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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Margaret A Eckstein, MD

Internal Medicine Physician in Cleveland, OH · enumerated 2006.

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

National Provider Identifier

1891894721

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Registry record

Entity type Individual (Type 1)
Name Dr. Margaret A Eckstein
Credential MD
Sex Female
Practice address 18599 Lakeshore Blvd, Cleveland, OH, 44119
Phone (216) 383-0100
Fax (216) 383-6481
Enumeration date Sep 21, 2006
Last updated in NPPES May 20, 2008

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 35047712 (OH) 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
0493701 Medicaid OH -

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 1891894721 active?
Yes, as of the latest NPPES snapshot, NPI 1891894721 is active (record last updated 2008-05-20).
How do I verify Margaret Eckstein's NPI record?
Cross-check NPI 1891894721 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 2008-05-20.