DR. MARK HOWARD TANNENBAUM MD
NPI 1285613273
Ophthalmology in Newark, NJ
About Dr. Mark Howard Tannenbaum Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK HOWARD TANNENBAUM MD (NPI 1285613273) is an individual ophthalmology provider in Newark, New Jersey, licensed in New Jersey (25MA05629300) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Ny Eye And Ear Infirmary Of Mount Sinai, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1987).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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 Howard Tannenbaum 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
3Medicare enrollment records show Mark Tannenbaum reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10013
- Reassigned Medicare billing, New York enrollment
- 284 clinicians in this Medicare group
New York, NY 10016
- Reassigned Medicare billing, New York enrollment
- 10 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 155 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 5
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ny Eye And Ear Infirmary Of Mount Sinai
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Tannenbaum's NPI number?
The NPI number for Mark Tannenbaum is 1285613273. It was assigned to this individual provider in the NPPES registry on January 10, 2006. The provider is also known as Dr. Mark H Tannenbaum MD.
Where is Mark Tannenbaum located?
Mark Tannenbaum practices at Attn: Department Administrator, Ms. Tina Huang Rutgers Univ., Doc Bldg., 6th Floor, 90 Bergen Street, Newark, NJ 07103. The listed phone number is (973) 972-4781.
What is Mark Tannenbaum's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Mark Tannenbaum enrolled in Medicare?
Yes. Mark Tannenbaum 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 Tannenbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Tannenbaum reassigns Medicare benefits to 3 organizations: Chinatown True Care Medical PLLC (New York, NY), Harvey Rosenblum, MD,pc (New York, NY) and Icahn School Of Medicine At Mount Sinai (New York, NY). 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 Tannenbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Tannenbaum affiliated with any hospitals?
According to CMS data, Mark Tannenbaum is affiliated with Ny Eye And Ear Infirmary Of Mount Sinai.
When was this NPI record last updated?
The NPPES record for Mark Tannenbaum was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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 Howard Tannenbaum, MD · NPI 1285613273
Ophthalmology physician in Newark, New Jersey. Individual provider, active in the CMS NPPES registry since January 10, 2006.
## Identity
- **NPI:** 1285613273 (Entity type: Individual)
- **Enumerated:** January 10, 2006
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 25MA05629300 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** ATTN: DEPARTMENT ADMINISTRATOR, MS. TINA HUANG, RUTGERS UNIV., DOC BLDG., 6TH FLOOR, 90 BERGEN STREET, Newark, NJ 07103
- **Phone:** (973) 972-4781 · **Fax:** (973) 972-2068
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Chinatown True Care Medical PLLC (NPI 1912567884, New York, NY); Harvey Rosenblum, MD,pc (NPI 1457404733, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1437421252, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albert Einstein College Of Medicine Of Yeshiva University, class of 1987
## Record status
- **NPPES last updated:** October 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1285613273) · Data from the CMS NPPES public registry.