Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Michael L Didonna, MD

Orthopaedic Hand Surgery Physician in Fishers, IN · enumerated 2006.

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

National Provider Identifier

1841260072

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Registry record

Entity type Individual (Type 1)

Name Mr. Michael L Didonna

Credential MD

Sex Male

Practice address 13100 E 136th St, Suite 2000, Fishers, IN, 46037

Phone (317) 688-5980

Fax (317) 678-3222

Enumeration date Jan 23, 2006

Last updated in NPPES Jan 14, 2021

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License K8620 (TX) Secondary

207XS0106X Orthopaedic Hand Surgery Physician Allopathic & Osteopathic Physicians · License K8620 (TX) Secondary

207XS0106X Orthopaedic Hand Surgery Physician Allopathic & Osteopathic Physicians · License 01070054A (IN) 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
161226901	Medicaid	TX	-
201040320	Medicaid	IN	-

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.

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Frequently asked questions

What is the NPI number for Michael Didonna?

The National Provider Identifier (NPI) for Michael Didonna is 1841260072, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Didonna practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-01-14.