Stephen James Hopkins, MD
Surgery Physician · Sonora, CA
Stephen James Hopkins, MD is a surgery physician with a practice address in Sonora, California, and NPI 1265498539, issued on Apr 25, 2006. Check the license (California A50509, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen James Hopkins
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- A50509 CA
Self-reported in NPPES; status is on the state search - Practice location
- 680 Guzzi Lane, Sonora, CA 95370
- Phone
- (209) 532-5528
- Enumerated
- Apr 25, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (209) 532-5598
- Medicaid ID
- 00A505090 CA
- Medicare enrollment
- Enrolled (PECOS I20041028001148); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1990
- Entity
- Type 1 · individual
Also registered at 680 Guzzi Lane
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas McDonald, M.D.Orthopaedic Hand Surgery Physician1073504320
Verify Stephen James Hopkins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A50509Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% more Medicare Part D claims than the average surgery physician in 2024
192 Medicare Part D claims for 85 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Sulfamethoxazole-Trimethoprim47 claims
- Cephalexin26 claims
- Linezolid23 claims
- Levofloxacin21 claims
- Amoxicillin-Clavulanate Potass13 claims
- Hydrocodone-Acetaminophen12 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.
Industry payments in 2024: $569.44
20 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Banner HealthSusanville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
8 surgery physician records list a practice address in Sonora
They are 8 of the 629 NPPES records with a practice address in Sonora, and 3,118 surgery physician records in California.
All 8 in Sonora → All 3,118 in California → Every provider in Sonora →
Other surgery physician records in California
- Miriam Abaunza, M.D.Los Angeles, CA1538470778
- Hana Abdirahman, MDTemecula, CA1265288112
- Sherwin Abdoli, MDPetaluma, CA1508386442
- Mhdshafic Abdulkarim, MDOrange, CA1750174249
- Sarah Abdulla, M.D.Baldwin Park, CA1699200840
- Shoko Abe, M.D.Berkeley, CA1609178136
- Stuart Abel, M.D.Los Angeles, CA1750761516
- Elliot Abemayor, MDLos Angeles, CA1972527414
- Marc Abi Karam, MD, MSPalo Alto, CA1437846508
- Ali Abidali, DOGlendora, CA1861888794
Common questions
What is Stephen James Hopkins, MD's NPI number?
Stephen James Hopkins, MD's National Provider Identifier (NPI) is 1265498539, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen James Hopkins, MD located?
The NPPES record lists a practice address at 680 Guzzi Lane, Sonora, CA, 95370. Phone: (209) 532-5528. Providers update this record themselves, so call before visiting.
How can I verify Stephen James Hopkins, MD's license?
NPPES lists California license number A50509, 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 James Hopkins, MD prescribe under Medicare Part D?
In 2024, Stephen James Hopkins, MD had 192 Medicare Part D claims for 85 beneficiaries; the average among surgery physician prescribers was 147. 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.