Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Dr. Mark Herbert Stein, MD

Individual provider Anesthesiology Physician · NPI 1417039074

Dr. Mark Herbert Stein, MD practises Anesthesiology in Newark, New Jersey. Qualified in 1985, 41 years ago. Practices with New Brunswick Anesthesia Associates, a 32-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
41
Licensed in
NJ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

185 S Orange Ave
Newark, NJ 07103-2757
Phone: (973) 972-5007
Fax: (973) 972-0582
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 240 Easton Ave, New Brunswick, NJ 08901-1723 — (908) 519-8520

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 25MA04481300 (NJ)

Record details

NPI number1417039074
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 20, 2006
Last updated in NPPESJune 30, 2026
Certification dateJune 30, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1985 (41 years in practice)
Group practice New Brunswick Anesthesia Associates — 32 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients98
Services billed 98 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at New Brunswick Anesthesia Associates

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 32 clinicians in the practice; 12 are shown here.

Other providers in Newark