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

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
Mailing address1000 N Oak Ave, Marshfield, WI 54449-5777

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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