OrganizationActive
Central Wisconsin Surgical Associates Sc
NPI 1336178318 · Surgery Physician · Palmer, AK
Provider details
- NPI number
- 1336178318
- Entity type
- Organization
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Zwiacher, Physcian(907) 357-1917
- License
- 3719 (AK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
2490 S Woodworth Loop
Suite 300
Palmer, AK 99645-7405
Phone: (907) 357-1917
Street-level locationGet directions
Mailing address
3640 N Travelair Dr
Wasilla, AK 99654-4312
Other names (DBA / former)
- Doing business as
- John W. Zwiacher
Registry dates
- Enumerated
- 2006-07-01
- Last updated
- 2008-06-17
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.