NPPES file of Aug 9, 2026

Chad Allen Warren, M.D.

Orthopaedic Surgery Physician · Everett, WA

Chad Allen Warren, M.D. is an orthopaedic surgery physician with a practice address in Everett, Washington, and NPI 1235244054, issued on Aug 20, 2006. Check the license (Washington MD00047258, 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
1235244054
Name
Chad Allen Warren
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License numbers
MD00047258 WA
46308 MN
Self-reported in NPPES; status is on the state search
Practice location
1330 Rockefeller Ave, Everett, WA 98201
Phone
(425) 339-5476
Enumerated
Aug 20, 2006
Record last updated
Apr 4, 2022
Medicaid ID
302130100 MN
Medicare enrollment
Enrolled (PECOS I20071005000078); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 1999
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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8 nearest orthopaedic surgery physician records → All 656 in Washington → Look up another NPI →

Also registered at 1330 Rockefeller Ave

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

  1. Mastaneh Ahmadi-Kashani, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1275768186
  2. Luis Fernando Alberton, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1588051494
  3. Robert Andre, MDGynecology Physician1275508244
  4. Joseph Austin, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1134189699
  5. Vivek Bhatia, M.D., M.S.Cardiovascular Disease Physician1699094359
  6. Susan Blue, ARNPNurse Practitioner1265543839

Verify Chad Allen Warren in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00047258    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. Western Washington Medical Group Inc PSEverett, WA

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

Chad Allen Warren among 656 orthopaedic surgery physician records in Washington

Chad Allen Warren, M.D. is one of 656 orthopaedic surgery physician records with a practice address in Washington. 67% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 46% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1999 · median 2004 among the 385 with a school on file
  • Record last updated2022 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in Washington

There are 656 orthopaedic surgery physician records in Washington.

All 656 in Washington → Every provider in Everett → Orthopaedic Surgery Physician nationwide →

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Howard Barker, MDEverett, WA 982011114998168
  2. Mark Friedman, MDEverett, WA 982011386690691
  3. Donald Frost, MDEverett, WA 982011720183213
  4. Ralph Haller, M.D.Everett, WA 982011164491429
  5. Brian Hallgarth, MDEverett, WA 982011275638561
  6. Bill Huang, M.D.Everett, WA 982011356361588
  7. Peter Kinahan, M.D.Everett, WA 982011013986488
  8. Robin Madsen, MDEverett, WA 982011972550556

Common questions

What is Chad Allen Warren, M.D.'s NPI number?

Chad Allen Warren, M.D.'s National Provider Identifier (NPI) is 1235244054, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chad Allen Warren, M.D. located?

The NPPES record lists a practice address at 1330 Rockefeller Ave, Everett, WA, 98201. Phone: (425) 339-5476. Providers update this record themselves, so call before visiting.

How can I verify Chad Allen Warren, M.D.'s license?

NPPES lists Washington license number MD00047258, 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.