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DR. ANTHONY J TOMASSONI M.D.
NPI 1487740122
Emergency Medicine in New Haven, CT

Active since October 04, 2006PECOS EnrolledAccepts Medicare Assignment
73.56/100
CMS Quality Rating
464 CONGRESS AVE STE 260, YALE UNIVERSITY, SECTION OF EMERGENCYMEDICINE, NEW HAVEN, CT 06519(203) 785-4404(203) 785-3196 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Anthony J Tomassoni M.d. NPPES

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

DR. ANTHONY J TOMASSONI M.D. (NPI 1487740122) is an individual emergency medicine provider in New Haven, Connecticut, licensed in Connecticut (045057) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (1989).

NPPES Registry Identity

NPI1487740122
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ANTHONY J TOMASSONICredential: M.D.
Location Address464 CONGRESS AVE STE 260, YALE UNIVERSITY, SECTION OF EMERGENCYMEDICINENew Haven, CT 06519-1361
Mailing Address464 Congress Ave Ste 260, Yale University, Section Of EmergencymedicineNew Haven, CT 06519-1361 · (203) 785-4404 · Fax (203) 785-3196
Phone(203) 785-4404
Fax(203) 785-3196
Sole ProprietorYes
Medical School CMSRutgers New Jersey Medical SchoolGraduated 1989
Enumeration DateOctober 4, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1487740122 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CT · 045057✔ Licensed in ME · 014140
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedEmergency Medicine · Medical ToxicologyTaxonomy 207PT0002X · License 045057 (CT)
464 CONGRESS AVE STE 260, New Haven, CT 06519
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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. Anthony J Tomassoni M.d. 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 ID2264462753
PECOS Enrollment IDI20070711000420
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 5

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
206 services202 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
71 services69 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
60 services59 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
50 services50 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06519 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
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.

73.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.84
Promoting Interoperability74
Improvement Activities40
Cost51.43

Other Providers at the Same Location NPPES 20

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

MEGHAN ELIZABETH GWARA PA-C
Physician Assistant (Medical)
464 CONGRESS AVE STE 260
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-4404
DR. EDWARD ROBERT MELNICK M.D.
Emergency Medicine
464 CONGRESS AVE STE 260, YALE UNIV SCHOOL OF MED, DEPT OF EMERGENCY MEDICINE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 772-6664
AISHA EDITH DROZ LOPEZ MD
Emergency Medicine
464 CONGRESS AVE STE 260
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2353
SEAN P BUSH M.D.
Emergency Medicine
464 CONGRESS AVE STE 260
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (252) 917-9311
GREGORY LUKE LARKIN MD
Emergency Medicine
464 CONGRESS AVE STE 260
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2353
ZAINAB RASHEED
Physician Assistant (Medical)
464 CONGRESS AVE STE 260
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (571) 388-8353
DR. SHEEJA THOMAS MD
Emergency Medicine
464 CONGRESS AVE STE 260, YALE-NEW HAVEN HOSPITAL DEPT EMERGENCY MEDICINE
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-2353
MRS. CAITLYN MCNAMARA MCNIFF PA
Physician Assistant
464 CONGRESS AVE STE 260
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 785-4404

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 Anthony Tomassoni's NPI number?

The NPI number for Anthony Tomassoni is 1487740122. It was assigned to this individual provider in the NPPES registry on October 4, 2006.

Where is Anthony Tomassoni located?

Anthony Tomassoni practices at 464 Congress Ave Ste 260 Yale University, Section Of Emergencymedicine, New Haven, CT 06519. The listed phone number is (203) 785-4404.

What is Anthony Tomassoni's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Anthony Tomassoni enrolled in Medicare?

Yes. Anthony Tomassoni 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.

When was this NPI record last updated?

The NPPES record for Anthony Tomassoni was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.