DR. KRISTEN HOPE DEMERTZIS PH.D.
NPI 1265675359
Psychologist - Clinical in Manhasset, NY

Q: What is Kristen Demertzis's NPI number?

The NPI number for Kristen Demertzis is 1265675359. It was assigned to this individual provider in the NPPES registry on April 20, 2009.

Q: What is Kristen Demertzis's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Kristen Demertzis was last updated on April 20, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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 April 20, 2009PECOS Enrolled

1554 NORTHERN BLVD., TRANSITIONS, 3RD FLOOR, MANHASSET, NY 11030(516) 719-3700(516) 365-4748 Get Directions Write a Review

NPPES record last updated: April 20, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Kristen Hope Demertzis Ph.d. NPPES

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

DR. KRISTEN HOPE DEMERTZIS PH.D. (NPI 1265675359) is an individual clinical provider in Manhasset, New York, licensed in New York (018050) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265675359

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. KRISTEN HOPE DEMERTZISCredential: PH.D.

Location Address1554 NORTHERN BLVD., TRANSITIONS, 3RD FLOORManhasset, NY 11030-3006

Mailing AddressP.o. Box 1134Syosset, NY 11791-0489 · (516) 719-3700 · Fax (516) 365-4748

Phone(516) 719-3700

Fax(516) 365-4748

Sole ProprietorNo

Enumeration DateApril 20, 2009

✔ NPI 1265675359 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in NY · 018050

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Also ListedClinical NeuropsychologistTaxonomy 103G00000X · License 018050 (NY)

1554 NORTHERN BLVD., Manhasset, NY 11030

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kristen Hope Demertzis Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$203.53 typical visit price

range $67.40 – $203.53

Typical copayment $50.88 (range $16.85 – $50.88)

Most-billed visit code 99205

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Kristen Demertzis's NPI number?

The NPI number for Kristen Demertzis is 1265675359. It was assigned to this individual provider in the NPPES registry on April 20, 2009.

Where is Kristen Demertzis located?

Kristen Demertzis practices at 1554 Northern Blvd. Transitions, 3rd Floor, Manhasset, NY 11030. The listed phone number is (516) 719-3700.

What is Kristen Demertzis's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Kristen Demertzis enrolled in Medicare?

Yes. Kristen Demertzis is registered in the Medicare PECOS enrollment system.

What insurance does Kristen Demertzis accept?

Health plans from Providence Health Plan list Kristen Demertzis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kristen Demertzis was last updated on April 20, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.