Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael Bader, MD

Internal Medicine Physician in Stoneham, MA · enumerated 2006.

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

National Provider Identifier

1184689804

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Registry record

Entity type Individual (Type 1)

Name Michael Bader

Credential MD

Sex Male

Practice address 92 Montvale Ave, Suite 3700, Stoneham, MA, 02180

Phone (781) 438-5543

Fax (781) 438-2001

Enumeration date Apr 18, 2006

Last updated in NPPES Apr 8, 2011

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 52061 (MA) 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
6175147	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

What is the NPI number for Michael Bader?

The National Provider Identifier (NPI) for Michael Bader is 1184689804, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Bader practice?

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

Other providers at this practice address

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William Doherty Specialist · Stoneham, MA NPI 1669466223 Larah Bartlett-Jacques Adult Health Nurse Practitioner · Stoneham, MA NPI 1407837230 Julianne Stoughton Surgery Physician · Stoneham, MA NPI 1033191671 Donald Colantino Internal Medicine Physician · Stoneham, MA NPI 1225008410 Sangeeta Banerjee Psychiatry Physician · Stoneham, MA NPI 1285605907 Peter Gee Specialist · Stoneham, MA NPI 1104890268 Jonathan Hall Plastic and Reconstructive Surgery Physician · Stoneham, MA NPI 1912974163 Michelle Lock Pediatrics Physician · Stoneham, MA NPI 1134183429

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-04-08.