NPPES file of Aug 9, 2026

Nicholas Kaiwa George, MD

Emergency Medicine Physician · Colton, CA

Nicholas Kaiwa George, MD is an emergency medicine physician with a practice address in Colton, California, and NPI 1346801396, issued on Jun 20, 2019. Check the license (California A179991, 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
1346801396
Name
Nicholas Kaiwa George
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
A179991 CA
MD61422119 WA
Self-reported in NPPES; status is on the state search
Practice location
400 N Pepper Ave, Colton, CA 92324
Phone
(530) 945-8885
Enumerated
Jun 20, 2019
Record last updated
Jul 11, 2024
Medicare enrollment
Enrolled (PECOS I20240725000426); 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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Also registered at 400 N Pepper Ave

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

  1. Shangrila AbaricoRegistered Nurse1609659325
  2. Susana AbaroRegistered Nurse1114425162
  3. Patricia AbbaRegistered Nurse1013188838
  4. Mohammad Hossein Abbasi, MD, MPHStudent in an Organized Health Care Education/Training Program1609622166
  5. Ala AbedrabboCertified Registered Nurse Anesthetist1972333144
  6. Mary AboagyeLicensed Vocational Nurse1982875605

Verify Nicholas Kaiwa George in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A179991
    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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10% fewer Medicare Part D claims than the average emergency medicine physician in 2024

203 Medicare Part D claims for 123 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Nicholas George203
  2. Specialty average226

Most prescribed

  1. Cefdinir17 claims
  2. Cephalexin14 claims
  3. Azithromycin11 claims
  4. Prednisone11 claims

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. Cep America - CaliforniaSalinas, CA

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

Nicholas Kaiwa George among 7,751 emergency medicine physician records in California

Nicholas Kaiwa George, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.

  • NPI issued2019 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2019 · median 2011 among the 4,560 with a school on file
  • Record last updated2024 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

110 emergency medicine physician records list a practice address in Colton

They are 110 of the 2,459 NPPES records with a practice address in Colton, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Rodney Borger, M.DColton, CA 923241619917465
  2. Richard Hausman, D.O.Colton, CA 923241922049113
  3. Ali Jamehdor, D.OColton, CA 923241528009008
  4. Robert Kollen, M.DColton, CA 923241073554531
  5. Eugene Kwong, M.DColton, CA 923241003857020
  6. Carol Lee, M.DColton, CA 923241043251143
  7. Pamela Lux, D.OColton, CA 923241427090323
  8. Thomas Minahan, D.OColton, CA 923241457394827

Common questions

What is Nicholas Kaiwa George, MD's NPI number?

Nicholas Kaiwa George, MD's National Provider Identifier (NPI) is 1346801396, issued on Jun 20, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Kaiwa George, MD located?

The NPPES record lists a practice address at 400 N Pepper Ave, Colton, CA, 92324. Phone: (530) 945-8885. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Kaiwa George, MD's license?

NPPES lists California license number A179991, 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 Nicholas Kaiwa George, MD prescribe under Medicare Part D?

In 2024, Nicholas Kaiwa George, MD had 203 Medicare Part D claims for 123 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.