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

Individual provider Certified Registered Nurse Anesthetist · NPI 1821062167

Timothy S Masselink, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Sioux Falls, South Dakota. Qualified in 2005, 21 years ago. Practices with Ophthalmology Ltd Eye Surgery Center L L C, a 9-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
21
Licensed in
SD
In the registry since
2006
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

1305 W 18th St
Sioux Falls, SD 57105-0401
Phone: (605) 333-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence CR000632 (SD)

Record details

NPI number1821062167
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedFebruary 14, 2006
Last updated in NPPESOctober 25, 2007

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Ophthalmology Ltd Eye Surgery Center L L C — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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