Aaron Ho, DO
Emergency Medicine Physician · Colton, CA
Aaron Ho, DO is an emergency medicine physician with a practice address in Colton, California, and NPI 1033850706, issued on Apr 5, 2022. Check the license (California 20A21893, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Aaron Ho
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 20A21893 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 N Pepper Ave Ste 1M107, Colton, CA 92324
- Phone
- (909) 580-2159
- Enumerated
- Apr 5, 2022
- Record last updated
- Nov 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20241025002514); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 400 N Pepper Ave Ste 1M107
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Alschuler, DOStudent in an Organized Health Care Education/Training Program1477258960
- Kevin Alvarez, MDStudent in an Organized Health Care Education/Training Program1073315818
- Bryan James Anilao, MDStudent in an Organized Health Care Education/Training Program1518710870
- Aswin Bikkani, MDStudent in an Organized Health Care Education/Training Program1639819287
- Lauren BursonStudent in an Organized Health Care Education/Training Program1417703646
- Christian DeanStudent in an Organized Health Care Education/Training Program1801690706
Verify Aaron Ho in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A21893Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average emergency medicine physician in 2024
84 Medicare Part D claims for 58 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen27 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 2 group practices
- Palomar Emergency Physicians, IncPoway, CA
- Team Physicians OF Northern California Medical Group IncLa Mesa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Ho among 7,751 emergency medicine physician records in California
Aaron Ho, DO 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 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2022 · median 2011 among the 4,560 with a school on file
- Record last updated2025 · 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.
All 7,751 in California → Every provider in Colton → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Rodney Borger, M.DColton, CA 923241619917465
- Richard Hausman, D.O.Colton, CA 923241922049113
- Ali Jamehdor, D.OColton, CA 923241528009008
- Robert Kollen, M.DColton, CA 923241073554531
- Eugene Kwong, M.DColton, CA 923241003857020
- Carol Lee, M.DColton, CA 923241043251143
- Pamela Lux, D.OColton, CA 923241427090323
- Thomas Minahan, D.OColton, CA 923241457394827
Common questions
What is Aaron Ho, DO's NPI number?
Aaron Ho, DO's National Provider Identifier (NPI) is 1033850706, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Ho, DO located?
The NPPES record lists a practice address at 400 N Pepper Ave Ste 1M107, Colton, CA, 92324. Phone: (909) 580-2159. Providers update this record themselves, so call before visiting.
How can I verify Aaron Ho, DO's license?
NPPES lists California license number 20A21893, 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 Aaron Ho, DO prescribe under Medicare Part D?
In 2024, Aaron Ho, DO had 84 Medicare Part D claims for 58 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.