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DR. THOMAS PAUL MEZZETTI JR. MD
NPI 1083668453
Pathology - Anatomic Pathology & Clinical Pathology in Hartford, CT

Active since May 20, 2006PECOS EnrolledAccepts Medicare Assignment
80 SEYMOUR ST, HARTFORD, CT 06115(860) 545-2866 Get Directions Write a Review

NPPES record last updated: April 1, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Thomas Paul Mezzetti Jr. Md NPPES

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

DR. THOMAS PAUL MEZZETTI JR. MD (NPI 1083668453) is an individual anatomic pathology & clinical pathology provider in Hartford, Connecticut, licensed in Connecticut (044080) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (1992).

NPPES Registry Identity

NPI1083668453
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. THOMAS PAUL MEZZETTI JR.Credential: MD
Location Address80 SEYMOUR STHartford, CT 06115-2701
Mailing Address80 Seymour St Ste 300Hartford, CT 06115-2701 · (860) 545-2866
Phone(860) 545-2866
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1992
Enumeration DateMay 20, 2006
Last NPPES UpdateApril 1, 2025
NPPES CertifiedApril 1, 2025
✔ NPI 1083668453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Licenses✔ Licensed in CT · 044080✔ Licensed in MA · 257784
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.
80 SEYMOUR ST, Hartford, CT 06115
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

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. Thomas Paul Mezzetti Jr. Md 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 ID1759392913
PECOS Enrollment IDI20060601000170
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.

Areas of Expertise CMS Part B claims 12

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
934 services455 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
193 services49 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
152 services132 patients
Pathology examination of tissue using a microscope, moderately high complexity 88307
A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.
86 services58 patients
Microscopic genetic analysis of tumor, manual 88360
Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.
56 services23 patients
Pathology examination of tissue using a microscope, moderately low complexity 88304
A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.
52 services47 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06115 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Quantitative Immunohistochemical (IHC) Evaluation of Human Epidermal Growth Factor Receptor 2 Testing (HER2) for Breast Cancer Patients
This is a measure based on whether quantitative evaluation of Human Epidermal Growth Factor Receptor 2 Testing (HER2) by immunohistochemistry (IHC) uses the system recommended in the current ASCO/CAP Guidelines for Human Epidermal Growth Factor Receptor 2…
100%27 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 2

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

LINDSAY COUGHLIN
Physician Assistant
80 SEYMOUR ST
HARTFORD, CT 06115
Capitol Planning Region (860) 545-2515
DR. ANITHA KAMATH RAO M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
80 SEYMOUR ST
HARTFORD, CT 06115
Capitol Planning Region (860) 972-2249

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 Thomas Mezzetti's NPI number?

The NPI number for Thomas Mezzetti is 1083668453. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is Thomas Mezzetti located?

Thomas Mezzetti practices at 80 Seymour St, Hartford, CT 06115. The listed phone number is (860) 545-2866.

What is Thomas Mezzetti's specialty?

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

Is Thomas Mezzetti enrolled in Medicare?

Yes. Thomas Mezzetti 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.

What insurance does Thomas Mezzetti accept?

Health plans from Oscar Insurance Company list Thomas Mezzetti 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 Thomas Mezzetti was last updated on April 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.