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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM ROBERT GESZTES MD, MSC
NPI 1477016582
Pathology - Anatomic Pathology & Clinical Pathology in Wethersfield, CT

Active since April 08, 2019PECOS EnrolledAccepts Medicare Assignment
1290 SILAS DEANE HWY STE 101, WETHERSFIELD, CT 06109(860) 859-9061(860) 889-6200 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 7, 2026, Apr 8, 2019 (2 updates tracked since 2019).

About Dr. William Robert Gesztes Md, Msc NPPES

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

DR. WILLIAM ROBERT GESZTES MD, MSC (NPI 1477016582) is an individual anatomic pathology & clinical pathology provider in Wethersfield, Connecticut, licensed in Connecticut (85990) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Northern Westchester Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1477016582
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. WILLIAM ROBERT GESZTESCredential: MD, MSC
Location Address1290 SILAS DEANE HWY STE 101Wethersfield, CT 06109-4337
Mailing Address198 Halpine Rd Apt 1350Rockville, MD 20852-7622 · (240) 406-2848
Phone(860) 859-9061
Fax(860) 889-6200
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateApril 8, 2019
Last NPPES UpdateJuly 7, 20262 updates tracked since enumeration
NPPES CertifiedJuly 7, 2026
✔ NPI 1477016582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in CT · 85990
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1290 SILAS DEANE HWY STE 101, Wethersfield, CT 06109
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William Robert Gesztes Md, Msc 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 ID6002316627
PECOS Enrollment IDI20250826004423
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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northern Westchester Hospital

Acute Care Hospitals · Mount Kisco, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330162
Location400 East Main StreetMount Kisco, NY 10549 · Westchester County
Emergency services Birthing friendly

Phelps Hospital

Acute Care Hospitals · Sleepy Hollow, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330261
Location701 N BroadwaySleepy Hollow, NY 10591 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06109 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SAMUEL JAMES BALLENTINE MD
Pathology (Anatomic Pathology & Clinical Pathology)
1290 SILAS DEANE HWY STE 101
WETHERSFIELD, CT 06109
Capitol Planning Region (860) 859-9061

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 William Gesztes's NPI number?

The NPI number for William Gesztes is 1477016582. It was assigned to this individual provider in the NPPES registry on April 8, 2019.

Where is William Gesztes located?

William Gesztes practices at 1290 Silas Deane Hwy Ste 101, Wethersfield, CT 06109. The listed phone number is (860) 859-9061.

What is William Gesztes's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is William Gesztes enrolled in Medicare?

Yes. William Gesztes 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.

Is William Gesztes affiliated with any hospitals?

According to CMS data, William Gesztes is affiliated with Northern Westchester Hospital and Phelps Hospital.

When was this NPI record last updated?

The NPPES record for William Gesztes was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.