Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael M. Liddy, MD

Anesthesiology Physician in Indianapolis, IN · enumerated 2007.

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

National Provider Identifier

1285845552

Verified

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Registry record

Entity type Individual (Type 1)

Name Michael M. Liddy

Credential MD

Sex Male

Practice address 8075 N Shadeland Ave Ste 330, Indianapolis, IN, 46250

Phone (317) 355-7220

Enumeration date May 25, 2007

Last updated in NPPES Jan 19, 2026

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 2024042416 (MO) Secondary

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 01091926A (IN) Primary

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License ME110099 (FL) Secondary

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License W1624 (TX) Secondary

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 79070 (AZ) 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
004003300	Medicaid	FL	-
14F6M	Other	FL	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 Michael Liddy?

The National Provider Identifier (NPI) for Michael Liddy is 1285845552, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Liddy practice?

The practice location on file with NPPES is in Indianapolis, IN. 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 2026-01-19.