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GREENWICH HOUSE INC
NPI 1730207119
Registered Nurse - Psychiatric/Mental Health, Adult in New York, NY

Active since March 26, 2007
122 WEST 27TH STREET, 6TH FLOOR, NEW YORK, NY 10001(212) 691-2900(212) 675-2985 Get Directions Write a Review

NPPES record last updated: June 24, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Greenwich House Inc NPPES

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

GREENWICH HOUSE INC (NPI 1730207119) is a healthcare organization registered as a psychiatric/mental health, adult in New York, New York and active in the NPI registry since March 2007. The organization lists Roy Leavitt, Executive Director/ceo, as its authorized official.

NPPES Registry Identity

NPI1730207119
Entity TypeOrganization
Primary Taxonomy163WP0809X
Legal Business NameGREENWICH HOUSE INC
Location Address122 WEST 27TH STREET, 6TH FLOORNew York, NY 10001
Mailing Address27 Barrow StreetNew York, NY 10014-3823 · (212) 991-0003 · Fax (212) 366-4226
Phone(212) 691-2900
Fax(212) 675-2985
Organization SubpartNo
Authorized OfficialRoy LeavittExecutive Director/ceo · (212) 991-0003
Enumeration DateMarch 26, 2007
Last NPPES UpdateJune 24, 2015
✔ NPI 1730207119 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRegistered Nurse · Psychiatric/Mental Health, AdultNursing Service Providers
Taxonomy Code163WP0809X
License✔ Licensed in NY · 210573
Also ListedFamily Medicine · Addiction MedicineTaxonomy 207QA0401X · License 136328 (NY)
Also ListedClinic/Center · Primary CareTaxonomy 261QP2300X · License 211187 (NY)
122 WEST 27TH STREET, New York, NY 10001
Open in Google Maps ↗

Other Identifiers 4

Medicare ID-Type UnspecifiedW01631NY
Medicaid00244468NY
Medicaid01447694NY
Medicaid00244477NY

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Greenwich House Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

27

Medicare enrollment records show 27 clinicians reassign Medicare billing to Greenwich House Inc, which bills Medicare for the services they deliver. Of these, 23 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Clinical Social Worker12
Mental Health Counselor4
Nurse Practitioner4
Psychiatry4
Internal Medicine2
Addiction Medicine1

Nearest to this location (20)

See all 27
Patricia-Maria Young, LCSW
Clinical Social Worker
NPI 1528682531
71 W 23RD ST STE 1400
New York, NY 10010
(212) 582-1566
✔ PECOS✔ Accepts Medicare0.2 mi
Seria Mullen, NP
Nurse Practitioner
NPI 1578210563
245 5TH AVE FL 3
New York, NY 10016
(646) 347-1775
✔ PECOS0.3 mi
Lee Heeter
Clinical Social Worker
NPI 1386038982
7 W 30TH ST
New York, NY 10001
(212) 725-7850
✔ PECOS0.4 mi
Ashley Holtzman
Mental Health Counselor
NPI 1841857158
20 W 20TH ST STE 238
New York, NY 10011
(607) 742-8581
✔ PECOS0.4 mi
Sara Tarullo, LCSW
Clinical Social Worker
NPI 1497990360
16 E 16TH ST
New York, NY 10003
(212) 924-7744
✔ PECOS✔ Accepts Medicare0.6 mi
Krystal Rosario, LMHC
Mental Health Counselor
NPI 1407535552
15 W 39TH ST
New York, NY 10018
(212) 564-6006
✔ PECOS✔ Accepts Medicare0.6 mi
Paolo Travers, M.D.
Psychiatry
NPI 1992892418
201 E 28TH ST # 6R
New York, NY 10016
(917) 667-5451
✔ PECOS✔ Accepts Medicare0.7 mi
Jennifer Wiler, PMHNP
Nurse Practitioner
NPI 1770457186
27 BARROW ST FL 3
New York, NY 10014
(646) 516-9818
✔ PECOS✔ Accepts Medicare1.1 mi
Hyram Stephens, M.D.
Psychiatry
NPI 1871601906
27 BARROW ST 3RD FLOOR
New York, NY 10014
(212) 242-4140
✔ PECOS1.1 mi
Caroline Astacio, LCSW-R
Clinical Social Worker
NPI 1386884088
27 BARROW ST
New York, NY 10014
(212) 242-4140
✔ PECOS1.1 mi
Frances Jha, LCSW
Clinical Social Worker
NPI 1780193995
27 BARROW ST
New York, NY 10014
(212) 242-4140
✔ PECOS1.1 mi
Megan Oboyle, LCSW
Clinical Social Worker
NPI 1740852805
27 BARROW ST
New York, NY 10014
(212) 242-4140
✔ PECOS1.1 mi
Sara Taki, M.D.
Internal Medicine
NPI 1477712719
190 MERCER ST FL 4
New York, NY 10012
(212) 677-3400
✔ PECOS1.4 mi
Faith Balento, LMHC-D
Mental Health Counselor
NPI 1568072411
623 BROADWAY FL 2
New York, NY 10012
(646) 516-9818
✔ PECOS✔ Accepts Medicare1.4 mi
Emily Yurberg, M.D.
Internal Medicine
NPI 1689754491
140 E 81ST ST 7C
New York, NY 10028
(212) 472-2581
✔ PECOS✔ Accepts Medicare2.8 mi
Gerald Bray, LCSWR
Clinical Social Worker
NPI 1871622407
155 E 91ST ST APT 1C
New York, NY 10128
(212) 996-0568
✔ PECOS3.3 mi
Gabriela Huaraca
Mental Health Counselor
NPI 1174927958
55 W 125TH ST
New York, NY 10027
(212) 864-4128
✔ PECOS✔ Accepts Medicare5.0 mi
Priya Sikerwar
Clinical Social Worker
NPI 1437608791
1456 FULTON ST
Brooklyn, NY 11216
(718) 636-4500
✔ PECOS✔ Accepts Medicare5.2 mi
Beena Saad, M.D.
Psychiatry
NPI 1790955078
506 6TH ST
Brooklyn, NY 11215
(718) 780-5490
✔ PECOS✔ Accepts Medicare5.4 mi
Nadia Michel
Nurse Practitioner
NPI 1417484981
2015 GRAND CONCOURSE
Bronx, NY 10453
(718) 299-7295
✔ PECOS8.7 mi
See all 27 clinicians

