Ann Ophthalmol
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Dr. Stuart R. Winthrop, MD
NPI1356344485PAC ID4880875848
- Medicare services, 2024
- 8,268
- Medicare patients, 2024
- 2,144
- Part D claims, 2024
- 3,571
- Publications
- 2
- MIPS score, 2024
- 100
- Practice address
- 3045 De La Vina St, Santa Barbara, CA 93105
- Practice phone
- Call (805) 569-3226
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Santa Barbara Surgery Center
Surgery Center - Medicare-Certified · Santa Barbara, California
Find Dr. Winthrop's professional email, personal email and mobile number
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Dr. Stuart R. Winthrop is an ophthalmologist in Santa Barbara, California
Dr. Winthrop practices at Santa Barbara Surgery Center in Santa Barbara, California.
Dr. Winthrop's NPI, 1356344485, was assigned on May 23, 2005. Dr. Winthrop graduated from Keck School of Medicine of USC in 1976. Dr. Winthrop holds California license G34164.
NPI and contact details
- NPI
- 1356344485NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880875848
- NPI enumeration date
- May 23, 2005
- NPI status
- Active
- Practice phone
- (805) 569-3226
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Stuart R. Winthrop practices at Santa Barbara Surgery Center in Santa Barbara, California
Dr. Winthrop's primary practice is Santa Barbara Surgery Center, at 3045 De La Vina St, Santa Barbara, CA 93105. The practice phone is (805) 569-3226.
- Santa Barbara Surgery Center3045 De La Vina St, Santa Barbara, CA 93105Phone(805) 569-3226
Source: Dmand AI Affiliation Data
Dr. Stuart R. Winthrop is affiliated with 3 sites of care
Dr. Winthrop's primary practice is Santa Barbara Surgery Center in Santa Barbara, California. Dr. Winthrop is also affiliated with Santa Barbara Cottage Hospital. Dmand AI also links Dr. Winthrop to 1 more physician office, named with a free account.
Santa Barbara Surgery CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stuart R. Winthrop's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Winthrop practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Barbara Surgery Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stuart R. Winthrop is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Winthrop's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Winthrop is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Winthrop is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eye infection or inflammation, eyelid inflammation and glaucoma among the conditions Dr. Winthrop treats.
Ophthalmologists near Dr. Winthrop
Counts of ophthalmologists 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. Stuart R. Winthrop billed Medicare for 8,268 services in 2024
CMS data shows 8,268 Medicare services from Dr. Winthrop across 14 procedure codes in 2024, for 2,144 Medicare patients. Medicare paid $633,130 for them.
Medicare services, 20248,268
Medicare patients2,144
Paid by Medicare$633,130
Procedure codes14
Dr. Winthrop's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 7,5922024: 7,4462%
- Surgery
- 2023: 8982024: 8228%
Where Dr. Winthrop's Medicare services took place, 2024
- In an office7,92796%
- In a facility3414%
Dr. Winthrop compared with the California median for ophthalmologists, 2024
- Dr. Winthrop
- California median
- Medicare services
- 8,268vs 1,0797.7 times
- Medicare patients
- 2,144vs 4215.1 times
- Part D claims
- 3,444vs 6185.6 times
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Winthrop's 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. Winthrop?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Winthrop and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stuart R. Winthrop treated 2,144 Medicare patients in 2024, average age 77
CMS counts 2,144 Medicare patients who saw Dr. Winthrop in 2024. The largest group is 75 to 84, with 968 patients. 75% of them have high cholesterol, and 60% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Winthrop's median patient age at 75, with 62% women.
Medicare patients, 20242,144
Average age77
Average risk score0.95
Also on Medicaid3%
Dr. Winthrop's Medicare patients by age, 2024
Dr. Winthrop's Medicare patients by sex, 2024
- Women1,28960%
- Men85540%
Chronic conditions among Dr. Winthrop's Medicare patients, 2024
- High cholesterol75%
- High blood pressure60%
- Arthritis51%
- Osteoporosis21%
- Ischemic heart disease20%
- Chronic kidney disease19%
- Mood disorders19%
- Atrial fibrillation17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Winthrop's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stuart R. Winthrop wrote 3,571 Medicare Part D claims in 2024
In 2024, Dr. Winthrop wrote 3,571 Medicare Part D claims for 671 patients. 48% of them were for generic drugs. CMS names the drug for 3,444 of them, across 28 drugs with 11 or more claims each, at $300,257 in total drug cost. In 2023, CMS named 3,254 claims across 24 drugs.
