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Hematology/Oncology

Timothy Johnson, DO

Works at hospitals in Lancaster, PA · Pennsylvania

Summary

Timothy Johnson, DO (Hematology/Oncology) is listed by Medicare at 1 hospital in Lancaster, PA. NPI 1154980613. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Timothy Johnson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
MaleGender (as listed)
Lancaster General Medical GroupGroup practice

Quick answers

Which hospitals does Timothy Johnson work at?
Medicare's official clinician data lists Timothy Johnson at 1 hospital: Lancaster General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Timothy Johnson see patients?
Medicare's clinician data lists 1 practice location in Lancaster, PA. Call before your visit to confirm the address.
What is Timothy Johnson's specialty?
Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
Does Timothy Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Timothy Johnson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Timothy Johnson?
(717) 544-9400, as listed in official Medicare / NPI Registry data.
What is Timothy Johnson's NPI number?
1154980613. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Timothy Johnson works

Medicare's Facility Affiliation Data lists Timothy Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Timothy Johnson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Timothy Johnson as a member of this group (CMS data updated 2026-10-02).

  • Lancaster General Medical Group586 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Pennsylvania →

Other hematologist-oncologists in Lancaster

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

All hematologist-oncologists in Lancaster →

Clinician information

CredentialDO
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154980613
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians