Sarena R. Toellner, M.D.
Endocrinology, Diabetes & Metabolism Physician · Everett, WA
Sarena R. Toellner, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Everett, Washington, and NPI 1346505443, issued on Jul 5, 2012. Check the license (Washington MD61129430, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Sarena R. Toellner
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- MD61129430 WA
01079105A IN
Self-reported in NPPES; status is on the state search - Practice location
- 3901 Hoyt Ave, Everett, WA 98201
- Phone
- (425) 339-5453
- Enumerated
- Jul 5, 2012
- Record last updated
- Apr 22, 2026
- Fax
- (425) 257-1423
- Medicaid ID
- 2175620 WA
- Medicare enrollment
- Enrolled (PECOS I20210511002667); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 224 in Washington → Look up another NPI →
Also registered at 3901 Hoyt Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rachel Allen, D.O.Neurology Physician1982866158
- Ahmed AlshabanHematology & Oncology Physician1720442650
- Samuel Armstrong, MDInternal Medicine Physician1548325988
Verify Sarena R. Toellner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61129430Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,525 Medicare Part D claims for 382 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 63% of claims.
Most prescribed
- Levothyroxine Sodium271 claims
- Lantus Solostar183 claims
- Mounjaro149 claims
- Ozempic147 claims
- Trulicity143 claims
- Jardiance109 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $53.60
2 payments; by number, the most common kind was food and beverage; the largest payer was Nevro Corp. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Optum Care Washington PLLCEverett, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarena R. Toellner among 224 endocrinology, diabetes & metabolism physician records in Washington
Sarena R. Toellner, M.D. is one of 224 endocrinology, diabetes & metabolism physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 70% of them.
- NPI issued2012 · 70% of these records are older, 25% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2011 · median 2006 among the 140 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Washington
There are 224 endocrinology, diabetes & metabolism physician records in Washington.
All 224 in Washington → Every provider in Everett → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Dharscika Arudkumaran, MDEverett, WA 982011396199071
- Alyssa Carvalho, MDEverett, WA 982011861055642
- David Liao, MDEverett, WA 982011861433419
- Jean Jacques Nya-Ngatchou, M.D.Everett, WA 982011396076139
- Michael Tamber, MDEverett, WA 982011821002866
- Anh Tran, D.O.Everett, WA 982011063861813
- Alan Wong, MDEverett, WA 982011518070234
- George Hammond, M.D.Everett, WA 982031255364618
Common questions
What is Sarena R. Toellner, M.D.'s NPI number?
Sarena R. Toellner, M.D.'s National Provider Identifier (NPI) is 1346505443, issued on Jul 5, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Sarena R. Toellner, M.D. located?
The NPPES record lists a practice address at 3901 Hoyt Ave, Everett, WA, 98201. Phone: (425) 339-5453. Providers update this record themselves, so call before visiting.
How can I verify Sarena R. Toellner, M.D.'s license?
NPPES lists Washington license number MD61129430, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sarena R. Toellner, M.D. prescribe under Medicare Part D?
In 2024, Sarena R. Toellner, M.D. had 2,525 Medicare Part D claims for 382 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.