MR. STEVEN ZESSIS (LICSW) – Clinical Social Worker, NPI 1255612503

MR. STEVEN ZESSIS (LICSW) is a healthcare provider. based in Lowell, Massachusetts. specializing in CLINICAL SOCIAL WORKER. They hold the professional credentials LICSW. They hold a License No. 111800 (MA). The NPI Number for MR. STEVEN ZESSIS (LICSW) is 1255612503

Main info

Male
29 Years Of Experience
Accepts Medicare Assignment
Name
MR. STEVEN ZESSIS (LICSW)
NPI
1255612503
Phone
(978) 513-2393
Address
126 PHOENIX AVE
Enumeration Date
31 August 2011
Last Update Date
31 August 2011

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9782965595
Graduation Year
1997 (29 years ago)
PAC ID
4587949342
Group Practice PAC ID
2860836715
Professional Enrollment ID
I20210114001430
Address ID
MA018454721NO431XXSTXX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience42
Completeness75
Years active:14State licenses:1Digital endpointsOther names

4,194 CLINICAL SOCIAL WORKER in MA

Provider Addresses for MR. STEVEN ZESSIS (LICSW)

  • 126 PHOENIX AVE

    3RD FLOOR

    LOWELL, MA 018524931

    Phone: (978) 513-2393

    Type: Location

  • 35 SHERWOOD RD

    READING, MA 018673744

    Phone: (781) 944-1375

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2021-01-14

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20210114001430IClinical Social WorkerMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 01852)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2860836715View full group profile
NameSpecialtyState
Clinical PsychologistNH
Clinical PsychologistMA
Mental Health CounselorMA
Clinical Social WorkerMA
Mental Health CounselorMA
Clinical PsychologistMA
Clinical Social WorkerMA
Clinical Social WorkerMA
Clinical Social WorkerMA
Clinical Social WorkerMA

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What unique ID ties claims to MR. STEVEN ZESSIS (LICSW)?
NPI 1255612503 is assigned to MR. STEVEN ZESSIS (LICSW) under the national enumeration system.
Is MR. STEVEN ZESSIS (LICSW)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What does MR. STEVEN ZESSIS (LICSW) treat or focus on?
Patients typically see MR. STEVEN ZESSIS (LICSW) under the specialty Clinical Social Worker. Clinical services aligned with this taxonomy classification.
Does MR. STEVEN ZESSIS (LICSW) practice in Massachusetts?
You will see Lowell, Massachusetts on file for MR. STEVEN ZESSIS (LICSW) alongside any extra practice locations.
Is MR. STEVEN ZESSIS (LICSW) a real provider?
This page reflects official NPPES data for NPI 1255612503. Always confirm identity and privileges with the practice and licensing boards.

Similar Providers

MR. STEPHEN R FOLVEN (LICSW)

Clinical Social Worker
81;95, Bridge Street, Centralville, Lowell, Middlesex County, Massachusetts, 01852-9998, United States
NPI: 1548269665
77, East Merrimack Street, Centralville, Lowell, Middlesex County, Massachusetts, 01852, United States
NPI: 1649260282
Merrimack Street, Merrimack-Middle Street Historic District, The Acre, Lowell, Middlesex County, Massachusetts, 01850, United States
NPI: 1538134929

CHARLOTTE C HERRMANN (LICSW)

Clinical Social Worker
135, Jackson Street, Merrimack-Middle Street Historic District, The Acre, Lowell, Middlesex County, Massachusetts, 01852, United States
NPI: 1336116698

MARGARET M CHUNG (LICSW)

Clinical Social Worker
585-597 MERRIMACK STREET
NPI: 1679540629

LAURA E REIS (MSW LICSW)

Clinical Social Worker
77, East Merrimack Street, Centralville, Lowell, Middlesex County, Massachusetts, 01852, United States
NPI: 1124089727

MRS. MANDRA R BISCORNET (LICSW)

Clinical Social Worker
24 PAWTUCKET BLVD
NPI: 1952354862

MRS. MARTHA C KASELIS (LICSW)

Clinical Social Worker
270, Beacon Street, Centralville, Lowell, Middlesex County, Massachusetts, 01825, United States
NPI: 1417901117

JENNIFER SHAPIRO (LICSW)

Clinical Social Worker
74, Hinckley Street, Magoun Square, Ball Square, Somerville, Middlesex County, Massachusetts, 02144, United States
NPI: 1144274473