Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Margaret Tiemann Steinbach, RNC, ARNP

Critical Care Neonatal Nurse Practitioner in Sunrise, FL · enumerated 2006.

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

National Provider Identifier

1003870197

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Registry record

Entity type Individual (Type 1)

Name Mrs. Margaret Tiemann Steinbach

Credential RNC, ARNP

Sex Female

Practice address 1301 Concord Ter, Sunrise, FL, 33323

Phone (800) 243-3839

Fax (954) 838-9951

Enumeration date Apr 14, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363LN0005X Critical Care Neonatal Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License ARNP 9185335 (FL) Primary

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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Margaret Steinbach?

Margaret Steinbach is registered in NPPES with the primary taxonomy of Critical Care Neonatal Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.