Gabriel Tomas Trainer, M.D.
Orthopaedic Hand Surgery Physician · Ontario, CA
Gabriel Tomas Trainer, M.D. is an orthopaedic hand surgery physician with a practice address in Ontario, California, and NPI 1538349899, issued on Nov 5, 2007. Check the license (California A111060, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gabriel Tomas Trainer
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- License number
- A111060 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2295 S Vineyard Ave, Ontario, CA 91761
- Phone
- (626) 405-3697
- Enumerated
- Nov 5, 2007
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (877) 514-0903
- Medicare enrollment
- Enrolled (PECOS I20111011000512); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest orthopaedic hand surgery physician records → All 288 in California → Look up another NPI →
Also registered at 2295 S Vineyard Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ana Mae Abaya, NPFamily Nurse Practitioner1255164943
- Sheila Marie Adan, D.O.Family Medicine Physician1912272733
- Anna Alley, CRNACertified Registered Nurse Anesthetist1518399732
- Hye Hyun An, PHARMDPharmacist1578428470
- Leonila Araneta, LCSWClinical Social Worker1861771974
- Fernando AvilaFamily Medicine Physician1396364147
Verify Gabriel Tomas Trainer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A111060Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average orthopaedic hand surgery physician in 2024
62 Medicare Part D claims for 38 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 18 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen18 claims
- Meloxicam14 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.
Industry payments in 2024: $154.48
1 payment: food and beverage; the largest payer was Axogen. The 1,819 providers of this specialty with any payment received $5,529.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupOntario, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gabriel Tomas Trainer among 288 orthopaedic hand surgery physician records in California
Gabriel Tomas Trainer, M.D. is one of 288 orthopaedic hand surgery physician records with a practice address in California. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2005 · median 2004 among the 214 with a school on file
- Record last updated2021 · 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 207XS0106X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Hand Surgery Physician providers in California
There are 288 orthopaedic hand surgery physician records in California.
All 288 in California → Every provider in Ontario → Orthopaedic Hand Surgery Physician nationwide →
The 8 orthopaedic hand surgery physician records with the nearest ZIP codes
- Barth Riedel, MDPomona, CA 917671558574491
- Gabriel Bouz, MDSan Dimas, CA 917731003375155
- Sang Le, M.D.Rancho Cucamonga, CA 917301639386295
- Ryan Miller, M.D.Covina, CA 917231528401031
- Yen Hsun Chen, MDAlhambra, CA 918011396122487
- Peter WiltonChino Hills, CA 917091508286089
- Eric Hofmeister, MDChula Vista, CA 919141093785206
- Gilbert Csuja, M.D.Carlsbad, CA 920081881672244
Common questions
What is Gabriel Tomas Trainer, M.D.'s NPI number?
Gabriel Tomas Trainer, M.D.'s National Provider Identifier (NPI) is 1538349899, issued on Nov 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gabriel Tomas Trainer, M.D. located?
The NPPES record lists a practice address at 2295 S Vineyard Ave, Ontario, CA, 91761. Phone: (626) 405-3697. Providers update this record themselves, so call before visiting.
How can I verify Gabriel Tomas Trainer, M.D.'s license?
NPPES lists California license number A111060, 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 Gabriel Tomas Trainer, M.D. prescribe under Medicare Part D?
In 2024, Gabriel Tomas Trainer, M.D. had 62 Medicare Part D claims for 38 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. 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.