What is Gerald Sullivan's NPI number?

Gerald Sullivan's National Provider Identifier (NPI) is 1992921662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gerald Sullivan's specialty?

Gerald Sullivan is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).

Where is Gerald Sullivan located?

Gerald Sullivan's practice location on file with NPPES is 228 E Northwest Hwy, Palatine, IL 60067-8107.

What is Gerald Sullivan's phone number?

The practice phone number listed in the NPPES registry for Gerald Sullivan is (224) 659-2708.

Does Gerald Sullivan accept Medicare?

Gerald Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Gerald Sullivan's NPI active?

Yes — Gerald Sullivan's NPI (1992921662) is active in the NPPES registry as of the last update on 2007-07-08.

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Gerald Sullivan, PSYD

NPI 1992921662 · Clinical Psychologist · Palatine, IL

Gerald Sullivan, PSYD is a Clinical Psychologist provider in Palatine, IL (NPI 1992921662).

Provider details

NPI number: 1992921662
Entity type: Individual
Primary specialty: Clinical PsychologistBehavioral Health & Social Service Providers
Credential: PSYD
Sex: Male
Sole proprietor: Yes

Practice location

228 E Northwest Hwy

Palatine, IL 60067-8107

Phone: (224) 659-2708

Fax: (847) 577-9952

Street-level locationGet directions

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Mailing address

615 W Vine St

Arlington Heights, IL 60004-5341

Specialties & taxonomies

Clinical PsychologistPrimary103TC0700X
Behavioral Health & Social Service Providers

Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(84/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2007-04-18
Last updated: 2007-07-08

Frequently asked questions

What is Gerald Sullivan's NPI number?: Gerald Sullivan's National Provider Identifier (NPI) is 1992921662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Gerald Sullivan's specialty?: Gerald Sullivan is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
Where is Gerald Sullivan located?: Gerald Sullivan's practice location on file with NPPES is 228 E Northwest Hwy, Palatine, IL 60067-8107.
What is Gerald Sullivan's phone number?: The practice phone number listed in the NPPES registry for Gerald Sullivan is (224) 659-2708.
Does Gerald Sullivan accept Medicare?: Gerald Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Gerald Sullivan's NPI active?: Yes — Gerald Sullivan's NPI (1992921662) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions