Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ronald E Michalak, MD

Orthopaedic Surgery Physician in Peterborough, NH · enumerated 2006.

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

National Provider Identifier

1093824591

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Registry record

Entity type Individual (Type 1)

Name Dr. Ronald E Michalak

Credential MD

Sex Male

Practice address 458 Old Street Rd, Suite 200, Peterborough, NH, 03458

Phone (603) 924-2144

Fax (603) 924-3993

Enumeration date Aug 29, 2006

Last updated in NPPES Nov 9, 2015

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 11969 (NH) Secondary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 11969 (NH) 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
01Y005045NH02	Other	NH	ANTHEM BCBS MCH
30203621	Medicaid	NH	-
01Y005045NH03	Other	NH	ANTHEM BCBS MOA

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

Where does Ronald Michalak practice?

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

What is the NPI number for Ronald Michalak?

The National Provider Identifier (NPI) for Ronald Michalak is 1093824591, 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 2015-11-09.