Quick answers
- Which hospitals does Erwin J. Oei work at?
- Medicare's official clinician data lists Erwin J. Oei at 5 hospitals: Ahs Hospital Corp, Chilton Medical Center, Morristown Medical Center, Newton Medical Center and Overlook Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Erwin J. Oei see patients?
- Medicare's clinician data lists 4 practice locations, including Morristown, NJ, Bridgewater, NJ and Rockaway, NJ. Call before your visit to confirm the address.
- What is Erwin J. Oei's specialty?
- Medicare lists Pulmonary Disease as the primary specialty.
- Does Erwin J. Oei accept Medicare assignment?
- Yes. Medicare's clinician data says Erwin J. Oei 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 Erwin J. Oei offer telehealth?
- Medicare's clinician data says Erwin J. Oei offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Erwin J. Oei?
- (973) 971-5596, as listed in official Medicare / NPI Registry data.
- What is Erwin J. Oei's NPI number?
- 1659373421. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Erwin J. Oei works
Medicare's Facility Affiliation Data lists Erwin J. Oei at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ahs Hospital CorpHackettstown, NJ · Acute Care Hospital · CCN 310115
- Chilton Medical CenterPompton Plains, NJ · Acute Care Hospital · CCN 310017
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · CCN 310015
- Newton Medical CenterNewton, NJ · Acute Care Hospital · CCN 310028
- Overlook Medical CenterSummit, NJ · Acute Care Hospital · CCN 310051
Practice locations
Addresses where Erwin J. Oei is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Madison AveMorristown, NJ 07960 (973) 971‑5596
- 1125 US Hwy 22, Suite 170Bridgewater, NJ 08807 (908) 947‑7011
- 333 Mount Hope AveRockaway, NJ 07866
- 8 Saddle RdCedar Knolls, NJ 07927 (908) 934‑0555
Group practices
Medicare enrollment lists Erwin J. Oei as a member of this group (CMS data updated 2026-10-02).
- Practice Associates Medical Group1,408 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Morristown
Clinicians with the same Medicare primary specialty in Morristown, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers R W Johnson Medical School (cam/new Bruns/pisc) |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1659373421 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians