Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Margaret J Fehrle, MD

Orthopaedic Surgery Physician in Marshalltown, IA · enumerated 2005.

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

National Provider Identifier

1770576043

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Registry record

Entity type Individual (Type 1)

Name Dr. Margaret J Fehrle

Credential MD

Sex Female

Practice address 312 E Main St, Suite 2400, Marshalltown, IA, 50158

Phone (641) 752-7191

Fax (641) 752-2781

Enumeration date Aug 23, 2005

Last updated in NPPES Sep 24, 2007

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 31397 (IA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
54734	Other	IA	WELLMARK BCBS
0139501	Medicaid	IA	-

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 1770576043 active?

Yes, as of the latest NPPES snapshot, NPI 1770576043 is active (record last updated 2007-09-24).

How do I verify Margaret Fehrle's NPI record?

Cross-check NPI 1770576043 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-09-24.