Marilise Hyacinth, M.D, PH.D
NPI 1528324530 · Psychiatry Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marilise Hyacinth, M.D, PH.D is a Psychiatry Physician provider in New Haven, CT (NPI 1528324530).
Provider details
- NPI number
- 1528324530
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D, PH.D
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
326 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 118 | $103 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 79 | $53 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $70 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 43 | $153 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 30 | $170 |
Typical Medicare-allowed amounts for these services range $53–$170 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 255 | 83 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 229 | 45 |
| Gabapentin | 179 | 46 |
| Clonazepam | 174 | 49 |
| Quetiapine Fumarate | 168 | 42 |
| Fluoxetine Hcl | 166 | 45 |
| Sertraline Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-03
- Last updated
- 2017-04-25
Frequently asked questions
- What is Marilise Hyacinth's NPI number?
- Marilise Hyacinth's National Provider Identifier (NPI) is 1528324530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilise Hyacinth's specialty?
- Marilise Hyacinth is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Marilise Hyacinth located?
- Marilise Hyacinth's practice location on file with NPPES is 20 York St # T-209, New Haven, CT 06510-3220.
- What is Marilise Hyacinth's phone number?
- The practice phone number listed in the NPPES registry for Marilise Hyacinth is (203) 688-2259.
- Does Marilise Hyacinth accept Medicare?
- Marilise Hyacinth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marilise Hyacinth's NPI active?
- Yes — Marilise Hyacinth's NPI (1528324530) is active in the NPPES registry as of the last update on 2017-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.