1. Home
  2. Directory
  3. Connecticut
  4. New Haven
  5. Psychiatry Neurology
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CONRAD MASCARENHAS
NPI 1720722101
Psychiatry & Neurology - Addiction Psychiatry in New Haven, CT

Active since April 22, 2022PECOS Enrolled
34 PARK ST, NEW HAVEN, CT 06519(301) 793-7753 Get Directions Write a Review

NPPES record last updated: June 22, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Conrad Mascarenhas NPPES

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

CONRAD MASCARENHAS (NPI 1720722101) is an individual addiction psychiatry provider in New Haven, Connecticut, licensed in Connecticut (83894) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS and is a graduate of University Of Maryland School Of Medicine (2022).

NPPES Registry Identity

NPI1720722101
Entity TypeIndividualMale
Primary Taxonomy2084P0802X
Provider Legal NameCONRAD MASCARENHAS
Location Address34 PARK STNew Haven, CT 06519-1109
Mailing Address34 Park StNew Haven, CT 06519-1109
Phone(301) 793-7753
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2022
Enumeration DateApril 22, 2022
Last NPPES UpdateJune 22, 2026
NPPES CertifiedJune 22, 2026
✔ NPI 1720722101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Addiction PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0802X
License✔ Licensed in CT · 83894
Definition
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.
34 PARK ST, New Haven, CT 06519
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Conrad Mascarenhas is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5193109692
PECOS Enrollment IDI20260617000711
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.

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.

CELESTE ERIKA VALENCIA M.D.
Psychiatry & Neurology (Psychiatry)
34 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-7158
JEANNE LAURA STEINER DO
Psychiatry & Neurology (Psychiatry)
34 PARK ST, CONNECTICUT MENTAL HEALTH CENTER
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-7417
DR. JOHN R SAKSA PSY.D.
Psychologist (Clinical)
34 PARK ST, RM. B-38
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-7043
DR. VINOD H SRIHARI MD
Psychiatry & Neurology (Psychiatry)
34 PARK ST, CONNECTICUT MENTAL HEALTH CENTER
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-7417
JO R KREMER MD
Psychiatry & Neurology (Psychiatry)
34 PARK ST, CONNECTICUT MENTAL HEALTH CENTER
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-7417
ANDREA PATRICIA MENDIOLA IPARRAGUIRRE
Student in an Organized Health Care Education/Training Program
34 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (475) 217-6217
PAYAL KHENGAR
Student in an Organized Health Care Education/Training Program
34 PARK ST
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-5777
MRS. NANCY ELIZABETH WATSKY APRN
Nurse Practitioner (Psychiatric/Mental Health)
34 PARK ST, CONNECTICUT MENTAL HEALTH CENTER
NEW HAVEN, CT 06519
South Central Connecticut Planning Region (203) 974-7417

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 Conrad Mascarenhas's NPI number?

The NPI number for Conrad Mascarenhas is 1720722101. It was assigned to this individual provider in the NPPES registry on April 22, 2022.

Where is Conrad Mascarenhas located?

Conrad Mascarenhas practices at 34 Park St, New Haven, CT 06519. The listed phone number is (301) 793-7753.

What is Conrad Mascarenhas's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Psychiatry, with taxonomy code 2084P0802X.

Is Conrad Mascarenhas enrolled in Medicare?

Yes. Conrad Mascarenhas is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Conrad Mascarenhas was last updated on June 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 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.