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

Dr. William R Hartman, MD

Individual provider Anesthesiology Physician · NPI 1659345080

Dr. William R Hartman, MD is an Anesthesiology in Eau Claire, Wisconsin. Qualified in 2003, 23 years ago. Practices with Mayo Clinic Health System-Northwest Wisconsin Region Inc, a 799-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Colorado, Minnesota and Wisconsin.

Years since qualifying
23
Licensed in
CO, MN, WI
In the registry since
2006
Specialties on file
3
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

1400 Bellinger St
Eau Claire, WI 54703-5222
Phone: (715) 838-5222
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 200 1st St Sw, Rochester, MN 55905-0001 — (507) 284-2511
  • 3096 Edenberry St, Fitchburg, WI 53711-7201 — (507) 254-1478

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 71453 (WI)
Anesthesiology Physician Taxonomy 207L00000X · Licence 46750 (MN)
Anesthesiology Physician Taxonomy 207L00000X · Licence 0055601 (CO)

Record details

NPI number1659345080
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 14, 2006
Last updated in NPPESMay 18, 2026
Certification dateMay 18, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Mayo Clinic Health System-Northwest Wisconsin Region Inc — 799 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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