Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Howard Lyle Einhorn, MD

Internal Medicine Physician in Melrose Park, IL · enumerated 2006.

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

National Provider Identifier

1972556264

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Registry record

Entity type Individual (Type 1)

Name Dr. Howard Lyle Einhorn

Credential MD

Sex Male

Practice address 675 W North Ave, Suite 311, Melrose Park, IL, 60160

Phone (708) 450-5745

Fax (708) 345-3927

Enumeration date May 18, 2006

Last updated in NPPES May 31, 2026

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036056302 (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
01608583	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 Howard Einhorn?

The National Provider Identifier (NPI) for Howard Einhorn is 1972556264, a Type 1 (individual) record in the CMS NPPES registry.

Where does Howard Einhorn practice?

The practice location on file with NPPES is in Melrose Park, 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 2026-05-31.