Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Elliott I Greenspan, D.O.

Internal Medicine Physician in Bloomfield Hills, MI · enumerated 2005.

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

National Provider Identifier

1003803966

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Registry record

Entity type Individual (Type 1)

Name Dr. Elliott I Greenspan

Credential D.O.

Sex Male

Practice address 6962 Spruce Hill Ct, Bloomfield Hills, MI, 48301

Phone (248) 245-4833

Enumeration date Oct 5, 2005

Last updated in NPPES Jun 28, 2022

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 5101005633 (MI) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
1188028-11	Medicaid	MI	-
3142396-11	Medicaid	MI	-
1791545-11	Medicaid	MI	-
4865778-11	Medicaid	MI	-

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 Elliott Greenspan?

The National Provider Identifier (NPI) for Elliott Greenspan is 1003803966, a Type 1 (individual) record in the CMS NPPES registry.

Where does Elliott Greenspan practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-28.