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Psychologists in Hicksville, NY

Browse 12 Psychologist providers listed in NPPES with a practice address in Hicksville, New York.

12 Healthcare Providers

How Hicksville compares with the U.S.

Hicksville has 27 Psychologists per 100,000 residents, about 1.9 times the U.S. rate of 14.

That is 12 active Psychologists with a practice address in Hicksville, for a population of 43,780.

That is close to the New York rate of 25.

What these numbers mean

Clinicians per 100,000 residents compares places of different sizes. We count active clinicians who list a practice address in the area in the federal NPI registry (NPPES) and divide by the number of people who live there, according to the U.S. Census Bureau. The U.S. rate is the same calculation for the whole country.

A higher number does not mean it is easier to get an appointment, that wait times are shorter, or that care is better. It also does not show how many clinicians are accepting new patients or which insurance plans they take. A lower number does not by itself mean there is a shortage.

City counts use the city name in each clinician's practice address. That postal city can cover a larger or smaller area than the city limits the Census Bureau uses for population, and many clinicians list only one address even if they work in several places. Cities with hospitals or large medical centers often list more specialists than the number of residents alone would suggest, because patients also come from nearby areas.

Too few Psychologists in Hicksville are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026. Population: U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates, Table B01003 (Total Population).

Showing 1โ€“12 of 12 providers
With recent CMS data first, then Aโ€“Z

Dr. Marian R Panzer , PhD

Psychologist

Active NPI Status Accepts Medicare Assignment
372 S Oyster Bay Rd, Hicksville, NY 11801
Phone: 5168226460
NPI Identifier 1861522963
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Dr. Claudia Alter , PhD

Psychologist

Active NPI Status
368 S Oyster Bay Rd, Hicksville, NY 118013508
Phone: 5167212154
NPI Identifier 1598934721
View Full Profile

Dr. Tirrell De Gannes , PsyD

Psychologist

Active NPI Status
400 S Oyster Bay Rd Ste 102, Hicksville, NY 118013500
Phone: 5168188383
NPI Identifier 1336794742
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Dr. Shari Ferere , PsyD

Psychologist

Active NPI Status
400 S Oyster Bay Rd Ste 102, Hicksville, NY 118013500
Phone: 5168188383
NPI Identifier 1568973758
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Dr. David Ferrin , PsyD

Psychologist

Active NPI Status
10 Chance St, Hicksville, NY 118013708
Phone: 5169389172
NPI Identifier 1710295779
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Dr. Larry B. Gorbel , PhD

Psychologist

Active NPI Status
368 S Oyster Bay Rd, Hicksville, NY 118013508
Phone: 5168228020
NPI Identifier 1528182441
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Dr. Susan J. Hall , PhD

Psychologist

Active NPI Status
89 Cortland Ave, Hicksville, NY 118014654
Phone: 5162413183
NPI Identifier 1952650558
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Dr. Lynn Pickus , PsyD

Psychologist

Active NPI Status
376 S Oyster Bay Rd, Hicksville, NY 118013508
Phone: 5169321952
NPI Identifier 1093883373
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Dr. Miriam S Segal , PhD

Psychologist

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
368 South Oyster Bay Rd, Hicksville, NY 118013508
Phone: 5166744340
NPI Identifier 1851448203
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Dr. Karen Sherman , PhD

Psychologist

Active NPI Status
400 S Oyster Bay Rd, Hicksville, NY 118013500
Phone: 5163982987
NPI Identifier 1255464137
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Dr. Solomon Tiegerman , PhD

Psychologist

Active NPI Status
118 Jerusalem Ave, Hicksville, NY 118014906
Phone: 5169381039
NPI Identifier 1992796866
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Dr. Thomas F Vacchio , PsyD

Psychologist

Active NPI Status
400 S Oyster Bay Rd Ste 101, Hicksville, NY 118013500
Phone: 5162896910
NPI Identifier 1538810528
View Full Profile

Frequently Asked Questions about Psychologist in Hicksville

How do I check a Psychologist practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the New York licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.