MARILISE ALEXIS HYACINTH M.D, PH.D
NPI 1528324530
Psychiatry & Neurology - Psychiatry in New Haven, CT

Active since April 03, 2012PECOS EnrolledAccepts Medicare Assignment
97.27/100
CMS Quality Rating
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL, NEW HAVEN, CT 06510(203) 688-2259(203) 688-5599 Get Directions Write a Review

NPPES record last updated: April 25, 2017. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Marilise Alexis Hyacinth M.d, Ph.d NPPES

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

MARILISE ALEXIS HYACINTH M.D, PH.D (NPI 1528324530) is an individual psychiatry provider in New Haven, Connecticut, licensed in Connecticut (053224) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (2012).

NPPES Registry Identity

NPI1528324530
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameMARILISE ALEXIS HYACINTHCredential: M.D, PH.D
Location Address20 YORK ST # T-209, YALE-NEW HAVEN HOSPITALNew Haven, CT 06510-3220
Mailing Address300 George St Ste 901, Yale Department Of PsychiatryNew Haven, CT 06511-6662 · (203) 688-2259 · Fax (203) 688-5599
Fax(203) 688-5599
Sole ProprietorYes
Medical School CMSGeorge Washington University School Of MedicineGraduated 2012
Enumeration DateApril 3, 2012
Last NPPES UpdateApril 25, 2017
✔ NPI 1528324530 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CT · 053224
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
20 YORK ST # T-209, New Haven, CT 06510

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marilise Alexis Hyacinth M.d, Ph.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 ID648596163
PECOS Enrollment IDI20150227001242
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Marilise Hyacinth reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
130 DIVISION ST
Derby, CT 06418
  • Reassigned Medicare billing, Connecticut enrollment
  • 77 clinicians in this Medicare group
General Acute Care Hospital
64 ROBBINS ST
Waterbury, CT 06708
  • Reassigned Medicare billing, Connecticut enrollment
  • 60 clinicians in this Medicare group
General Acute Care Hospital
28 CRESCENT ST
Middletown, CT 06457
  • Reassigned Medicare billing, Connecticut enrollment
  • Also billed through NPI 1760451041 (Connecticut)
  • 166 clinicians in this Medicare group
Psychiatric Hospital
208 VALLEY RD
New Canaan, CT 06840
  • Reassigned Medicare billing, Connecticut enrollment
  • 47 clinicians in this Medicare group
Psychiatric Hospital
189 STORRS ROAD
Mansfield Center, CT 06250
  • Reassigned Medicare billing, Connecticut enrollment
  • 200 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
118 services50 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
79 services23 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
56 services31 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
43 services24 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
30 services28 patients

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
$183.10 typical visit price
range $60.82 – $183.10
Typical copayment $45.77 (range $15.20 – $45.77)
Most-billed visit code 99205
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
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.

97.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality81.68
Promoting Interoperability100
Improvement Activities40

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.

Psychiatry & Neurology (Child & Adolescent Psychiatry)
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
Student in an Organized Health Care Education/Training Program
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
Pathology (Anatomic Pathology & Clinical Pathology)
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
Psychiatry & Neurology (Psychiatry)
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
Psychiatry & Neurology (Psychiatry)
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
Psychiatry & Neurology (Addiction Psychiatry)
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
Student in an Organized Health Care Education/Training Program
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
NEW HAVEN, CT 06510
Internal Medicine (Gastroenterology)
20 YORK ST # T-209, YALE-NEW HAVEN HOSPITAL
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 Marilise Hyacinth's NPI number?

The NPI number for Marilise Hyacinth is 1528324530. It was assigned to this individual provider in the NPPES registry on April 3, 2012.

Where is Marilise Hyacinth located?

Marilise Hyacinth practices at 20 York St # T-209 Yale-New Haven Hospital, New Haven, CT 06510. The listed phone number is (203) 688-2259.

What is Marilise Hyacinth's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Marilise Hyacinth enrolled in Medicare?

Yes. Marilise Hyacinth 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.

Which organizations bill Medicare for Marilise Hyacinth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marilise Hyacinth reassigns Medicare benefits to 5 organizations: The Griffin Hospital (Derby, CT), Prospect Waterbury, Inc. (Waterbury, CT), Middlesex Hospital (Middletown, CT), Silver Hill Hospital, Inc (New Canaan, CT) and Natchaug Hospital, Inc. (Mansfield Center, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marilise Hyacinth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marilise Hyacinth accept?

Health plans from Anthem Blue Cross and Blue Shield list Marilise Hyacinth 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 Marilise Hyacinth was last updated on April 25, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.