DANIEL LLERENA – Social Worker, NPI 1013102813

DANIEL LLERENA is a healthcare provider. based in Waterbury, Connecticut. specializing in CLINICAL SOCIAL WORKER. The NPI Number for DANIEL LLERENA is 1013102813

Main info

Male
14 Years Of Experience
Name
DANIEL LLERENA
NPI
1013102813
Phone
(203) 755-1196
Address
56 CHURCH ST
Enumeration Date
14 September 2007
Last Update Date
17 May 2021

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8602499625
Graduation Year
2012 (14 years ago)
PAC ID
0749607976
Group Practice PAC ID
3870564172
Professional Enrollment ID
I20200902000580
Address ID
CT061202508HA500XXAVEX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience51
Completeness75
Years active:18State licenses:0Digital endpointsOther names

2,153 CLINICAL SOCIAL WORKER in CT

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Provider Addresses for DANIEL LLERENA

  • 56, Church Street, Cass Gilbert National Register District, Waterbury, New Haven County, Connecticut, 06702, United States

    WATERBURY, CT 067022103

    Phone: (203) 755-1196

    Type: Location

  • 500 ALBANY AVE

    HARTFORD, CT 061202508

    Phone: (860) 249-9625

    Type: Location

  • 91 WESTBROOK RD

    PLANTSVILLE, CT 064791126

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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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: 2020-09-02

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
I20200902000580IClinical Social WorkerCTTBD

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 06702)

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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: 3870564172View full group profile
NameSpecialtyState
Clinical Social WorkerCT
Clinical Social WorkerCT
Nurse PractitionerCT
-CT
Clinical Social WorkerCT
Nurse PractitionerCT
Nurse PractitionerMA
O P T O M E T R YCT
Nurse PractitionerCT
Nurse PractitionerCT

Reviews

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Frequently asked questions

What federal number belongs to DANIEL LLERENA?
The federal identifier for DANIEL LLERENA is NPI 1013102813.
Does this profile mean DANIEL LLERENA is currently active?
Yes — DANIEL LLERENA appears active in the national provider directory.
What does DANIEL LLERENA treat or focus on?
Patients typically see DANIEL LLERENA under the specialty Social Worker. Clinical services aligned with this taxonomy classification.
Where is DANIEL LLERENA's primary listing?
We display Waterbury, Connecticut because that is what the record indicates for DANIEL LLERENA.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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