Mark A. Horwitz, O.D.
Optometrist · Passaic, NJ
Mark A. Horwitz, O.D. is an optometrist with a practice address in Passaic, New Jersey, and NPI 1104929314, issued on Sep 6, 2006. Check the license (New Jersey 27OA00550700, as entered in NPPES) with the New Jersey board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark A. Horwitz
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 27OA00550700 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 124 Main Ave FL 1, Passaic, NJ 07055
- Phone
- (973) 916-5050
- Enumerated
- Sep 6, 2006
- Record last updated
- Nov 1, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050803001005); accepts Medicare assignment
- Medical or professional school
- State University Of New York - State College Optometry, 1997
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,542 in New Jersey → Look up another NPI →
Verify Mark A. Horwitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 27OA00550700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average optometrist in 2024
13 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Mark A. Horwitz among 1,542 optometrist records in New Jersey
Mark A. Horwitz, O.D. is one of 1,542 optometrist records with a practice address in New Jersey. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 58% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1997 · median 2006 among the 906 with a school on file
- Record last updated2007 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in New Jersey
There are 1,542 optometrist records in New Jersey.
All 1,542 in New Jersey → Every provider in Passaic → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jennifer Ariola, O.D.Passaic, NJ 070551154393338
- Alyson Escalona, ODPassaic, NJ 070551962989632
- Janelle Tertullien-McDonaldPassaic, NJ 070551235547126
- Natalie Velazquez, O.D.Passaic, NJ 070551235239591
- Eric Waldman, ODPasaic, NJ 070551851361968
- Steven Zalaznick, O.D.Passaic, NJ 070551366418543
- Julia Berry, O.D., PH.D.Parsippany, NJ 070541477681740
- Sheldon Greenspan, O.D.Parsippany, NJ 070541346243193
Common questions
What is Mark A. Horwitz, O.D.'s NPI number?
Mark A. Horwitz, O.D.'s National Provider Identifier (NPI) is 1104929314, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Horwitz, O.D. located?
The NPPES record lists a practice address at 124 Main Ave FL 1, Passaic, NJ, 07055. Phone: (973) 916-5050. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Horwitz, O.D.'s license?
NPPES lists New Jersey license number 27OA00550700, as entered by the provider. Search the New Jersey board that licenses this profession; the NPPES record confirms identity only.
How much does Mark A. Horwitz, O.D. prescribe under Medicare Part D?
In 2024, Mark A. Horwitz, O.D. had 13 Medicare Part D claims; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.