NPPES file of Aug 9, 2026

Linus A. Loo, MD

Hospitalist Physician · Renton, WA

Linus A. Loo, MD is a hospitalist physician with a practice address in Renton, Washington, and NPI 1851683338, issued on May 3, 2011. Check the license (Washington MD60479592, 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
1851683338
Name
Linus A. Loo
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
MD60479592 WA
Self-reported in NPPES; status is on the state search
Practice location
400 S 43RD St, Renton, WA 98055
Phone
(425) 251-5110
Enumerated
May 3, 2011
Record last updated
Mar 27, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(425) 793-4707
Medicaid ID
2020081 WA
Medicare enrollment
Enrolled (PECOS I20140719000060); 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 400 S 43RD St

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

  1. Jesse Abbott Klafter, M.D.Hospitalist Physician1225394935
  2. Sujata Acharya, PTPhysical Therapist1972737310
  3. Meghna Agarwal, MDHospitalist Physician1649859182
  4. Makeda Agonafer, M.D.Neurology Physician1215371935
  5. Jenny Alden, SLPSpeech-Language Pathologist1659691186
  6. Anjella Ysabel Alejo, PTPhysical Therapist1477378115

Verify Linus A. Loo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60479592
    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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13% more Medicare Part D claims than the average hospitalist physician in 2024

587 Medicare Part D claims for 147 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 18 claims were for opioids.

  1. Linus Loo587
  2. Specialty average521

Most prescribed

  1. Eliquis56 claims
  2. Furosemide34 claims
  3. Amlodipine Besylate30 claims
  4. Pantoprazole Sodium28 claims
  5. Carvedilol25 claims
  6. Metoprolol Succinate25 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. Valley Medical Group-RentonCovington, WA

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

Linus A. Loo among 793 hospitalist physician records in Washington

Linus A. Loo, MD is one of 793 hospitalist physician records with a practice address in Washington. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 43% of them.

  • NPI issued2011 · 43% of these records are older, 52% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2011 · median 2011 among the 649 with a school on file
  • Record last updated2019 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

42 hospitalist physician records list a practice address in Renton

They are 42 of the 3,147 NPPES records with a practice address in Renton, and 793 hospitalist physician records in Washington.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Nazir Balouch, MDRenton, WA 980551942454061
  2. Shahina Banthanavasi, MDRenton, WA 980551790700607
  3. Sydney Cousin, MDRenton, WA 980551497954176
  4. Fatime Goda, MDRenton, WA 980551548335060
  5. Ayesha Haq, MDRenton, WA 980551508931056
  6. Jiyun Kim, MDRenton, WA 980551326202078
  7. Lisa Leung, M.D.Renton, WA 980551649431917
  8. Brian Levy, M.D.Renton, WA 980551043272925

Common questions

What is Linus A. Loo, MD's NPI number?

Linus A. Loo, MD's National Provider Identifier (NPI) is 1851683338, issued on May 3, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Linus A. Loo, MD located?

The NPPES record lists a practice address at 400 S 43RD St, Renton, WA, 98055. Phone: (425) 251-5110. Providers update this record themselves, so call before visiting.

How can I verify Linus A. Loo, MD's license?

NPPES lists Washington license number MD60479592, 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 Linus A. Loo, MD prescribe under Medicare Part D?

In 2024, Linus A. Loo, MD had 587 Medicare Part D claims for 147 beneficiaries; the average among hospitalist physician prescribers was 521. 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.