JOHN MARK ENGEL (M.D.) – Pediatric Ophthalmology and Strabismus Specialist Physician, NPI 1104806553

JOHN MARK ENGEL (M.D.) is a healthcare provider. based in East brunswick, New Jersey. specializing in Pediatric Ophthalmology and Strabismus Specialist Physician. They hold the professional credentials M.D.. They hold a License No. 25MA05771200 (NJ). The NPI Number for JOHN MARK ENGEL (M.D.) is 1104806553

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
JOHN MARK ENGEL (M.D.)
NPI
1104806553
Phone
(732) 613-9191
Address
4 CORNWALL CT
Enumeration Date
20 January 2006
Last Update Date
20 April 2020

Doctor Profile

Medical School Name
LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Secondary Phone
7326139191
Graduation Year
1986 (40 years ago)
PAC ID
7618164500
Group Practice PAC ID
5991992786
Professional Enrollment ID
I20101206000774
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for JOHN MARK ENGEL (M.D.)

  • 4, Cornwall Court, East Brunswick Township, Middlesex County, New Jersey, 08816, United States

    EAST BRUNSWICK, NJ 088163331

    Phone: (732) 613-9191

    Fax: (732) 613-1139

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-12-03

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20101203000860IOphthalmologyPATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 08816)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5991992786View full group profile
NameSpecialtyState
O P H T H A L M O L O G YNJ
O P H T H A L M O L O G YNJ

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Frequently asked questions

Where can patients find JOHN MARK ENGEL (M.D.)'s NPI?
You can confirm JOHN MARK ENGEL (M.D.) with NPI 1104806553; it appears in the national provider directory.
Is JOHN MARK ENGEL (M.D.)'s NPI currently valid?
The extract we use shows JOHN MARK ENGEL (M.D.) as active.
Can you summarize JOHN MARK ENGEL (M.D.)'s specialty in plain language?
Clinically, the directory lists JOHN MARK ENGEL (M.D.) with Pediatric Ophthalmology and Strabismus Specialist Physician. Clinical services aligned with this taxonomy classification.
What location metadata exists for JOHN MARK ENGEL (M.D.)?
The page summarizes East Brunswick, New Jersey for JOHN MARK ENGEL (M.D.); expand the address list for detail.
What if East Brunswick, New Jersey seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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