Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Don A Harden, MD

Individual provider Sleep Medicine (Internal Medicine) Physician · NPI 1144380577

Dr. Don A Harden, MD is a Sleep Medicine (Internal Medicine) Physician in Fitchburg, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2844 Index Rd
Fitchburg, WI 53713-3117
Phone: (608) 229-7979
Fax: (608) 229-8110
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence 48535-20 (WI)

Record details

NPI number1144380577
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 8, 2006
Last updated in NPPESMarch 7, 2023
Mailing address2844 Index Rd, Fitchburg, WI 53713-3117

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