Roy Eugene Garibay Tabigo On, M.D.
Internal Medicine Physician · Los Banos, CA
Roy Eugene Garibay Tabigo On, M.D. is an internal medicine physician with a practice address in Los Banos, California, and NPI 1689944639, issued on Jan 9, 2012. Check the license (California A120169, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Roy Eugene Garibay Tabigo On
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A120169 CA
Self-reported in NPPES; status is on the state search - Practice location
- 311 W I St, Los Banos, CA 93635
- Phone
- (209) 826-2222
- Enumerated
- Jan 9, 2012
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20120710000341); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 311 W I St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dmitri De La Cruz, MDPediatrics Physician1154337053
- Karthikeya Devireddy, MDInternal Medicine Physician1780615542
- Vijay Devireddy, M.D.Internal Medicine Physician1407239148
- Stefan ElazierFamily Medicine Physician1669753240
Verify Roy Eugene Garibay Tabigo On in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120169Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average internal medicine physician in 2024
6,484 Medicare Part D claims for 757 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 282 claims were for opioids.
Most prescribed
- Atorvastatin Calcium480 claims
- Losartan Potassium299 claims
- Amlodipine Besylate282 claims
- Lisinopril236 claims
- Fluticasone Propionate185 claims
- Metformin Hcl177 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
- Permanente Medical Group IncStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roy Eugene Garibay Tabigo On among 17,696 internal medicine physician records in California
Roy Eugene Garibay Tabigo On, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2003 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 internal medicine physician records list a practice address in Los Banos
They are 9 of the 441 NPPES records with a practice address in Los Banos, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Banos → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sina Aghaie, M.D.Los Banos, CA 936351356760045
- Karthikeya Devireddy, MDLos Banos, CA 936351780615542
- Vijay Devireddy, M.D.Los Banos, CA 936351407239148
- Michael Friedlander, M.D.Los Banos, CA 936351376550913
- Santosh Khanal, MBBSLos Banos, CA 936351033804943
- Jason Mevi, MDLos Banos, CA 936351295800258
- Arvindselvan Mohanaselvan, M.D.Los Banos, CA 936351316472400
- Gopi Krishna Polasa Venkata, MDLos Banos, CA 936351295154839
Common questions
What is Roy Eugene Garibay Tabigo On, M.D.'s NPI number?
Roy Eugene Garibay Tabigo On, M.D.'s National Provider Identifier (NPI) is 1689944639, issued on Jan 9, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Roy Eugene Garibay Tabigo On, M.D. located?
The NPPES record lists a practice address at 311 W I St, Los Banos, CA, 93635. Phone: (209) 826-2222. Providers update this record themselves, so call before visiting.
How can I verify Roy Eugene Garibay Tabigo On, M.D.'s license?
NPPES lists California license number A120169, 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 Roy Eugene Garibay Tabigo On, M.D. prescribe under Medicare Part D?
In 2024, Roy Eugene Garibay Tabigo On, M.D. had 6,484 Medicare Part D claims for 757 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.