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ARIANA CASTILLO LMSW
NPI 1225877863
Social Worker in Warren, MI

Active since May 22, 2024PECOS EnrolledAccepts Medicare Assignment
32506 OAKVIEW DR, WARREN, MI 48092(586) 354-8088 Get Directions Write a Review

NPPES record last updated: February 21, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ariana Castillo Lmsw NPPES

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

ARIANA CASTILLO LMSW (NPI 1225877863) is an individual social worker in Warren, Michigan, licensed in Michigan (6801117799) and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1225877863
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameARIANA CASTILLOCredential: LMSW
Location Address32506 OAKVIEW DRWarren, MI 48092-1088
Mailing Address32506 Oakview DrWarren, MI 48092-1088
Phone(586) 354-8088
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateMay 22, 2024
Last NPPES UpdateFebruary 21, 2025
NPPES CertifiedFebruary 21, 2025
✔ NPI 1225877863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in MI · 6801117799
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.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 6801117799 (MI)
32506 OAKVIEW DR, Warren, MI 48092
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company 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

Ariana Castillo 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 ID6103347588
PECOS Enrollment IDI20250303001745
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 Ariana Castillo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Richard Kneip, Ph.D., P.C.
21 mi
Community/Behavioral Health
6548 TOWN CENTER DR STE D
Clarkston, MI 48346
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: Richard Kneip Phd PC
  • 347 clinicians in this Medicare group
NPI 1679739700 (800) 693-1916

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 Ariana Castillo's NPI number?

The NPI number for Ariana Castillo is 1225877863. It was assigned to this individual provider in the NPPES registry on May 22, 2024.

Where is Ariana Castillo located?

Ariana Castillo practices at 32506 Oakview Dr, Warren, MI 48092. The listed phone number is (586) 354-8088.

What is Ariana Castillo's specialty?

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

Is Ariana Castillo enrolled in Medicare?

Yes. Ariana Castillo 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 organization bills Medicare for Ariana Castillo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ariana Castillo reassigns Medicare benefits to Richard Kneip, Ph.D., P.C. (Clarkston, MI). 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 Ariana Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ariana Castillo accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company, Priority Health and UnitedHealthcare list Ariana Castillo 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 Ariana Castillo was last updated on February 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.