DR. MARKO S HERCEG PH.D.
NPI 1275519407
Clinical Neuropsychologist in Irvington, NY

Q: What is Marko Herceg's NPI number?

The NPI number for Marko Herceg is 1275519407. It was assigned to this individual provider in the NPPES registry on December 20, 2005. The provider is also known as Dr. Mark S Herceg Ph.D..

Q: What is Marko Herceg's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Q: When was this NPI record last updated?

The NPPES record for Marko Herceg was last updated on January 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since December 20, 2005PECOS EnrolledAccepts Medicare Assignment

90 N BROADWAY STE 207, IRVINGTON, NY 10533(914) 419-3936(914) 419-3936 Get Directions Write a Review

NPPES record last updated: January 11, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 11, 2021, May 17, 2017 (2 updates tracked since 2017).

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About Dr. Marko S Herceg Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARKO S HERCEG PH.D. (NPI 1275519407) is an individual clinical neuropsychologist in Irvington, New York, licensed in New York (0143061) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1275519407

Entity TypeIndividualMale

Primary Taxonomy103G00000X

Provider Legal NameDR. MARKO S HERCEGCredential: PH.D.

Location Address90 N BROADWAY STE 207Irvington, NY 10533-3200

Mailing Address90 N Broadway Ste 207Irvington, NY 10533-3200 · (914) 419-3936

Phone(914) 419-3936

Fax(914) 419-3936

Sole ProprietorNo

Medical School CMSOtherGraduated 1997

Enumeration DateDecember 20, 2005

Last NPPES UpdateJanuary 11, 20212 updates tracked since enumeration

NPPES CertifiedJanuary 11, 2021

✔ NPI 1275519407 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers

Taxonomy Code103G00000X

Licenses✔ Licensed in NY · 0143061✔ Licensed in CT · 002541✔ Licensed in NY · 014306-01

Definition

A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

Also ListedPsychologist · RehabilitationTaxonomy 103TR0400X · License 002541 (CT)

90 N BROADWAY STE 207, Irvington, NY 10533

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Other Names 1

Other Name (5)Dr. Mark S Herceg Ph.d.

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. Marko S Herceg Ph.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.

PECOS PAC ID3476448689

PECOS Enrollment IDI20101025000082

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Marko Herceg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

New York Brain & Spine Surgery PC

17 mi

Neurological Surgery

4 WESTCHESTER PARK DR
West Harrison, NY 10604

Reassigned Medicare billing, New York enrollment
3 clinicians in this Medicare group

NPI 1750084323 (914) 948-0351

Clinical Psychassociates LLP

34 mi

Clinical

1776 BROADWAY STE 200
New York, NY 10019

Reassigned Medicare billing, New York enrollment
36 clinicians in this Medicare group

NPI 1124051925 (212) 851-8100

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 2

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.

Psychotherapy, 45 minutes 90834

Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.

53 services17 patients

Psychiatric diagnostic evaluation 90791

A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.

46 services46 patients

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 Marko Herceg's NPI number?

The NPI number for Marko Herceg is 1275519407. It was assigned to this individual provider in the NPPES registry on December 20, 2005. The provider is also known as Dr. Mark S Herceg Ph.D..

Where is Marko Herceg located?

Marko Herceg practices at 90 N Broadway Ste 207, Irvington, NY 10533. The listed phone number is (914) 419-3936.

What is Marko Herceg's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Marko Herceg enrolled in Medicare?

Yes. Marko Herceg 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 organizations bill Medicare for Marko Herceg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marko Herceg reassigns Medicare benefits to 2 organizations: New York Brain & Spine Surgery PC (West Harrison, NY) and Clinical Psychassociates LLP (New York, NY). Each 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 Marko Herceg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marko Herceg was last updated on January 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.