NPPES file of Aug 9, 2026

Lavanya Viswanathan, MD

Endocrinology, Diabetes & Metabolism Physician · Burien, WA

Lavanya Viswanathan, MD is an endocrinology, diabetes & metabolism physician with a practice address in Burien, Washington, and NPI 1285029959, issued on Mar 31, 2015. Check the license (Washington MD60956240, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285029959
Name
Lavanya Viswanathan
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
MD60956240 WA
MD461531 PA
Self-reported in NPPES; status is on the state search
Practice location
16045 1St Ave S FL 1, Burien, WA 98148
Phone
(206) 965-4100
Enumerated
Mar 31, 2015
Record last updated
Jan 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(253) 426-6344
Medicaid IDs
103323750 PA
2143287 WA
Medicare enrollment
Enrolled (PECOS I20200109000354); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 16045 1St Ave S FL 1

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Katayoun Akbari, PACPhysician Assistant1972072106
  2. Freeha Bokhari, M.D.Family Medicine Physician1043289796
  3. Arashpreet Chhina, MDInternal Medicine Physician1831833060
  4. Charissa Chi, ARNPFamily Nurse Practitioner1336653005
  5. Mia Concordia, MSW, LICSWClinical Social Worker1609242890
  6. Marnie Cowell, ARNPFamily Nurse Practitioner1528469004

Verify Lavanya Viswanathan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60956240
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

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1% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

2,654 Medicare Part D claims for 365 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.

  1. Lavanya Viswanathan2,654
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium180 claims
  2. Jardiance177 claims
  3. Glimepiride166 claims
  4. Metformin Hcl164 claims
  5. Lantus Solostar126 claims
  6. Ozempic115 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.

Bills Medicare through one group practice

  1. Franciscan Medical GroupBurien, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Washington

There are 224 endocrinology, diabetes & metabolism physician records in Washington.

Other endocrinology, diabetes & metabolism physician records in Washington

  1. Sonia AfshariyamchlouRichland, WA1396290128
  2. Tanya AggarwalSilverdale, WA1568031870
  3. Iram Ahmad, M.D.Seattle, WA1730319484
  4. Mandana Ahmadian, MDBellevue, WA1164473914
  5. Anam Akmal, M.DLacey, WA1568783926
  6. Jules Aljammal, M.D.Issaquah, WA1083846018
  7. Khalil Alsoutary, MDBellingham, WA1619388980
  8. Bradley Anawalt, MDSeattle, WA1144316977
  9. George Ang, MDMount Vernon, WA1396737326
  10. Dharscika Arudkumaran, MDEverett, WA1396199071

Common questions

What is Lavanya Viswanathan, MD's NPI number?

Lavanya Viswanathan, MD's National Provider Identifier (NPI) is 1285029959, issued on Mar 31, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Lavanya Viswanathan, MD located?

The NPPES record lists a practice address at 16045 1St Ave S FL 1, Burien, WA, 98148. Phone: (206) 965-4100. Providers update this record themselves, so call before visiting.

How can I verify Lavanya Viswanathan, MD's license?

NPPES lists Washington license number MD60956240, 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 Lavanya Viswanathan, MD prescribe under Medicare Part D?

In 2024, Lavanya Viswanathan, MD had 2,654 Medicare Part D claims for 365 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.