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 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.

Medication assisted treatment, methadone; weekly bundle including dispensing and/or administration, substance use counseling, individual and group therapy, and toxicology testing, if performed (provision of the services by a medicare-enrolled opioid treatm G2067
Medication Assisted Treatment (MAT) with methadone is a comprehensive approach to manage opioid addiction. It includes weekly methadone dispensing, substance use counseling, individual and group therapy sessions, and toxicology tests as needed, all provided by a Medicare-enrolled opioid treatment program.
1,443 services83 patients
Take-home supply of methadone; up to 7 additional day supply (provision of the services by a medicare-enrolled opioid treatment program); list separately in addition to code for primary procedure G2078
This service provides an additional 7-day supply of methadone, a medication used to treat opioid addiction, for patients to take at home. It's provided by a Medicare-enrolled opioid treatment program. This service is billed separately from the main treatment procedure.
1,432 services61 patients
Periodic assessment; assessing periodically by qualified personnel to determine the most appropriate combination of services and treatment (provision of the services by a medicare-enrolled opioid treatment program); list separately in addition to code for G2077
Periodic assessment is a routine check-up by trained professionals to determine the best mix of services and treatments for your health needs. This is typically provided by a Medicare-enrolled opioid treatment program. It's listed separately in addition to your main treatment code. This ensures you receive the most suitable care for your situation.
120 services48 patients
Medication assisted treatment, weekly bundle not including the drug, including substance use counseling, individual and group therapy, and toxicology testing if performed (provision of the services by a medicare-enrolled opioid treatment program) G2074
Medication Assisted Treatment is a comprehensive program for managing substance use. It includes counseling (both individual and group), along with regular toxicology testing if required. This service is provided by a Medicare-enrolled opioid treatment program.
104 services24 patients

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 Greenwich House Inc's NPI number?

The NPI number for Greenwich House Inc is 1730207119. It was assigned to this organization in the NPPES registry on March 26, 2007.

Where is Greenwich House Inc located?

Greenwich House Inc is located at 122 West 27th Street 6th Floor, New York, NY 10001. The listed phone number is (212) 691-2900.

What is Greenwich House Inc's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Psychiatric/Mental Health, Adult, with taxonomy code 163WP0809X.

Is Greenwich House Inc enrolled in Medicare?

Yes. Greenwich House Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Greenwich House Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 27 clinicians in 6 Medicare specialties reassign their Medicare billing to Greenwich House Inc. A 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 the clinician's services. The largest specialties are Clinical Social Worker (12), Mental Health Counselor (4) and Nurse Practitioner (4). Of these, 23 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Greenwich House Inc was last updated on June 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.