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Pathology

Frederick B. Johnson Ii, MD

Works at hospitals in West Chester, PA · Philadelphia, PA · Voorhees, NJ · Pennsylvania, New Jersey

Summary

Frederick B. Johnson Ii, MD (Pathology) is listed by Medicare at 5 hospitals in West Chester, PA, Philadelphia, PA and Voorhees, NJ. NPI 1962446872. 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 Frederick B. Johnson Ii, 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

PathologyPrimary specialty
YesAccepts Medicare assignment
31Years since medical school (graduated 1995)
Stanford University School Of MedicineMedical school
MaleGender (as listed)
University of Penn - Medical GroupGroup practice

Quick answers

Which hospitals does Frederick B. Johnson Ii work at?
Medicare's official clinician data lists Frederick B. Johnson Ii at 5 hospitals: Chester County Hospital, Hospital of Univ of Pennsylvania, Penn Presbyterian Medical Center, Pennsylvania Hospital and West Jersey Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Frederick B. Johnson Ii see patients?
Medicare's clinician data lists 1 practice location in Philadelphia, PA. Call before your visit to confirm the address.
What is Frederick B. Johnson Ii's specialty?
Medicare lists Pathology as the primary specialty.
Does Frederick B. Johnson Ii accept Medicare assignment?
Yes. Medicare's clinician data says Frederick B. Johnson Ii 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 Frederick B. Johnson Ii?
(215) 662-6503, as listed in official Medicare / NPI Registry data.
What is Frederick B. Johnson Ii's NPI number?
1962446872. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Frederick B. Johnson Ii works

Medicare's Facility Affiliation Data lists Frederick B. Johnson Ii 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 Frederick B. Johnson Ii is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • University of Penn - Medical Group3,505 clinicians in the group

Specialties

Find other Pathology doctors in Pennsylvania →

Other pathologists in Philadelphia

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

All pathologists in Philadelphia →

Clinician information

CredentialMD
Medical schoolStanford University School Of Medicine
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1962446872
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