management, 30 minutes or less (99238)24 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Chronic kidney disease60%
  • Arthritis59%
  • Depression49%
  • Ischemic heart disease48%

Hospitals where Jennifer L. Tonkinson works

Medicare's Facility Affiliation Data lists Jennifer L. Tonkinson at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Jennifer L. Tonkinson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jennifer L. Tonkinson as a member of this group (CMS data updated October 2, 2026).

  • Lancaster General Hospital520 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Pennsylvania →

Other nurse practitioners in Lancaster

Clinicians with the same Medicare primary specialty in Lancaster, PA — not a recommendation.

All nurse practitioners in Lancaster →

Other clinicians in Lancaster General Hospital

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396141214
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians