NPPES file of Aug 9, 2026

Ruben Krishnananthan, MD

Nuclear Medicine Physician · Lynnwood, WA

Ruben Krishnananthan, MD is a nuclear medicine physician with a practice address in Lynnwood, Washington, and NPI 1891807863, issued on Aug 31, 2006. Check the license (Washington MD00045187, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891807863
Name
Ruben Krishnananthan
Credential
MD
Primary taxonomy
Nuclear Medicine Physician 207U00000X
License number
MD00045187 WA
Self-reported in NPPES; status is on the state search
Practice location
19020 33RD Ave W, Lynnwood, WA 98036
Phone
(425) 563-1500
Enumerated
Aug 31, 2006
Record last updated
Dec 30, 2025
Fax
(425) 563-1501
Medicaid ID
1021587 WA
Medicare enrollment
Enrolled (PECOS I20070517000694); accepts Medicare assignment
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 19020 33RD Ave W

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

  1. Julie Adam, MDPediatric Radiology Physician1801874128
  2. Kathrin Ahl, M.D.Diagnostic Radiology Physician1790747863
  3. Larry Anderson, M.D.Diagnostic Radiology Physician1215924774
  4. Dae Hee Bang, M.D.Diagnostic Radiology Physician1972515211
  5. Kara Carlson, M.D.Diagnostic Radiology Physician1356338818
  6. Arthur Castagno, M.D.Diagnostic Radiology Physician1376530048

Verify Ruben Krishnananthan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00045187    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 13 group practices

  1. County OF Santa ClaraSan Jose, CA
  2. Evergreen Radia LLCKirkland, WA
  3. Optum Care Washington PLLCEverett, WA
  4. Public Hospital District NO 4 King County WashingtonSnoqualmie, WA
  5. Radia California Radiology Medical Group IncJersey City, NJ
  6. Radia Imaging Center Holdings LLCSeattle, WA
  7. Radia Inc P SPost Falls, ID
  8. South Sound Radiologists Inc P SOlympia, WA
  9. Swedish Health ServicesEverett, WA
  10. Swedish Health ServicesSeattle, WA
  11. Swedish Health ServicesSeattle, WA
  12. Swedish Radia Imaging Center AT Edmonds LLCEdmonds, WA
  13. Yakima Valley Memorial PhysiciansYakima, WA

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

Nuclear Medicine Physician providers in Washington

There are 23 nuclear medicine physician records in Washington.

All 23 in Washington → Every provider in Lynnwood →

Other nuclear medicine physician records in Washington

  1. Fatemeh Behnia, MDSeattle, WA1346437498
  2. Jerome Billingsley, M.D.Tacoma, WA1326105578
  3. Angela Castellanos Rodriguez, MD, MSCSeattle, WA1669008538
  4. Charles Chesnut, MDSeattle, WA1609952456
  5. Esther Choi, M.D.Seattle, WA1134162803
  6. Jonathan Davison, M.D.Tacoma, WA1376500579
  7. William Elton, MDLongview, WA1538194071
  8. Bruce Gilbert, MDAuburn, WA1306845953
  9. Sara HaseliSeattle, WA1578361598
  10. Naoya Hattori, MDSeattle, WA1497943872

Common questions

What is Ruben Krishnananthan, MD's NPI number?

Ruben Krishnananthan, MD's National Provider Identifier (NPI) is 1891807863, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ruben Krishnananthan, MD located?

The NPPES record lists a practice address at 19020 33RD Ave W, Lynnwood, WA, 98036. Phone: (425) 563-1500. Providers update this record themselves, so call before visiting.

How can I verify Ruben Krishnananthan, MD's license?

NPPES lists Washington license number MD00045187, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.