NPPES file of Aug 9, 2026

R Joseph Isner, MD

Anesthesiology Physician · Renton, WA

R Joseph Isner, MD is an anesthesiology physician with a practice address in Renton, Washington, and NPI 1508977968, issued on Aug 31, 2006. Check the license (Washington MD00036510, 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
1508977968
Name
R Joseph Isner
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
MD00036510 WA
Self-reported in NPPES; status is on the state search
Practice location
400 S 43RD St, Renton, WA 98055
Phone
(425) 353-3788
Enumerated
Aug 31, 2006
Record last updated
Mar 7, 2023
Fax
(425) 353-8041
Medicaid ID
8235582 WA
Medicare enrollment
Enrolled (PECOS I20110125000045); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 1988
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 R Joseph Isner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00036510
    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 one group practice

  1. Valley Anesthesia Associates PLLCRenton, WA

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

R Joseph Isner among 1,701 anesthesiology physician records in Washington

R Joseph Isner, MD is one of 1,701 anesthesiology physician records with a practice address in Washington. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 55% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1988 · median 2007 among the 1,103 with a school on file
  • Record last updated2023 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in Washington

There are 1,701 anesthesiology physician records in Washington.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Steven Bice, MDRenton, WA 980551184735516
  2. Cara Lukin-Williams, MDRenton, WA 980551629182456
  3. Curtis MaslenRenton, WA 980551780795088
  4. Gregory Maurer, MDRenton, WA 980551851492375
  5. John Nardella, MDRenton, WA 980551417908591
  6. Manh Nguyen, MDRenton, WA 980551376654681
  7. Ichiro Otsu, MDRenton, WA 980551053422378
  8. Robert Paek, MDRenton, WA 980551457462780

Common questions

What is R Joseph Isner, MD's NPI number?

R Joseph Isner, MD's National Provider Identifier (NPI) is 1508977968, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is R Joseph Isner, MD located?

The NPPES record lists a practice address at 400 S 43RD St, Renton, WA, 98055. Phone: (425) 353-3788. Providers update this record themselves, so call before visiting.

How can I verify R Joseph Isner, MD's license?

NPPES lists Washington license number MD00036510, 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.

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.