Benjamin Hernandez, M.D.
Internal Medicine Physician · San Jose, CA
Benjamin Hernandez, M.D. is an internal medicine physician with a practice address in San Jose, California, and NPI 1922038587, issued on Jul 3, 2006. Check the license (California A50508, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Benjamin Hernandez
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A50508 CA
Self-reported in NPPES; status is on the state search - Practice location
- 55 E Julian St, San Jose, CA 95112
- Phone
- (408) 918-2600
- Enumerated
- Jul 3, 2006
- Record last updated
- Jan 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (408) 795-1129
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 55 E Julian St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Benjamin Hernandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A50508Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
500 Medicare Part D claims for 101 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate54 claims
- Levothyroxine Sodium39 claims
- Losartan Potassium37 claims
- Metformin Hcl29 claims
- Metoprolol Tartrate22 claims
- Atorvastatin Calcium19 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.
Benjamin Hernandez among 17,696 internal medicine physician records in California
Benjamin Hernandez, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2008 · 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).
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Jose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Trang Do, M.D.San Jose, CA 951121063442663
- Todd Fong, M.D.San Jose, CA 951121083957997
- Sreepriya Gopalkrishnan, M.D.San Jose, CA 951121710921705
- Minh Huynh, M.D.San Jose, CA 951121063437309
- Sudha Karupaiah, MDSan Jose, CA 951121316984800
- Minh Le, M.D.San Jose, CA 951121700999414
- Marlowe Magallanes, M.D.San Jose, CA 951121346460847
- Joy Nishime, MDSan Jose, CA 951121083663736
Common questions
What is Benjamin Hernandez, M.D.'s NPI number?
Benjamin Hernandez, M.D.'s National Provider Identifier (NPI) is 1922038587, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Hernandez, M.D. located?
The NPPES record lists a practice address at 55 E Julian St, San Jose, CA, 95112. Phone: (408) 918-2600. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Hernandez, M.D.'s license?
NPPES lists California license number A50508, 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 Benjamin Hernandez, M.D. prescribe under Medicare Part D?
In 2024, Benjamin Hernandez, M.D. had 500 Medicare Part D claims for 101 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.