NPPES file of Aug 9, 2026

James Jeffrey Chien, M.D.

Anesthesiology Physician · Mesa, AZ

James Jeffrey Chien, M.D. is an anesthesiology physician with a practice address in Mesa, Arizona, and NPI 1457411704, issued on Dec 9, 2006. Check the license (Arizona 40347, as entered in NPPES) on the Arizona Medical Board; 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
1457411704
Name
James Jeffrey Chien
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
40347 AZ
231477 MA
Self-reported in NPPES; status is on the state search
Practice location
2919 S Ellsworth RD, Mesa, AZ 85212
Phone
(480) 649-3111
Enumerated
Dec 9, 2006
Record last updated
May 27, 2022
Medicare enrollment
Enrolled (PECOS I20080828000444); accepts Medicare assignment
Medical or professional school
Duke University School Of Medicine, 2003
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 anesthesiology physician records → All 1,473 in Arizona → Look up another NPI →

Also registered at 2919 S Ellsworth RD

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

  1. Brian Allen, DPMPodiatrist1386636678
  2. Kristy Brown, STSpeech-Language Pathologist1003089301
  3. Stan Covington, DDSDentist1154478808
  4. Todd Gooch, DPTPhysical Therapist1770792079
  5. Aimee Hada, PA-CMedical Physician Assistant1508024175
  6. Charles LemoineOccupational Therapist1740473206

Verify James Jeffrey Chien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 40347    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 Arizona 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. Banner Hospital Based Physicians Arizona LLCGilbert, AZ

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

James Jeffrey Chien among 1,473 anesthesiology physician records in Arizona

James Jeffrey Chien, M.D. is one of 1,473 anesthesiology physician records with a practice address in Arizona. 73% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 44% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2003 · median 2003 among the 984 with a school on file
  • Record last updated2022 · 60% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in Arizona

There are 1,473 anesthesiology physician records in Arizona.

All 1,473 in Arizona → Every provider in Mesa → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Jimmie Watkins, M.D. PH.D. D.D.SMesa, AZ 852121235178260
  2. Trenton Baker, DOMesa, AZ 852091710340153
  3. Robert Gerson, MDMesa, AZ 852151780614354
  4. Paul Addessi, MDMesa, AZ 852061629059373
  5. Brian Delisio, MDMesa, AZ 852061437186335
  6. John Harrison, MDMesa, AZ 852061730133489
  7. Alexander Kim, M.D.Mesa, AZ 852061629102033
  8. David Nielsen, M.D.Mesa, AZ 852061639513773

Common questions

What is James Jeffrey Chien, M.D.'s NPI number?

James Jeffrey Chien, M.D.'s National Provider Identifier (NPI) is 1457411704, issued on Dec 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Jeffrey Chien, M.D. located?

The NPPES record lists a practice address at 2919 S Ellsworth RD, Mesa, AZ, 85212. Phone: (480) 649-3111. Providers update this record themselves, so call before visiting.

How can I verify James Jeffrey Chien, M.D.'s license?

NPPES lists Arizona license number 40347, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. 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.