John Mark Engel, M.D.
Pediatric Ophthalmology and Strabismus Specialist Physician · East Brunswick, NJ
John Mark Engel, M.D. is a pediatric ophthalmology and strabismus specialist physician with a practice address in East Brunswick, New Jersey, and NPI 1104806553, issued on Jan 20, 2006. Check the license (New Jersey 25MA05771200, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Mark Engel
- Credential
- M.D.
- Primary taxonomy
- Pediatric Ophthalmology and Strabismus Specialist Physician 207WX0110X
- License number
- 25MA05771200 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 4 Cornwall CT, East Brunswick, NJ 08816
- Phone
- (732) 613-9191
- Enumerated
- Jan 20, 2006
- Record last updated
- Apr 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (732) 613-1139
- Medicaid ID
- 5137802 NJ
- Entity
- Type 1 · individual
4 nearest pediatric ophthalmology and strabismus specialist physician records → All 5 in New Jersey → Look up another NPI →
Also registered at 4 Cornwall CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sonia Bassily, ODVision Therapy Optometrist1013997592
- Stella Han, MDOphthalmology Physician1619957610
- Rose Hughes, ODOptometrist1851391338
- Nidhi Rana, ODVision Therapy Optometrist1437129640
- Sepideh Rousta, MDPediatric Ophthalmology and Strabismus Specialist Physician1275513277
- Nancy Sun, MDPediatric Ophthalmology and Strabismus Specialist Physician1538365408
Verify John Mark Engel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA05771200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average pediatric ophthalmology and strabismus specialist physician in 2024
11 Medicare Part D claims, against an average of 111 among the 150 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.
Pediatric Ophthalmology and Strabismus Specialist Physician providers in New Jersey
There are 5 pediatric ophthalmology and strabismus specialist physician records in New Jersey.
All 5 in New Jersey → Every provider in East Brunswick → Pediatric Ophthalmology and Strabismus Specialist Physician nationwide →
The 4 pediatric ophthalmology and strabismus specialist physician records with the nearest ZIP codes
- Sepideh Rousta, MDEast Brunswick, NJ 088161275513277
- Nancy Sun, MDEast Brunswick, NJ 088161538365408
- Ronald Minzter, M.D.Freehold, NJ 077281861587420
- Rachel Bloom, M.D.Livingston, NJ 070391669638409
Common questions
What is John Mark Engel, M.D.'s NPI number?
John Mark Engel, M.D.'s National Provider Identifier (NPI) is 1104806553, issued on Jan 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Mark Engel, M.D. located?
The NPPES record lists a practice address at 4 Cornwall CT, East Brunswick, NJ, 08816. Phone: (732) 613-9191. Providers update this record themselves, so call before visiting.
How can I verify John Mark Engel, M.D.'s license?
NPPES lists New Jersey license number 25MA05771200, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Mark Engel, M.D. prescribe under Medicare Part D?
In 2024, John Mark Engel, M.D. had 11 Medicare Part D claims; the average among pediatric ophthalmology and strabismus specialist physician prescribers was 111. 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.