Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mrs. Margaret Helen Ostrowski, MS,PCC-S,REGPLAYTH-S

Mental Health Counselor in Mansfield, OH · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1700941457

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Registry record

Entity type Individual (Type 1)

Name Mrs. Margaret Helen Ostrowski

Credential MS,PCC-S,REGPLAYTH-S

Sex Female

Practice address Mansfield, OH, 44907

Phone (419) 774-2228

Fax (419) 774-6882

Enumeration date Dec 23, 2006

Last updated in NPPES Mar 5, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License E.0007778-SUPV (OH) Primary

101Y00000X Counselor Behavioral Health & Social Service Providers · License 6401011004 (MI) Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 6401011004 (MI) Secondary

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License E0007778 (OH) Secondary

Other identifiers

Identifier	Type	State	Issuer
11758178	Other	-	CAQH

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1700941457 active?

Yes, as of the latest NPPES snapshot, NPI 1700941457 is active (record last updated 2020-03-05).

How do I verify Margaret Ostrowski's NPI record?

Cross-check NPI 1700941457 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

Browse all →

The Center for Individual and Family Services, Inc. Mental Health Clinic/Center (Including Community Mental Health Center) · Mansfield, OH NPI 1487669222 Karen Lowe Psychiatry Physician · Mansfield, OH NPI 1740340512 Jeffrey Jones Psychiatric/Mental Health Clinical Nurse Specialist · Mansfield, OH NPI 1891855482 Julie Sargel Clinical Social Worker · Mansfield, OH NPI 1639220478 Debra Panke Child & Adolescent Psychiatry Physician · Mansfield, OH NPI 1548393531 Sarah Redding Public Health & General Preventive Medicine Physician · Mansfield, OH NPI 1407972797 Jamila Khan Child & Adolescent Psychiatry Physician · Mansfield, OH NPI 1356565881 Holly Babcock Clinical Social Worker · Mansfield, OH NPI 1548487739

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-03-05.