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Rheumatology

Chris T. Derk, MD

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

Summary

Chris T. Derk, MD (Rheumatology) is listed by Medicare at 5 hospitals in West Chester, PA, Philadelphia, PA and Somers Point, NJ. NPI 1609899210. 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 Chris T. Derk, 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

RheumatologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
32Years since medical school (graduated 1994)
Jefferson Medical College Of Thomas Jefferson UniversityMedical school
MaleGender (as listed)
University of Penn - Medical GroupGroup practice

Quick answers

Which hospitals does Chris T. Derk work at?
Medicare's official clinician data lists Chris T. Derk at 5 hospitals: Chester County Hospital, Hospital of Univ of Pennsylvania, Penn Presbyterian Medical Center, Pennsylvania Hospital and Shore Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Chris T. Derk see patients?
Medicare's clinician data lists 1 practice location in Philadelphia, PA. Call before your visit to confirm the address.
What is Chris T. Derk's specialty?
Medicare lists Rheumatology as the primary specialty.
Does Chris T. Derk accept Medicare assignment?
Yes. Medicare's clinician data says Chris T. Derk 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.
Does Chris T. Derk offer telehealth?
Medicare's clinician data says Chris T. Derk offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Chris T. Derk?
(215) 662-2454, as listed in official Medicare / NPI Registry data.
What is Chris T. Derk's NPI number?
1609899210. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Chris T. Derk works

Medicare's Facility Affiliation Data lists Chris T. Derk 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 Chris T. Derk is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Chris T. Derk 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 Rheumatology doctors in Pennsylvania →

Other rheumatologists in Philadelphia

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

All rheumatologists in Philadelphia →

Clinician information

CredentialMD
Medical schoolJefferson Medical College Of Thomas Jefferson University
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1609899210
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