Dr. Stephen James Hopkins, MD
- Medicare services, 2024
- 4,816
- Medicare patients, 2024
- 441
- Part D claims, 2024
- 192
- Publications
- 1
- MIPS score, 2024
- 85
- Practice address
- 680 Guzzi Ln, Sonora, CA 95370-5288
- Practice phone
- Call (209) 532-5528
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Stephen J Hopkins, MD
Physician office · Sonora, California
Find Dr. Hopkins' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stephen James Hopkins is a general surgeon in Sonora, California
Dr. Hopkins practices at Stephen J Hopkins, MD in Sonora, California.
Dr. Hopkins' NPI, 1265498539, was assigned on April 25, 2006. Dr. Hopkins graduated from Tulane School of Medicine in 1990. Dr. Hopkins holds California license A50509.
- NPI
- 1265498539NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294797569
- NPI enumeration date
- April 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 532-5528
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen James Hopkins practices at Stephen J Hopkins, MD in Sonora, California
Dr. Hopkins' primary practice is Stephen J Hopkins, MD, at 680 Guzzi Ln, Sonora, CA 95370-5288. The practice phone is (209) 532-5528.
- Stephen J Hopkins, MD680 Guzzi Ln, Sonora, CA 95370-5288Phone(209) 532-5528
Source: Dmand AI Affiliation Data
Dr. Stephen James Hopkins is affiliated with 4 sites of care and 3 medical groups
Dr. Hopkins' primary practice is Stephen J Hopkins, MD in Sonora, California. Dr. Hopkins is also affiliated with Banner Lassen Medical Center. The medical group on file is Adventist Health Sonora. Dmand AI also links Dr. Hopkins to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Stephen James Hopkins' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hopkins practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stephen J Hopkins, MD | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen James Hopkins is one of 2,926 general surgeons in California
Surgery is Dr. Hopkins' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Hopkins is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Hopkins' licenses on file in 3 states: California, Louisiana and Georgia.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Louisiana license
- Georgia license
Clinical focus
Dmand AI lists abdominal adhesion surgery, gallbladder removal, groin hernia surgery, hemorrhoids and varicose vein treatment among the conditions Dr. Hopkins treats.
General surgeons near Dr. Hopkins
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stephen James Hopkins billed Medicare for 4,816 services in 2024
CMS data shows 4,816 Medicare services from Dr. Hopkins across 18 procedure codes in 2024, for 441 Medicare patients. Medicare paid $248,588 for them.
Dr. Hopkins' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,0542024: 2,77735%
- Surgery
- 2023: 1,2532024: 1,55024%
- Tests and treatments
- 2023: 4762024: 4893%
Where Dr. Hopkins' Medicare services took place, 2024
- In an office4,77099%
- In a facility461%
Dr. Hopkins compared with the California median for general surgeons, 2024
- Dr. Hopkins
- California median
- Medicare services
- 4,816vs 16629.0 times
- Medicare patients
- 441vs 1213.6 times
- Part D claims
- 142vs 344.2 times
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Hopkins' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Hopkins?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hopkins and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen James Hopkins treated 441 Medicare patients in 2024, average age 75
CMS counts 441 Medicare patients who saw Dr. Hopkins in 2024. The largest group is 65 to 74, with 168 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.04, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hopkins' median patient age at 62, with 48% women.
Dr. Hopkins' Medicare patients by age, 2024
Dr. Hopkins' Medicare patients by sex, 2024
- Women20446%
- Men23754%
Chronic conditions among Dr. Hopkins' Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis55%
- Diabetes44%
- Ischemic heart disease33%
- Chronic kidney disease31%
- Atrial fibrillation29%
- Mood disorders29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hopkins' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen James Hopkins wrote 192 Medicare Part D claims in 2024
In 2024, Dr. Hopkins wrote 192 Medicare Part D claims for 85 patients. 97% of them were for generic drugs. CMS names the drug for 142 of them, across 6 drugs with 11 or more claims each, at $3,975 in total drug cost. In 2023, CMS named 131 claims across 5 drugs.
