DR. MARK HERBERT STEIN MD
NPI 1417039074
Anesthesiology in Newark, NJ
About Dr. Mark Herbert Stein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK HERBERT STEIN MD (NPI 1417039074) is an individual anesthesiology provider in Newark, New Jersey, licensed in New Jersey (25MA04481300) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in New Brunswick, and is a graduate of Other (1985).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mark Herbert Stein Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Mark Stein reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, NJ 07103
- Reassigned Medicare billing, New Jersey enrollment
- 57 clinicians in this Medicare group
Piscataway, NJ 08854
- Reassigned Medicare billing, New Jersey enrollment
- 641 clinicians in this Medicare group
New Brunswick, NJ 08901
- Reassigned Medicare billing, New Jersey enrollment
- 492 clinicians in this Medicare group
New Brunswick, NJ 08901
- Reassigned Medicare billing, New Jersey enrollment
- 41 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEWARK, NJ 07103
NEWARK, NJ 07103
NEWARK, NJ 07103
NEWARK, NJ 07103
NEWARK, NJ 07103
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Stein's NPI number?
The NPI number for Mark Stein is 1417039074. It was assigned to this individual provider in the NPPES registry on October 20, 2006.
Where is Mark Stein located?
Mark Stein practices at 185 S Orange Ave, Newark, NJ 07103. The listed phone number is (973) 972-5007.
What is Mark Stein's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Stein enrolled in Medicare?
Yes. Mark Stein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mark Stein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Stein reassigns Medicare benefits to 4 organizations: University Physician Associates Of New Jersey Inc (Newark, NJ), Rutgers Health-Rwj Scleroderma Program (Piscataway, NJ), Rutgers Health-Rwj Pediatric Critical Care (New Brunswick, NJ) and New Brunswick Anesthesia Associates (New Brunswick, NJ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Stein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Stein accept?
Health plans from Oscar Health list Mark Stein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mark Stein was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Mark Herbert Stein, MD · NPI 1417039074
Anesthesiology physician in Newark, New Jersey. Individual provider, active in the CMS NPPES registry since October 20, 2006.
## Identity
- **NPI:** 1417039074 (Entity type: Individual)
- **Enumerated:** October 20, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 25MA04481300 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 185 S ORANGE AVE, Newark, NJ 07103-2757
- **Phone:** (973) 972-5007 · **Fax:** (973) 972-0582
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): University Physician Associates Of New Jersey Inc (NPI 1225048820, Newark, NJ); Rutgers Health-Rwj Scleroderma Program (NPI 1316222664, Piscataway, NJ); Rutgers Health-Rwj Pediatric Critical Care (NPI 1063420776, New Brunswick, NJ); New Brunswick Anesthesia Associates (NPI 1427702117, New Brunswick, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1985
## Record status
- **NPPES last updated:** June 30, 2026
- **Other identifiers:** Medicaid 2060205 (NJ)
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Source: [NPI Profile](https://npiprofile.com/npi/1417039074) · Data from the CMS NPPES public registry.