Stephen Trent Shey
Internal Medicine Physician · Gilroy, CA
Stephen Trent Shey is an internal medicine physician with a practice address in Gilroy, California, and NPI 1023639978, issued on May 1, 2020. Check the license (California A185774, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen Trent Shey
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A185774 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9400 N Name Uno, Gilroy, CA 95020
- Phone
- (408) 848-2000
- Enumerated
- May 1, 2020
- Record last updated
- Aug 1, 2023
- Medicare enrollment
- Enrolled (PECOS I20230818002865); 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 9400 N Name Uno
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Carl, MDAnatomic Pathology & Clinical Pathology Physician1750384129
Verify Stephen Trent Shey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A185774Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
165 Medicare Part D claims for 71 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- County OF Santa ClaraSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Trent Shey among 17,696 internal medicine physician records in California
Stephen Trent Shey 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 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2020 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 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).
16 internal medicine physician records list a practice address in Gilroy
They are 16 of the 2,100 NPPES records with a practice address in Gilroy, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Gilroy → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vasumitha Alamelu, MDGilroy, CA 950201194801613
- Robert Biggs, MDGilroy, CA 950201770669277
- James Frankfort, MDGilroy, CA 950201497975189
- Pardeep Gondal, MDGilroy, CA 950201174048334
- Lilly Hammack, DO, RDNGilroy, CA 950201972932523
- Siri Chand Khalsa, MDGilroy, CA 950201982687828
- Sunita Lalwani, MDGilroy, CA 950201588740096
- Lisa Lo, MDGilroy, CA 950201740492297
Common questions
What is Stephen Trent Shey's NPI number?
Stephen Trent Shey's National Provider Identifier (NPI) is 1023639978, issued on May 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Trent Shey located?
The NPPES record lists a practice address at 9400 N Name Uno, Gilroy, CA, 95020. Phone: (408) 848-2000. Providers update this record themselves, so call before visiting.
How can I verify Stephen Trent Shey's license?
NPPES lists California license number A185774, 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 Stephen Trent Shey prescribe under Medicare Part D?
In 2024, Stephen Trent Shey had 165 Medicare Part D claims for 71 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Stephen Trent Shey's MIPS final score?
The 2023 MIPS final score is 80.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.