Arturo Santiago Vazquez, M.D.
Internal Medicine Physician · Colton, CA
Arturo Santiago Vazquez, M.D. is an internal medicine physician with a practice address in Colton, California, and NPI 1174861876, issued on Jan 30, 2013. Check the license (California C173320, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arturo Santiago Vazquez
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- C173320 CA
268957 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1300 E Cooley Dr, Colton, CA 92324
- Phone
- (909) 370-4100
- Enumerated
- Jan 30, 2013
- Record last updated
- Jan 8, 2026
- Medicare enrollment
- Enrolled (PECOS I20211007002893); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1300 E Cooley Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Arturo Santiago Vazquez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C173320Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average internal medicine physician in 2024
11,915 Medicare Part D claims for 692 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 182 claims were for opioids.
Most prescribed
- Atorvastatin Calcium863 claims
- Amlodipine Besylate557 claims
- Lisinopril454 claims
- Metformin Hcl426 claims
- Levothyroxine Sodium414 claims
- Losartan Potassium364 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
- Beaver Medical Group P CColton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arturo Santiago Vazquez among 17,696 internal medicine physician records in California
Arturo Santiago Vazquez, 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 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2001 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 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).
67 internal medicine physician records list a practice address in Colton
They are 67 of the 2,459 NPPES records with a practice address in Colton, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Colton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sarkis Arabian, DOColton, CA 923241336202266
- Yanfei Chen, MDColton, CA 923241437103322
- Calvin Duong, M.D.Colton, CA 923241184646119
- Anthony Enenmoh, MDColton, CA 923241811931603
- James Ericson, MDColton, CA 923241881731032
- Douglas Hay, MDColton, CA 923241386690980
- Ireny Ibrahim, MDColton, CA 923241811944598
- Cecilia Katz, MDColton, CA 923241376585349
Common questions
What is Arturo Santiago Vazquez, M.D.'s NPI number?
Arturo Santiago Vazquez, M.D.'s National Provider Identifier (NPI) is 1174861876, issued on Jan 30, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Arturo Santiago Vazquez, M.D. located?
The NPPES record lists a practice address at 1300 E Cooley Dr, Colton, CA, 92324. Phone: (909) 370-4100. Providers update this record themselves, so call before visiting.
How can I verify Arturo Santiago Vazquez, M.D.'s license?
NPPES lists California license number C173320, 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 Arturo Santiago Vazquez, M.D. prescribe under Medicare Part D?
In 2024, Arturo Santiago Vazquez, M.D. had 11,915 Medicare Part D claims for 692 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.