Benedict S. Dillon, M.D.
Internal Medicine Physician · San Diego, CA
Benedict S. Dillon, M.D. is an internal medicine physician with a practice address in San Diego, California, and NPI 1710142708, issued on Jul 19, 2008. Check the license (California A111118, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Benedict S. Dillon
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A111118 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1016 Outer Road, San Diego, CA 92154
- Phone
- (619) 429-3733
- Enumerated
- Jul 19, 2008
- Record last updated
- Apr 11, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (619) 628-5550
- Medicare enrollment
- Enrolled (PECOS I20130219000057); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Benedict S. Dillon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A111118Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average internal medicine physician in 2024
4,335 Medicare Part D claims for 247 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 38 claims were for opioids.
Most prescribed
- Atorvastatin Calcium387 claims
- Metformin Hcl313 claims
- Ozempic183 claims
- Lisinopril181 claims
- Losartan Potassium169 claims
- Amlodipine Besylate156 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
- Centro DE Salud DE LA Comunidad DE San Ysidro, Inc.National City, CA
- Scripps Mercy Physicians Cardiology Medical CorporationSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benedict S. Dillon among 17,696 internal medicine physician records in California
Benedict S. Dillon, 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2007 · median 2004 among the 11,065 with a school on file
- Record last updated2013 · 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).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sameeh Fakhro, MDSan Diego, CA 921541245718865
- David Fan, M.D.San Diego, CA 921541326488040
- Christopher Fields, MDSan Diego, CA 921541427623677
- Ralph Johnson, M.D.San Diego, CA 921541669673505
- Silvia Munoz, M.D.San Diego, CA 921541326458613
- Parvaneh Najafi, M.D.San Diego, CA 921541275771974
- Fauzi Najar, MDSan Diego, CA 921541689166977
- Miguel Pena-Ruiz, M.D.San Diego, CA 921541063622819
Common questions
What is Benedict S. Dillon, M.D.'s NPI number?
Benedict S. Dillon, M.D.'s National Provider Identifier (NPI) is 1710142708, issued on Jul 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Benedict S. Dillon, M.D. located?
The NPPES record lists a practice address at 1016 Outer Road, San Diego, CA, 92154. Phone: (619) 429-3733. Providers update this record themselves, so call before visiting.
How can I verify Benedict S. Dillon, M.D.'s license?
NPPES lists California license number A111118, 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 Benedict S. Dillon, M.D. prescribe under Medicare Part D?
In 2024, Benedict S. Dillon, M.D. had 4,335 Medicare Part D claims for 247 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.