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Internal Medicine

Eric J. Gertner, MD

Works at hospitals in Allentown, PA · Macungie, PA · Bethlehem, PA · Pennsylvania

Summary

Eric J. Gertner, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Allentown, PA, Macungie, PA and Bethlehem, PA. NPI 1427088848. 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 Eric J. Gertner, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
34Years since medical school (graduated 1992)
Rutgers R W Johnson Medical School (cam/new Bruns/pisc)Medical school
MaleGender (as listed)
Phoenix Rehabilitation and Health Services IncGroup practice (+1 more)

Quick answers

Which hospitals does Eric J. Gertner work at?
Medicare's official clinician data lists Eric J. Gertner at 3 hospitals: Lehigh Valley Hospital, Lehigh Valley Hospital - Macungie and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Eric J. Gertner see patients?
Medicare's clinician data lists 7 practice locations, including Allentown, PA and Cranberry Twp, PA. Call before your visit to confirm the address.
What is Eric J. Gertner's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Eric J. Gertner accept Medicare assignment?
Yes. Medicare's clinician data says Eric J. Gertner 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 Eric J. Gertner offer telehealth?
Medicare's clinician data says Eric J. Gertner offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Eric J. Gertner?
(610) 402-8355, as listed in official Medicare / NPI Registry data.
What is Eric J. Gertner's NPI number?
1427088848. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Eric J. Gertner works

Medicare's Facility Affiliation Data lists Eric J. Gertner 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 Eric J. Gertner is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

  • 1200 S Cedar Crest BlvdAllentown, PA 18103
  • 1200 S Cedar Crest Blvd 3rd Fl Kasych, Lvpg Burn SurgeryAllentown, PA 18103 (610) 402‑8355
  • 1200 S Cedar Crest Blvd Fl, 1 Lvpg NephrologyAllentown, PA 18103 (610) 402‑8510
  • 1210 S Cedar Crest BlvdAllentown, PA 18103 (610) 402‑3888
  • 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066

Group practices

Medicare enrollment lists Eric J. Gertner as a member of these groups (CMS data updated 2026-10-02).

  • Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
  • Lehigh Valley Physician Group2,542 clinicians in the group

Specialties

Find other Internal Medicine doctors in Pennsylvania →

Other internal medicine doctors in Allentown

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

All internal medicine doctors in Allentown →

Clinician information

CredentialMD
Medical schoolRutgers R W Johnson Medical School (cam/new Bruns/pisc)
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1427088848
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