Dr. Hopkins' Part D claims by kind of drug, 2024
- Generic186 claims97%
- Brand-name and other6 claims3%
Dr. Hopkins' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Hopkins' Part D claims, 2024
- Opioids10%20 of 192 claims
- Antibiotics80%154 of 192 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1312024: 1428%
Drugs named by CMS: 6 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Stephen James Hopkins scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Hopkins for performance year 2024, reported as part of a group. Dr. Hopkins accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of removal of tissue by Dr. Hopkins, more than 63% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Hopkins' MIPS scores, performance year 2024
- 85of 100Final score
- 81.7of 100Quality
- 97of 100Promoting Interoperability
- 40of 100Improvement Activities
- 67of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Hopkins ranks in Medicare procedure volume
- Colonoscopy
- 51st percentile26 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 46th percentile15 procedures
- Removal of tissue
- 63rd percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Stephen James Hopkins has 1 publication on record
Dmand AI links 1 paper to Dr. Hopkins.
Recent publications by Dr. Hopkins
See who Dr. Hopkins researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hopkins works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephen James Hopkins received $1,915 in industry payments from 2016 to 2025
CMS Open Payments shows 69 general payments to Dr. Hopkins from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $1,161.
General payments to Dr. Hopkins by program year, 2016 to 2025
Companies that paid Dr. Hopkins the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen James Hopkins has 1 award and honors on record
Dmand AI lists 1 award for Dr. Hopkins.
Awards and honors for Dr. Hopkins
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Stephen James Hopkins graduated from Tulane School of Medicine
Dr. Hopkins graduated from Tulane School of Medicine in 1990. Dr. Hopkins is a member of ACP, ACS, American Venous Forum, California Medical Association, Society for Vascular Ultrasound and Society of American Gastrtointestinal and Endoscopic Surgeons.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Stephen James Hopkins accepts plans from 14 insurance carriers
Dr. Hopkins is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Hopkins accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen James Hopkins's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Stephen James Hopkins
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Stephen James Hopkins' NPI number?
Dr. Stephen James Hopkins' NPI number is 1265498539. It was assigned on April 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen James Hopkins?
Dr. Stephen James Hopkins is a general surgeon in Sonora, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Stephen James Hopkins practice?
Dr. Hopkins practices at 680 Guzzi Ln, Sonora, CA 95370-5288. Dr. Hopkins' primary practice is Stephen J Hopkins, MD in Sonora, California. Dmand AI also links Dr. Hopkins to 2 group practices and clinics and 2 medical groups.
What is Dr. Stephen James Hopkins' office phone number?
The practice phone on file for Dr. Hopkins is (209) 532-5528.
What is Dr. Stephen James Hopkins' medical license number?
Dr. Hopkins holds California license A50509, one of the licenses on file in 3 states.
Which states has Dr. Stephen James Hopkins been licensed in?
Dmand AI has state licenses on file for Dr. Hopkins in California (1992 to 2027), Louisiana (1990 to 2003) and Georgia (1996 to 2001).
Which hospitals is Dr. Stephen James Hopkins affiliated with?
Dr. Hopkins is affiliated with Banner Lassen Medical Center.
What medical group is Dr. Stephen James Hopkins part of?
Dr. Hopkins is linked to Adventist Health Sonora. Dmand AI links Dr. Hopkins to 2 more medical groups.
Does Dr. Stephen James Hopkins accept Medicare?
Yes. CMS data shows Dr. Hopkins billed Medicare for 4,816 services in 2024, and Dr. Hopkins accepts Medicare assignment.
What is Dr. Stephen James Hopkins' MIPS score?
Dr. Hopkins' MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Stephen James Hopkins see?
CMS counts 441 Medicare patients who saw Dr. Hopkins in 2024, with an average age of 75.
Is Dr. Stephen James Hopkins board certified?
Yes. Dr. Hopkins is board certified in surgery by the American Board of Surgery.
What services does Dr. Stephen James Hopkins bill to Medicare?
In 2024, Dr. Hopkins' most billed Medicare services were office visit, established patient (99213), surgery: skin and soft tissue (11042) and surgery: skin and soft tissue (11043).
Where did Dr. Stephen James Hopkins go to medical school?
Dr. Hopkins graduated from Tulane School of Medicine in 1990.
What drugs does Dr. Stephen James Hopkins prescribe most?
In 2024 Medicare Part D data, Dr. Hopkins' most prescribed drugs by claims were Sulfamethoxazole-Trimethoprim, Cephalexin and Linezolid.
Has Dr. Stephen James Hopkins received payments from drug or device companies?
CMS Open Payments shows $1,915 in general payments to Dr. Hopkins from 10 companies from 2016 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Stephen James Hopkins been practicing?
Dr. Hopkins graduated from medical school in 1990, 36 years ago.
Does Dr. Stephen James Hopkins do research?
Dmand AI links 1 publication to Dr. Hopkins.
What insurance does Dr. Stephen James Hopkins accept?
Dr. Hopkins is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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