MIDDLESEX PSYCHIATRY & TMS PC
NPI 1053971572
Psychiatry & Neurology - Psychiatry in Fairfield, NJ

Active since June 17, 2019
165 PASSAIC AVE, SUITE 200, FAIRFIELD, NJ 07004(800) 413-8020 Get Directions Write a Review

NPPES record last updated: November 13, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 13, 2025, Sep 2, 2025, Jul 2, 2025 and 3 more (6 updates tracked since 2019).

About Middlesex Psychiatry & Tms Pc NPPES

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

MIDDLESEX PSYCHIATRY & TMS PC (NPI 1053971572), doing business as Reservoir Health, is a healthcare organization registered as a psychiatry in Fairfield, New Jersey and active in the NPI registry since June 2019. The organization maintains 3 additional practice locations and lists Victoria Delisio, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1053971572
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameMIDDLESEX PSYCHIATRY & TMS PC
Location Address165 PASSAIC AVE, SUITE 200Fairfield, NJ 07004-1580
Mailing AddressPo Box 80815City Of Industry, CA 91716-8420 · (800) 413-8020 · Fax (732) 479-6751
Organization SubpartNo
Authorized OfficialVictoria DelisioAuthorized Official · (800) 413-8020
Enumeration DateJune 17, 2019
Last NPPES UpdateNovember 13, 20256 updates tracked since enumeration
NPPES CertifiedNovember 13, 2025
✔ NPI 1053971572 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
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.
165 PASSAIC AVE, Fairfield, NJ 07004

Other Names 1

Doing Business AsReservoir Health

Secondary Practice Locations 3

Location 1777 Route 70 East . G-101Marlton, NJ 08053 · Phone (800) 413-8020 · Fax (732) 479-6751
Location 211 Shenango Rd Ste 1New Castle, PA 16105-1177 · Phone (800) 413-8020 · Fax (732) 479-6751
Location 3330 Motor Park Way, Suite 204Hauppauge, NY 11788 · Phone (800) 413-8020 · Fax (732) 479-6751

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)

Middlesex Psychiatry & Tms Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

96

Medicare enrollment records show 96 clinicians reassign Medicare billing to Middlesex Psychiatry & Tms PC, which bills Medicare for the services they deliver. Of these, 8 practice at this address and 12 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Nurse Practitioner57
Clinical Social Worker21
Mental Health Counselor13
Clinical Psychologist4
Psychiatry1

Nearest to this location (20)

See all 96
Nurse Practitioner
NPI 1215893995
165 PASSAIC AVE STE 200
Fairfield, NJ 07004
(856) 818-4020
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1689252348
165 PASSAIC AVE STE 300
Fairfield, NJ 07004
(800) 413-8020
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1548076912
165 PASSAIC AVE
Fairfield, NJ 07004
(800) 413-8020
✔ PECOS✔ Accepts MedicareSame address
Mental Health Counselor
NPI 1346027000
165 PASSAIC AVE STE 200
Fairfield, NJ 07004
(800) 413-8020
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1184441057
165 PASSAIC AVE STE 200
Fairfield, NJ 07004
(800) 413-8020
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1932913498
165 PASSAIC AVE STE 200
Fairfield, NJ 07004
(800) 413-8020
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1962166231
165 PASSAIC AVE STE 200
Fairfield, NJ 07004
(800) 413-8020
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1871328682
165 PASSAIC AVE STE 200
Fairfield, NJ 07004
(800) 413-8020
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1255051306
7 TENNEY RD
West Orange, NJ 07052
(973) 518-2517
✔ PECOS✔ Accepts Medicare6.5 mi
Nurse Practitioner
NPI 1053561738
16 FAIRMOUNT AVE
Clifton, NJ 07011
(516) 312-9486
✔ PECOS✔ Accepts Medicare6.5 mi
Mental Health Counselor
NPI 1659087674
295 E 29TH ST
Paterson, NJ 07514
(917) 566-4134
✔ PECOS✔ Accepts Medicare7.9 mi
Nurse Practitioner
NPI 1033643408
14 RIDGEDALE AVE STE 103
Cedar Knolls, NJ 07927
(973) 295-6335
✔ PECOS✔ Accepts Medicare9.4 mi
Nurse Practitioner
NPI 1447947106
51 JFK PKWY FL 1
Short Hills, NJ 07078
(917) 582-6622
✔ PECOS✔ Accepts Medicare10 mi
Mental Health Counselor
NPI 1518625540
600 7TH ST
Carlstadt, NJ 07072
(347) 878-6270
✔ PECOS10 mi
Mental Health Counselor
NPI 1396441226
1301 WALL ST W APT 5212
Lyndhurst, NJ 07071
(201) 682-5225
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1336516582
58 W HANOVER AVE
Morris Plains, NJ 07950
(973) 420-3246
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1386293413
30 PROSPECT AVE
Hackensack, NJ 07601
(551) 996-2000
✔ PECOS✔ Accepts Medicare12 mi
Clinical Social Worker
NPI 1053181578
100 ELIZABETH AVE
Teaneck, NJ 07666
(551) 223-1222
✔ PECOS✔ Accepts Medicare14 mi
Clinical Social Worker
NPI 1740684315
PO BOX 8449
Elizabeth, NJ 07208
(201) 588-3858
✔ PECOS15 mi
Clinical Psychologist
NPI 1497923585
428 E 72ND ST SUITE 500
New York, NY 10021
(212) 746-2441
✔ PECOS18 mi
See all 96 clinicians

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

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 Middlesex Psychiatry & Tms PC's NPI number?

The NPI number for Middlesex Psychiatry & Tms PC is 1053971572. It was assigned to this organization in the NPPES registry on June 17, 2019. The provider is doing business as Reservoir Health.

Where is Middlesex Psychiatry & Tms PC located?

Middlesex Psychiatry & Tms PC is located at 165 Passaic Ave Suite 200, Fairfield, NJ 07004. The listed phone number is (800) 413-8020.

What is Middlesex Psychiatry & Tms PC's specialty?

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

Is Middlesex Psychiatry & Tms PC enrolled in Medicare?

Yes. Middlesex Psychiatry & Tms PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Middlesex Psychiatry & Tms PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 96 clinicians in 5 Medicare specialties reassign their Medicare billing to Middlesex Psychiatry & Tms PC. 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 Nurse Practitioner (57), Clinical Social Worker (21) and Mental Health Counselor (13). Of these, 8 practice at this address and 12 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 Middlesex Psychiatry & Tms PC was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.