Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael Ross Disiena, D.O.

Surgical Oncology Physician in Pittsfield, MA · enumerated 2005.

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

National Provider Identifier

1770572273

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Registry record

Entity type Individual (Type 1)

Name Michael Ross Disiena

Credential D.O.

Sex Male

Practice address 777 North St, Suite 407, Pittsfield, MA, 01201

Phone (413) 445-6420

Fax (413) 499-4907

Enumeration date Oct 18, 2005

Last updated in NPPES Sep 26, 2007

Taxonomy & licenses

2086X0206X Surgical Oncology Physician Allopathic & Osteopathic Physicians · License 155050 (MA) 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
2107775	Medicaid	MA	-

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

Where does Michael Disiena practice?

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

What is the NPI number for Michael Disiena?

The National Provider Identifier (NPI) for Michael Disiena is 1770572273, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-09-26.