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

Dr. Sarena R Toellner, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1346505443

Dr. Sarena R Toellner, MD is an Endocrinology in Everett, Washington. Qualified in 2011, 15 years ago. Practices with Optum Care Washington PLLC, a 685-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Indiana and Washington.

Years since qualifying
15
Licensed in
IN, WA
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3901 Hoyt Ave
Everett, WA 98201-4918
Phone: (425) 339-5453
Fax: (425) 257-1423
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence MD61129430 (WA)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 01079105A (IN)

Record details

NPI number1346505443
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2012
Last updated in NPPESApril 22, 2026
Certification dateApril 22, 2026

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Optum Care Washington Pllc — 685 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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