DR. MARKO S HERCEG (PH.D.) – Clinical Neuropsychologist, NPI 1275519407

DR. MARKO S HERCEG (PH.D.) is a healthcare provider. based in Norwalk, Connecticut. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PH.D.. They hold a License No. 014306-01 (NY). The NPI Number for DR. MARKO S HERCEG (PH.D.) is 1275519407

Main info

Male
29 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARKO S HERCEG (PH.D.)
NPI
1275519407
Phone
(203) 855-9691
Address
111 EAST AVE
Enumeration Date
20 December 2005
Last Update Date
11 January 2021

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2128518100
Graduation Year
1997 (29 years ago)
PAC ID
3476448689
Group Practice PAC ID
3072404888
Professional Enrollment ID
I20101025000082
Address ID
NY100193878NE156XXSTXX402
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience82
Completeness75
Years active:20State licenses:3Digital endpointsOther names

586 CLINICAL PSYCHOLOGIST in CT

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Provider Addresses for DR. MARKO S HERCEG (PH.D.)

  • 111, East Avenue, East Norwalk, Norwalk, Fairfield County, Connecticut, 06851, United States

    SUITE 313

    NORWALK, CT 068515014

    Phone: (203) 855-9691

    Fax: (203) 855-7743

    Type: Mailing

  • 761, Main Avenue, Norwalk, Fairfield County, Connecticut, 06851, United States

    NORWALK, CT 06851

    Phone: (203) 855-9691

    Fax: (203) 855-7743

    Type: Location

  • 90 N BROADWAY STE 207

    IRVINGTON, NY 105333200

    Phone: (914) 419-3936

    Type: Mailing

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: 2010-10-25

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
I20101025000082IClinical PsychologistNYTBD

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 06851)

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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: 3072404888View full group profile
NameSpecialtyState
Mental Health CounselorNY
-NY
Clinical PsychologistNY
Clinical PsychologistNY
Clinical PsychologistNY
Clinical PsychologistPR
Clinical PsychologistNY
Clinical Social WorkerNY
-NY
Clinical PsychologistNY

Reviews

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Frequently asked questions

Can I cross-check DR. MARKO S HERCEG (PH.D.) using NPI 1275519407?
NPI 1275519407 belongs to DR. MARKO S HERCEG (PH.D.); compare other details if you need extra assurance.
Would DR. MARKO S HERCEG (PH.D.) appear as active to a payer?
You can treat DR. MARKO S HERCEG (PH.D.) as active for directory purposes; confirm clinical privileges separately.
What area of care is associated with DR. MARKO S HERCEG (PH.D.)?
DR. MARKO S HERCEG (PH.D.)'s record emphasizes Clinical Neuropsychologist. Clinical services aligned with this taxonomy classification.
Is DR. MARKO S HERCEG (PH.D.) located near Norwalk?
DR. MARKO S HERCEG (PH.D.) currently maps to Norwalk, Connecticut in this extract.
What does 4 location(s) imply?
4 practice locations appear in the available data.

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