Marilise Alexis Hyacinth, M.D, PH.D
Psychiatry Physician · New Haven, CT
Marilise Alexis Hyacinth, M.D, PH.D is a psychiatry physician with a practice address in New Haven, Connecticut, and NPI 1528324530, issued on Apr 3, 2012. Check the license (Connecticut 053224, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Marilise Alexis Hyacinth
- Credential
- M.D, PH.D
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 053224 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St # T-209, New Haven, CT 06510
- Phone
- (203) 688-2259
- Enumerated
- Apr 3, 2012
- Record last updated
- Apr 25, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (203) 688-5599
- Medicare enrollment
- Enrolled (PECOS I20150227001242); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 20 York St # T-209
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marilise Alexis Hyacinth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 053224Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average psychiatry physician in 2024
3,378 Medicare Part D claims for 404 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Trazodone Hcl255 claims
- Venlafaxine Hcl Er229 claims
- Gabapentin179 claims
- Clonazepam174 claims
- Quetiapine Fumarate168 claims
- Fluoxetine Hcl166 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Middlesex HospitalMiddletown, CT · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Marilise Alexis Hyacinth among 1,174 psychiatry physician records in Connecticut
Marilise Alexis Hyacinth, M.D, PH.D is one of 1,174 psychiatry physician records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 69% of them.
- NPI issued2012 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2012 · median 2003 among the 503 with a school on file
- Record last updated2017 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
285 psychiatry physician records list a practice address in New Haven
They are 285 of the 9,793 NPPES records with a practice address in New Haven, and 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in New Haven → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Eric Berger, MDNew Haven, CT 065101407888746
- Joseph CheckNew Haven, CT 065101023121985
- Paul Desan, MDNew Haven, CT 065101689662686
- Tsilia Glinberg, MDNew Haven, CT 065101497736060
- David Greenfeld, M.D.New Haven, CT 065101851317366
- Frank Ninivaggi, MDNew Haven, CT 065101609880434
- Nancy Olson, M.D.New Haven, CT 065101003832049
- Anna Ostrovskaya, M. D.New Haven, CT 065101073556841
Common questions
What is Marilise Alexis Hyacinth, M.D, PH.D's NPI number?
Marilise Alexis Hyacinth, M.D, PH.D's National Provider Identifier (NPI) is 1528324530, issued on Apr 3, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Marilise Alexis Hyacinth, M.D, PH.D located?
The NPPES record lists a practice address at 20 York St # T-209, New Haven, CT, 06510. Phone: (203) 688-2259. Providers update this record themselves, so call before visiting.
How can I verify Marilise Alexis Hyacinth, M.D, PH.D's license?
NPPES lists Connecticut license number 053224, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marilise Alexis Hyacinth, M.D, PH.D prescribe under Medicare Part D?
In 2024, Marilise Alexis Hyacinth, M.D, PH.D had 3,378 Medicare Part D claims for 404 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Marilise Alexis Hyacinth, M.D, PH.D's MIPS final score?
The 2023 MIPS final score is 97.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.