NPPES file of Aug 9, 2026

Matthew Wai, DO

Hospitalist Physician · Newport Beach, CA

Matthew Wai, DO is a hospitalist physician with a practice address in Newport Beach, California, and NPI 1881272904, issued on Mar 30, 2021. Check the license (California 20A21831, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881272904
Name
Matthew Wai
Credential
DO
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
20A21831 CA
20A22172 CA
Self-reported in NPPES; status is on the state search
Practice location
1 Hoag Dr, Newport Beach, CA 92663
Phone
(877) 742-4624
Enumerated
Mar 30, 2021
Record last updated
Jan 28, 2026
Medicare enrollment
Enrolled (PECOS I20240709001157); accepts Medicare assignment
Medical or professional school
Touro Un College Of Osteopathic Medicine, Vallejo, 2021
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 1 Hoag Dr

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

  1. Hana Abuershaid, M.D.Hospitalist Physician1497164016
  2. Anatoly Akselrod, PHARMDPharmacist1508733379
  3. Bahram Alavynejad, MDPulmonary Disease Physician1124071972
  4. Eric Alcouloumre, M.D.Emergency Medicine Physician1568425312
  5. Gilda Ameri, MDHospitalist Physician1821477498
  6. Anna-Maria Angelakis, M.D.Hospitalist Physician1124259890

Verify Matthew Wai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A21831
    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 California 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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79% fewer Medicare Part D claims than the average hospitalist physician in 2024

108 Medicare Part D claims for 53 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Matthew Wai108
  2. Specialty average521

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Pacific Hospitalist Associates A Medical CorporationNewport Beach, CA

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

Matthew Wai among 3,099 hospitalist physician records in California

Matthew Wai, DO is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 90% of them.

  • NPI issued2021 · 90% of these records are older, 6% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated2021 · median 2010 among the 2,505 with a school on file
  • Record last updated2026 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

63 hospitalist physician records list a practice address in Newport Beach

They are 63 of the 4,414 NPPES records with a practice address in Newport Beach, and 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Hany Bashandy, MDNewport Beach, CA 926631750302378
  2. Thanhmy Bui, MDNewport Beach, CA 926631396842498
  3. Weston Chandler, M.D.Newport Beach, CA 926631053350397
  4. Michael Eilbert, M.DNewport Beach, CA 926631487686069
  5. William Ensley, M.DNewport Beach, CA 926631376587709
  6. Patty Huang, M.DNewport Beach, CA 926631528003514
  7. Joel Katz, M.DNewport Beach, CA 926631881639052
  8. Janie Liao, M.D.Newport Beach, CA 926631144292335

Common questions

What is Matthew Wai, DO's NPI number?

Matthew Wai, DO's National Provider Identifier (NPI) is 1881272904, issued on Mar 30, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Wai, DO located?

The NPPES record lists a practice address at 1 Hoag Dr, Newport Beach, CA, 92663. Phone: (877) 742-4624. Providers update this record themselves, so call before visiting.

How can I verify Matthew Wai, DO's license?

NPPES lists California license number 20A21831, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Matthew Wai, DO prescribe under Medicare Part D?

In 2024, Matthew Wai, DO had 108 Medicare Part D claims for 53 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

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.