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

Individual provider Certified Registered Nurse Anesthetist · NPI 1497842157

Steven A Hadlock, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Marshfield, Wisconsin. Qualified in 2004, 22 years ago. Practices with Aspirus Medford Hospital and Clinics Inc, a 125-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
22
Licensed in
WI
In the registry since
2006
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

1000 N Oak Ave
Marshfield, WI 54449
Phone: (715) 387-5511
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 130052 (WI)

Record details

NPI number1497842157
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedOctober 6, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Aspirus Medford Hospital And Clinics Inc — 125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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