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MISS HELEN STACY TANCHEZ
NPI 1487148607
Social Worker in Chicago, IL

Active since June 20, 2018PECOS Enrolled
1100 S MAY ST, CHICAGO, IL 60607(312) 339-2117 Get Directions Write a Review

NPPES record last updated: June 20, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Miss Helen Stacy Tanchez NPPES

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

MISS HELEN STACY TANCHEZ (NPI 1487148607) is an individual social worker in Chicago, Illinois and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487148607
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMISS HELEN STACY TANCHEZ
Location Address1100 S MAY STChicago, IL 60607-4229
Mailing Address1100 S May StChicago, IL 60607-4229 · (312) 339-2117
Phone(312) 339-2117
Sole ProprietorNo
Enumeration DateJune 20, 2018
✔ NPI 1487148607 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
1100 S MAY ST, Chicago, IL 60607
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Miss Helen Stacy Tanchez is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Helen Tanchez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cook County
1.0 mi
Family Medicine
605 S WOLCOTT AVE, SUITE 605
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 1,047 clinicians in this Medicare group
NPI 1912063439 (312) 864-4649

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

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SHANNON KELLY COYLE
Social Worker
1100 S MAY ST
CHICAGO, IL 60607
Cook County (312) 602-1460
BEATRIZ GONZALEZ
Counselor (Mental Health)
1100 S MAY ST
CHICAGO, IL 60607
Cook County (737) 850-5985
CLAUDIA C FUENTES-PENA MSW, LCSW, QMHP
Social Worker (Clinical)
1100 S MAY ST
CHICAGO, IL 60607
Cook County (312) 602-1460
LILIANA TRETO B.S.W.
Counselor (Mental Health)
1100 S MAY ST
CHICAGO, IL 60607
Cook County (312) 402-1469
ALLISON VANDER WALL
Counselor (Mental Health)
1100 S MAY ST, 2ND FLOOR
CHICAGO, IL 60607
Cook County (312) 602-1469
DANIELLE RENYER LSW
Social Worker
1100 S MAY ST
CHICAGO, IL 60607
Cook County (312) 607-1467
JULIE KROL LCSW
Social Worker (Clinical)
1100 S MAY ST
CHICAGO, IL 60607
Cook County (312) 602-1471
MARIA D HERNANDEZ MSW
Social Worker
1100 S MAY ST
CHICAGO, IL 60607
Cook County (312) 602-1462

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 Helen Tanchez's NPI number?

The NPI number for Helen Tanchez is 1487148607. It was assigned to this individual provider in the NPPES registry on June 20, 2018.

Where is Helen Tanchez located?

Helen Tanchez practices at 1100 S May St, Chicago, IL 60607. The listed phone number is (312) 339-2117.

What is Helen Tanchez's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Helen Tanchez enrolled in Medicare?

Yes. Helen Tanchez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Helen Tanchez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Helen Tanchez reassigns Medicare benefits to Cook County (Chicago, IL). The 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 Helen Tanchez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Helen Tanchez accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Helen Tanchez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Helen Tanchez was last updated on June 20, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.