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Gastroenterology

Carl B. Wallach, MD

Works at hospitals in Hackettstown, NJ · Morristown, NJ · New Jersey

Summary

Carl B. Wallach, MD (Gastroenterology) is listed by Medicare at 2 hospitals in Hackettstown, NJ and Morristown, NJ. NPI 1962593947. 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 Carl B. Wallach, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
41Years since medical school (graduated 1985)
University Of Miami, Lm Miller School Of MedicineMedical school
MaleGender (as listed)
Barnabas Health MultispecialtyGroup practice

Quick answers

Which hospitals does Carl B. Wallach work at?
Medicare's official clinician data lists Carl B. Wallach at 2 hospitals: Ahs Hospital Corp and Morristown Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Carl B. Wallach see patients?
Medicare's clinician data lists 2 practice locations, including Morristown, NJ and West Orange, NJ. Call before your visit to confirm the address.
What is Carl B. Wallach's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Carl B. Wallach accept Medicare assignment?
Yes. Medicare's clinician data says Carl B. Wallach 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 Carl B. Wallach offer telehealth?
Medicare's clinician data says Carl B. Wallach offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Carl B. Wallach?
(973) 731-4600, as listed in official Medicare / NPI Registry data.
What is Carl B. Wallach's NPI number?
1962593947. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Carl B. Wallach works

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

  • 101 Madison AveMorristown, NJ 07960
  • 101 Old Short Hills Rd, Suite 217West Orange, NJ 07052 (973) 731‑4600

Group practices

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

  • Barnabas Health Multispecialty23 clinicians in the group

Specialties

Find other Gastroenterology doctors in New Jersey →

Other gastroenterologists in Morristown

Clinicians with the same Medicare primary specialty in Morristown, NJ — not a recommendation.

All gastroenterologists in Morristown →

Clinician information

CredentialMD
Medical schoolUniversity Of Miami, Lm Miller School Of Medicine
Graduation year1985
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1962593947
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