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

Siwen Liu, DO

Individual provider Surgery Physician · NPI 1972037158

Siwen Liu, DO is a General Surgery in Baldwin, Wisconsin. Qualified in 2017, 9 years ago. Practices with Baldwin Area Medical Center Inc, a 86-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
9
Licensed in
WI
In the registry since
2017
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1100 Bergslien St
Baldwin, WI 54002-2600
Phone: (715) 684-1111
Fax: (715) 684-1119
Show map & directions

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

Additional practice locations (2)

  • 2601 E Roosevelt St, Phoenix, AZ 85008-4973 — (602) 344-5445
  • 100 Woods Rd, Valhalla, NY 10595-1530 — (914) 493-7000

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 81075 (WI)

Record details

NPI number1972037158
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 14, 2017
Last updated in NPPESDecember 29, 2023
Certification dateDecember 29, 2023
Mailing address1100 Bergslien St, Baldwin, WI 54002-2600

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Baldwin Area Medical Center Inc — 86 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Baldwin