Quick answers
- Which hospitals does Daniel R. Langan Ii work at?
- Medicare's official clinician data lists Daniel R. Langan Ii at 4 hospitals: Aspirus Divine Savior Hospital, Mercy Health System Corp, SSM Health St Clare Hospital - Baraboo and SSM Health St Mary's Hospital - Madison. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Daniel R. Langan Ii see patients?
- Medicare's clinician data lists 2 practice locations, including Janesville, WI and Baraboo, WI. Call before your visit to confirm the address.
- What is Daniel R. Langan Ii's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Daniel R. Langan Ii accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel R. Langan Ii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Daniel R. Langan Ii?
- (608) 756-6000, as listed in official Medicare / NPI Registry data.
- What is Daniel R. Langan Ii's NPI number?
- 1922037175. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daniel R. Langan Ii works
Medicare's Facility Affiliation Data lists Daniel R. Langan Ii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aspirus Divine Savior HospitalPortage, WI · Acute Care Hospital · CCN 520041
- Mercy Health System CorpJanesville, WI · Acute Care Hospital · CCN 520066
- SSM Health St Clare Hospital - BarabooBaraboo, WI · Acute Care Hospital · CCN 520057
- SSM Health St Mary's Hospital - MadisonMadison, WI · Acute Care Hospital · CCN 520083
Practice locations
Addresses where Daniel R. Langan Ii is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 Mineral Point AveJanesville, WI 53548 (608) 756‑6000
- 707 14th StBaraboo, WI 53913 (608) 356‑1400
Group practices
Medicare enrollment lists Daniel R. Langan Ii as a member of these groups (CMS data updated 2026-10-02).
- Dean Health Systems Inc1,159 clinicians in the group
- Mercy Health System Corporation753 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Wisconsin →
Other nurse anesthetists in Janesville
Clinicians with the same Medicare primary specialty in Janesville, WI — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922037175 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians