Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Barbara E Amsler, M.D.

Internal Medicine Physician in Algonquin, IL · enumerated 2006.

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

National Provider Identifier

1356351258

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Registry record

Entity type Individual (Type 1)

Name Barbara E Amsler

Credential M.D.

Sex Female

Practice address 2971 W Algonquin Rd, Suite 103, Algonquin, IL, 60102

Phone (815) 704-5433

Fax (847) 669-1228

Enumeration date Aug 9, 2006

Last updated in NPPES Apr 9, 2020

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036-073547 (IL) Primary

2083P0901X Public Health & General Preventive Medicine Physician Allopathic & Osteopathic Physicians · License 036.037547 (IL) Secondary

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
036073547	Medicaid	IL	-

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

What is the NPI number for Barbara Amsler?

The National Provider Identifier (NPI) for Barbara Amsler is 1356351258, a Type 1 (individual) record in the CMS NPPES registry.

Where does Barbara Amsler practice?

The practice location on file with NPPES is in Algonquin, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-04-09.