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

MELISSA HAZLITT M.D.
NPI 1366854275
Emergency Medicine in New Haven, CT

Active since May 27, 2014PECOS EnrolledAccepts Medicare Assignment
99.19/100
CMS Quality Rating
20 YORK ST, NEW HAVEN, CT 06510(203) 688-4242 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, Oct 12, 2020, Mar 13, 2018 (3 updates tracked since 2018).

About Melissa Hazlitt M.d. NPPES

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

MELISSA HAZLITT M.D. (NPI 1366854275) is an individual emergency medicine provider in New Haven, Connecticut, licensed in New York (293907) and active in the NPI registry since May 2014. She is enrolled in Medicare PECOS, is affiliated with Vassar Brothers Medical Center, and is a graduate of Meharry Medical College School Of Medicine (2014).

NPPES Registry Identity

NPI1366854275
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameMELISSA HAZLITTCredential: M.D.
Location Address20 YORK STNew Haven, CT 06510-3220
Mailing Address464 Congress AveNew Haven, CT 06519-1361 · (203) 785-5174
Sole ProprietorYes
Medical School CMSMeharry Medical College School Of MedicineGraduated 2014
Enumeration DateMay 27, 2014
Last NPPES UpdateJuly 7, 20263 updates tracked since enumeration
NPPES CertifiedJuly 7, 2026
NPI 1366854275 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 NY · 293907 Licensed in MA · 1026303 Licensed in CT · 56700
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.
20 YORK ST, New Haven, CT 06510

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

Melissa Hazlitt 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 ID6901118009
PECOS Enrollment IDI20180525000404
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 4

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.
347 services336 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.
88 services88 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.
74 services73 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Vassar Brothers Medical Center

Acute Care Hospitals · Poughkeepsie, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330023
Location45 Reade PlacePoughkeepsie, NY 12601 · Dutchess County
Emergency services Birthing friendly

St Luke's Cornwall Hospital

Acute Care Hospitals · Newburgh, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330264
Location70 Dubois StreetNewburgh, NY 12550 · Orange County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06510 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.

99.19/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality93.42
Improvement Activities40
Cost77.79

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.

Nurse Practitioner (Family)
20 YORK ST
NEW HAVEN, CT 06510
Pediatrics (Neonatal-Perinatal Medicine)
20 YORK ST, DEPT OF NEONATOLOGY
NEW HAVEN, CT 06510
Durable Medical Equipment & Medical Supplies (Customized Equipment)
20 YORK ST
NEW HAVEN, CT 06510
Dietitian, Registered
20 YORK ST, FOOD AND NUTRITION EPB806
NEW HAVEN, CT 06510
Hospitalist
20 YORK ST
NEW HAVEN, CT 06510
Psychiatry & Neurology (Neurology)
20 YORK ST
NEW HAVEN, CT 06510
Internal Medicine (Nephrology)
20 YORK ST
NEW HAVEN, CT 06510
Obstetrics & Gynecology
20 YORK ST
NEW HAVEN, CT 06510

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 Melissa Hazlitt's NPI number?

The NPI number for Melissa Hazlitt is 1366854275. It was assigned to this individual provider in the NPPES registry on May 27, 2014.

Where is Melissa Hazlitt located?

Melissa Hazlitt practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 688-4242.

What is Melissa Hazlitt's specialty?

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

Is Melissa Hazlitt enrolled in Medicare?

Yes. Melissa Hazlitt 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 Melissa Hazlitt affiliated with any hospitals?

According to CMS data, Melissa Hazlitt is affiliated with Vassar Brothers Medical Center and St Luke's Cornwall Hospital.

When was this NPI record last updated?

The NPPES record for Melissa Hazlitt 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.