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

Dr. David A Loiterman, M.D.

Vascular Surgery Physician in Hinsdale, IL · enumerated 2006.

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

National Provider Identifier

1992731582

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Registry record

Entity type Individual (Type 1)

Name Dr. David A Loiterman

Credential M.D.

Sex Male

Practice address Hinsdale, IL, 60521

Phone (708) 354-8881

Fax (708) 354-8340

Enumeration date Jun 24, 2006

Last updated in NPPES Jul 19, 2011

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

Taxonomy & licenses

2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians · License 036-068602 (IL) 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
036068602	Medicaid	IL	-
020026349	Other	-	MEDICARE RAILROAD
022-01663	Other	IL	BLUE CROSS BLUE SHIELD

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 David Loiterman?

The National Provider Identifier (NPI) for David Loiterman is 1992731582, a Type 1 (individual) record in the CMS NPPES registry.

Where does David Loiterman practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-07-19.