NPPES file of Aug 9, 2026

Chia Yang, M.D.

Internal Medicine Physician · Phoenix, AZ

Chia Yang, M.D. is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1508026170, issued on Jun 16, 2008. Check the license (Arizona R70156, 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
1508026170
Name
Chia Yang
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
R70156 AZ
Self-reported in NPPES; status is on the state search
Practice location
350 W Thomas RD, Phoenix, AZ 85013
Phone
(602) 406-3538
Enumerated
Jun 16, 2008
Record last updated
Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20111004000352); 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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8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →

Also registered at 350 W Thomas RD

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

  1. Carolyn AbrahamSpeech-Language Pathologist1275811176
  2. Abdullah Abu KarInternal Medicine Physician1407239718
  3. Melanie Adarme Sanchez, MDStudent in an Organized Health Care Education/Training Program1780444257
  4. Christine Adham, DOAnesthesiology Physician1679953202
  5. Caitlyn Adley, CRNACertified Registered Nurse Anesthetist1760849079
  6. Rexhina Ago, DOStudent in an Organized Health Care Education/Training Program1568302065

Verify Chia Yang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license R70156    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. Southern California Permanente Medical GroupDowney, CA

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

Chia Yang among 2,853 internal medicine physician records in Arizona

Chia Yang, M.D. is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.

  • NPI issued2008 · 53% of these records are older, 43% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2000 · median 2003 among the 1,643 with a school on file
  • Record last updated2021 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

695 internal medicine physician records list a practice address in Phoenix

They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.

All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Paul Benchwick, D.O.Phoenix, AZ 850131346220134
  2. James Blair, MDPhoenix, AZ 850131780631044
  3. Obinna Egbo, M.D.Phoenix, AZ 850131992768378
  4. Sonal Haerter, M.D.Phoenix, AZ 850131619980737
  5. Matthew Hemstreet, M.D.Phoenix, AZ 850131275553182
  6. Steve Ibrahim, D.O.Phoenix, AZ 850131174634547
  7. Jasmine Kelley, MDPhoenix, AZ 850131568444644
  8. Caroline Kim Kupfer, M.D.Phoenix, AZ 850131083643480

Common questions

What is Chia Yang, M.D.'s NPI number?

Chia Yang, M.D.'s National Provider Identifier (NPI) is 1508026170, issued on Jun 16, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Chia Yang, M.D. located?

The NPPES record lists a practice address at 350 W Thomas RD, Phoenix, AZ, 85013. Phone: (602) 406-3538. Providers update this record themselves, so call before visiting.

How can I verify Chia Yang, M.D.'s license?

NPPES lists Arizona license number R70156, 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.