Part D claims, 20243,571
Drugs named by CMS28
Total drug cost$300,257
Part D patients671
Dr. Winthrop's Part D claims by kind of drug, 2024
- Generic1,711 claims48%
- Brand-name1,860 claims52%
Dr. Winthrop's 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. Winthrop's Part D claims, 2024
- Antibiotics1%18 of 3,571 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: 3,2542024: 3,4446%
Drugs named by CMS: 28 in 2024, 24 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. Stuart R. Winthrop scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Winthrop for performance year 2024, reported individually. CMS counts 604 procedures of cataract surgery by Dr. Winthrop, more than 96% of the clinicians it reports for that procedure.
Dr. Winthrop's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 100of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Winthrop ranks in Medicare procedure volume
- Cataract surgery
- 96th percentile604 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: 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. Stuart R. Winthrop has 2 publications on record
Dmand AI links 2 papers to Dr. Winthrop. The most frequent topics are Eye Injuries.
Papers2
Topics Dr. Winthrop writes about most
- Eye Injuries
Recent publications by Dr. Winthrop
Cell DivisionEyeEye Injuries
See who Dr. Winthrop researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Winthrop works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stuart R. Winthrop received $7,539 in industry payments from 2016 to 2025
CMS Open Payments shows 147 general payments to Dr. Winthrop from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Alcon Laboratories Inc paid the most, $3,481.
General payments to Dr. Winthrop by program year, 2016 to 2025
General payments to Dr. Winthrop by kind, 2016 to 2025
$7.5Kin total
- Food and beverage$7,46399%
- Entertainment$381%
- Education$380%
Companies that paid Dr. Winthrop 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. Stuart R. Winthrop has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Winthrop.
Awards and honors for Dr. Winthrop
- Undated
- AAO Fellow
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Stuart R. Winthrop graduated from Keck School of Medicine of USC
Dr. Winthrop graduated from Keck School of Medicine of USC in 1976. Dr. Winthrop is a member of AAO and ACS.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Stuart R. Winthrop accepts plans from 5 insurance carriers
Dr. Winthrop is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Elevance and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Winthrop accepts, by number of carriers
- Medicare5
- PPO4
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Stuart R. Winthrop'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 DataDmand AI Org Hierarchy 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 | 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. Stuart R. Winthrop
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. Stuart R. Winthrop's NPI number?
Dr. Stuart R. Winthrop's NPI number is 1356344485. It was assigned on May 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Stuart R. Winthrop?
Dr. Stuart R. Winthrop is an ophthalmologist in Santa Barbara, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Stuart R. Winthrop practice?
Dr. Winthrop practices at 3045 De La Vina St, Santa Barbara, CA 93105. Dr. Winthrop's primary practice is Santa Barbara Surgery Center in Santa Barbara, California. Dmand AI also links Dr. Winthrop to 1 physician office.
What is Dr. Stuart R. Winthrop's office phone number?
The practice phone on file for Dr. Winthrop is (805) 569-3226.
What is Dr. Stuart R. Winthrop's medical license number?
Dr. Winthrop holds California license G34164.
Which hospitals is Dr. Stuart R. Winthrop affiliated with?
Dr. Winthrop is affiliated with Santa Barbara Cottage Hospital.
Does Dr. Stuart R. Winthrop accept Medicare?
Yes. CMS data shows Dr. Winthrop billed Medicare for 8,268 services in 2024.
What is Dr. Stuart R. Winthrop's MIPS score?
Dr. Winthrop's MIPS final score for performance year 2024 is 100 out of 100, reported individually.
How many Medicare patients does Dr. Stuart R. Winthrop see?
CMS counts 2,144 Medicare patients who saw Dr. Winthrop in 2024, with an average age of 77.
Is Dr. Stuart R. Winthrop board certified?
Yes. Dr. Winthrop is board certified in ophthalmology by the American Board of Ophthalmology.
Show 7 more questionsShow fewer questions
What services does Dr. Stuart R. Winthrop bill to Medicare?
In 2024, Dr. Winthrop's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92134).
Where did Dr. Stuart R. Winthrop go to medical school?
Dr. Winthrop graduated from Keck School of Medicine of USC in 1976.
What drugs does Dr. Stuart R. Winthrop prescribe most?
In 2024 Medicare Part D data, Dr. Winthrop's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Vyzulta.
Has Dr. Stuart R. Winthrop received payments from drug or device companies?
CMS Open Payments shows $7,539 in general payments to Dr. Winthrop from 22 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Stuart R. Winthrop been practicing?
Dr. Winthrop graduated from medical school in 1976, 50 years ago.
Does Dr. Stuart R. Winthrop do research?
Dmand AI links 2 publications to Dr. Winthrop.
What insurance does Dr. Stuart R. Winthrop accept?
Dr. Winthrop is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Elevance and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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