NPPES file of Aug 9, 2026

Robert C. Liu, M.D.

Anesthesiology Physician · Chandler, AZ

Robert C. Liu, M.D. is an anesthesiology physician with a practice address in Chandler, Arizona, and NPI 1922017292, issued on Aug 5, 2006. Check the license (Arizona 28022, 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
1922017292
Name
Robert C. Liu
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
28022 AZ
Self-reported in NPPES; status is on the state search
Practice location
1955 W Frye RD, Chandler, AZ 85224
Phone
(480) 728-3000
Enumerated
Aug 5, 2006
Record last updated
Mar 7, 2023
Medicaid ID
495079 AZ
Medicare enrollment
Enrolled (PECOS I20041001000391); accepts Medicare assignment
Medical or professional school
University Of Miami, Lm Miller School Of Medicine, 1989
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 1955 W Frye RD

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

  1. Michael Anthony Abala, MDStudent in an Organized Health Care Education/Training Program1639868466
  2. Rafael Ablao, DOStudent in an Organized Health Care Education/Training Program1952090797
  3. Yara AbukhaledStudent in an Organized Health Care Education/Training Program1033913207
  4. Ryan Adkins, D.O.Emergency Medicine Physician1417483538
  5. Shayan Ahmad, DOStudent in an Organized Health Care Education/Training Program1487596219
  6. Sahir Ahmed, M.D.Anesthesiology Physician1508187097

Verify Robert C. Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 28022    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. Chandler Anesthesia Consultants LLCChandler, AZ

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

Robert C. Liu among 1,473 anesthesiology physician records in Arizona

Robert C. Liu, 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
  • Graduated1989 · median 2003 among the 984 with a school on file
  • Record last updated2023 · 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).

63 anesthesiology physician records list a practice address in Chandler

They are 63 of the 5,497 NPPES records with a practice address in Chandler, and 1,473 anesthesiology physician records in Arizona.

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

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Jean Amazan, M.D.Chandler, AZ 852241477549467
  2. Christopher Beneduce, M.D.Chandler, AZ 852241295795151
  3. Anthony Benick, MDChandler, AZ 852241598734451
  4. Quentin Chan, M. D.Chandler, AZ 852241326085929
  5. John Goodpasture, MDChandler, AZ 852241124019161
  6. Mark Knipmeyer, MDChandler, AZ 852241669458352
  7. Khoa Le, M. D.Chandler, AZ 852241003866526
  8. Huong Le, M.D.Chandler, AZ 852241821042672

Common questions

What is Robert C. Liu, M.D.'s NPI number?

Robert C. Liu, M.D.'s National Provider Identifier (NPI) is 1922017292, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert C. Liu, M.D. located?

The NPPES record lists a practice address at 1955 W Frye RD, Chandler, AZ, 85224. Phone: (480) 728-3000. Providers update this record themselves, so call before visiting.

How can I verify Robert C. Liu, M.D.'s license?

NPPES lists Arizona license number 28022, 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.