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

Daniel R Langan II, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1922037175

Daniel R Langan II, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Baraboo, Wisconsin. Qualified in 2004, 22 years ago. Practices with Mercy Health System Corporation, a 751-clinician group, works from 4 locations 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.

See every abbreviation used in this directory →

Practice location Address checks out

707 14th St
Baraboo, WI 53913-1539
Phone: (608) 356-1400
Fax: (608) 356-1367
Show map & directions

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

Additional practice locations (3)

  • 1000 Mineral Point Ave, Janesville, WI 53548-2982 — (608) 756-6868
  • 2817 New Pinery Road, Portage, WI 53901-0387 — (608) 742-4131
  • 501 Gopher Dr, Tomah, WI 54660-4513 — (608) 697-4277

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 154282030 (WI)

Record details

NPI number1922037175
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJuly 1, 2006
Last updated in NPPESOctober 7, 2025
Certification dateOctober 7, 2025

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 Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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