Doctor profile · Federal record

Dr. Sten Willander

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Boston, MA

  • NPI 1053804641
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Boston Medical Ctr Pl
Boston, MA 021182908
(617) 638-8000
Mailing address
690 Canton St Ste 325
Westwood, MA 020902324

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Massachusetts #RN236207

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053804641. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
165
Distinct HCPCS
5
Medicare allowed
$10,940
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 66 66 $69
00811 Anesthesia for other procedure on large bowel using an endoscope 38 38 $70
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 25 25 $71
00812 Anesthesia for exam of colon using an endoscope 18 18 $56
00812 Anesthesia for exam of colon using an endoscope 18 18 $52

In context: peer comparison

Among 104 peers in this city , average services per provider: 30. This provider delivers 5.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Sten Willander's medical specialty?
Dr. Sten Willander practices Certified Registered Nurse Anesthetist in Boston, MA.
Where does Dr. Sten Willander practice?
Dr. Sten Willander practices at 1 Boston Medical Ctr Pl, Boston, MA 021182908. Office phone: 6176388000.
What is Dr. Sten Willander's NPI?
Dr. Sten Willander's National Provider Identifier (NPI) is 1053804641, issued by NPPES.
Does Dr. Sten Willander accept Medicare assignment?
Dr. Sten Willander does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Sten Willander commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.