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NIKI NICOLE MERCADO LMSW
NPI 1396444378
Social Worker in Waterloo, IA

Active since February 28, 2023PECOS EnrolledAccepts Medicare Assignment
3261 UNIVERSITY AVE, WATERLOO, IA 50701(800) 531-4236(319) 483-6661 Get Directions Write a Review

NPPES record last updated: February 28, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Niki Nicole Mercado Lmsw NPPES

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

NIKI NICOLE MERCADO LMSW (NPI 1396444378) is an individual social worker in Waterloo, Iowa, licensed in Iowa (117764) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1396444378
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameNIKI NICOLE MERCADOCredential: LMSW
Location Address3261 UNIVERSITY AVEWaterloo, IA 50701-2051
Mailing Address159 4th StEvansdale, IA 50707-2141 · (907) 978-9203
Phone(800) 531-4236
Fax(319) 483-6661
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateFebruary 28, 2023
NPPES CertifiedFebruary 28, 2023
✔ NPI 1396444378 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Licenses✔ Licensed in IA · 117764✔ Licensed in AK · 192168
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.
3261 UNIVERSITY AVE, Waterloo, IA 50701
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Niki Nicole Mercado Lmsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981143765
PECOS Enrollment IDI20241220003656
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 Reassignments

2

Medicare enrollment records show Niki Mercado reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Heart And Solutions
27 mi
Mental Health
626 G AVE
Grundy Center, IA 50638
  • Reassigned Medicare billing, Iowa enrollment
  • 22 clinicians in this Medicare group
NPI 1578963377 (800) 531-4236
Greater Works Caring Center
2,622 mi
Counselor
3401 PEGER RD STE C
Fairbanks, AK 99709
  • Reassigned Medicare billing, Alaska enrollment
  • 3 clinicians in this Medicare group
NPI 1235770298 (907) 374-7076

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 6

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

ALEXIS TEALE LACHINO LISW
Counselor (Mental Health)
3261 UNIVERSITY AVE
WATERLOO, IA 50701
Black Hawk County (319) 239-2016
BRANDI SCHMITT MS, NCC, TLMHC
Counselor (Mental Health)
3261 UNIVERSITY AVE
WATERLOO, IA 50701
Black Hawk County (319) 290-7586
MS. SAMARAH GREEVES LISW
Counselor (Mental Health)
3261 UNIVERSITY AVE
WATERLOO, IA 50701
Black Hawk County (319) 343-8291
CATHY A ROTTINGHAUS LMSW
Counselor
3261 UNIVERSITY AVE
WATERLOO, IA 50701
Black Hawk County (319) 290-5518
GROWTH & GRACE COUNSELING AND CONSULTING LLC
Counselor (Mental Health)
3261 UNIVERSITY AVE
WATERLOO, IA 50701
Black Hawk County (712) 789-0664
SEAN MICHAEL OSTENDORF
Counselor (Mental Health)
3261 UNIVERSITY AVE
WATERLOO, IA 50701
Black Hawk County (800) 531-4236

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 Niki Mercado's NPI number?

The NPI number for Niki Mercado is 1396444378. It was assigned to this individual provider in the NPPES registry on February 28, 2023.

Where is Niki Mercado located?

Niki Mercado practices at 3261 University Ave, Waterloo, IA 50701. The listed phone number is (800) 531-4236.

What is Niki Mercado's specialty?

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

Is Niki Mercado enrolled in Medicare?

Yes. Niki Mercado is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Niki Mercado's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Niki Mercado reassigns Medicare benefits to 2 organizations: Heart And Solutions (Grundy Center, IA) and Greater Works Caring Center (Fairbanks, AK). Each 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 Niki Mercado's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Niki Mercado accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Moda Health Plan, Inc. and 4 other insurers list Niki Mercado 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 Niki Mercado was last updated on February 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.