John Horton, M.D.
Addiction Medicine (Internal Medicine) Physician · Santa Barbara, CA
John Horton, M.D. is an addiction medicine (internal medicine) physician with a practice address in Santa Barbara, California, and NPI 1265492508, issued on Mar 23, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Horton
- Credential
- M.D.
- Primary taxonomy
- Addiction Medicine (Internal Medicine) Physician 207RA0401X
- Practice location
- 5266 Hollister Ave Ste 327, Santa Barbara, CA 93111
- Phone
- (805) 203-0717
- Enumerated
- Mar 23, 2006
- Entity
- Type 1 · individual
Also registered at 5266 Hollister Ave Ste 327
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jack May, M.A.Mental Health Counselor1164791075
- Karima Shamma, MFTMarriage & Family Therapist1356700363
Verify John Horton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average addiction medicine (internal medicine) physician in 2024
26 Medicare Part D claims, against an average of 1,455 among the 394 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Addiction Medicine (Internal Medicine) Physician providers in California
There are 67 addiction medicine (internal medicine) physician records in California.
Other addiction medicine (internal medicine) physician records in California
- Nazanin Ahmadieh, DOSacramento, CA1124524988
- Anthony Albanese, M.D.Mather, CA1215910187
- Everett AllenEureka, CA1437615879
- Diana Amodia, M.D.San Francisco, CA1679593693
- Maya Appley, MDLos Angeles, CA1588160451
- Ann Arcay, M.D.Santa Ana, CA1952415226
- Daniel Aronow, M.D.Culver City, CA1598878324
- Mihran Ask, MDLoma Linda, CA1487766176
- Faried Banimahd, MDSanta Ana, CA1184860496
- Aref Bhuiya, MDWestlake Village, CA1932369675
Common questions
What is John Horton, M.D.'s NPI number?
John Horton, M.D.'s National Provider Identifier (NPI) is 1265492508, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Horton, M.D. located?
The NPPES record lists a practice address at 5266 Hollister Ave Ste 327, Santa Barbara, CA, 93111. Phone: (805) 203-0717. Providers update this record themselves, so call before visiting.
How can I verify John Horton, M.D.'s license?
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 John Horton, M.D. prescribe under Medicare Part D?
In 2024, John Horton, M.D. had 26 Medicare Part D claims; the average among addiction medicine (internal medicine) physician prescribers was 1,455. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.