JAMES O ANASTASI M.S.
NPI 1770648180
Social Worker in Mason City, IA

Active since December 26, 2006Opted out of Medicare · through Oct 2, 2026
1520 6TH ST SW, MASON CITY, IA 50401(641) 423-4180(641) 421-6023 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About James O Anastasi M.s. NPPES

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

JAMES O ANASTASI M.S. (NPI 1770648180) is an individual social worker in Mason City, Iowa, licensed in Iowa (2112) and active in the NPI registry since December 2006. He has opted out of Medicare through October 2, 2026.

NPPES Registry Identity

NPI1770648180
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameJAMES O ANASTASICredential: M.S.
Location Address1520 6TH ST SWMason City, IA 50401-4820
Mailing Address1520 6th St SwMason City, IA 50401-4820 · (641) 423-4180 · Fax (641) 421-6023
Fax(641) 421-6023
Sole ProprietorYes
Enumeration DateDecember 26, 2006
Last NPPES UpdateSeptember 11, 2025
NPI 1770648180 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License Licensed in IA · 2112
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 ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 41 (IA)
Also ListedMarriage & Family TherapistTaxonomy 106H00000X · License 7 (IA)

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

James O Anastasi M.s. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 2, 2024 through October 2, 2026.

Opt-Out Effective DateOctober 2, 2024
Opt-Out In Effect ThroughOctober 2, 2026Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 5

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

Marriage & Family Therapist
1520 6TH ST SW
MASON CITY, IA 50401
Marriage & Family Therapist
1520 6TH ST SW
MASON CITY, IA 50401
Social Worker
1520 6TH ST SW
MASON CITY, IA 50401
Counselor (Mental Health)
1520 6TH ST SW
MASON CITY, IA 50401
Clinic/Center (Primary Care)
1520 6TH ST SW
MASON CITY, IA 50401

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 James Anastasi's NPI number?

The NPI number for James Anastasi is 1770648180. It was assigned to this individual provider in the NPPES registry on December 26, 2006.

Where is James Anastasi located?

James Anastasi practices at 1520 6th St SW, Mason City, IA 50401. The listed phone number is (641) 423-4180.

What is James Anastasi's specialty?

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

Is James Anastasi enrolled in Medicare?

No. James Anastasi has opted out of Medicare through October 2, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for James Anastasi was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.