DR. MARK A HORWITZ O.D.
NPI 1104929314
Optometrist in Passaic, NJ
About Dr. Mark A Horwitz O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK A HORWITZ O.D. (NPI 1104929314) is an individual optometrist in Passaic, New Jersey, licensed in New Jersey (27OA00550700) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of New York - State College Optometry (1997).
NPPES Registry Identity
Specialties & Licenses
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 A Horwitz O.d. 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 Reassignment
Medicare enrollment records show Mark Horwitz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Passaic, NJ 07055
- Reassigned Medicare billing, New Jersey enrollment
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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07055 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Horwitz's NPI number?
The NPI number for Mark Horwitz is 1104929314. It was assigned to this individual provider in the NPPES registry on September 6, 2006.
Where is Mark Horwitz located?
Mark Horwitz practices at 124 Main Ave Fl 1, Passaic, NJ 07055. The listed phone number is (973) 916-5050.
What is Mark Horwitz's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Mark Horwitz enrolled in Medicare?
Yes. Mark Horwitz 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 organization bills Medicare for Mark Horwitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Horwitz reassigns Medicare benefits to Family Eye Center, P.A. (Passaic, NJ). The 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 Horwitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Horwitz accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and BlueCross BlueShield of Tennessee and 8 other insurers list Mark Horwitz 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 Horwitz was last updated on November 1, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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 A Horwitz, O.D. · NPI 1104929314
Optometrist provider in Passaic, New Jersey. Individual provider, active in the CMS NPPES registry since September 6, 2006.
## Identity
- **NPI:** 1104929314 (Entity type: Individual)
- **Enumerated:** September 6, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 27OA00550700 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 124 MAIN AVE FL 1, Passaic, NJ 07055-4427
- **Phone:** (973) 916-5050
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Family Eye Center, P.A. (NPI 1164576732, Passaic, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York - State College Optometry, class of 1997
## Record status
- **NPPES last updated:** November 1, 2007
- **Other identifiers:** Medicare UPIN U91191 (NJ)
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Source: [NPI Profile](https://npiprofile.com/npi/1104929314) · Data from the CMS NPPES public registry.