Dr. Stephen C. Dinsmore, MD
- Medicare services, 2024
- 1,469
- Medicare patients, 2024
- 534
- Part D claims, 2024
- 981
- MIPS score, 2024
- 84
- Industry payments
- $3,071
- Practice address
- 23441 Madison St Suite 120 Suite 120, Torrance, CA 90505-4734
- Practice phone
- Call (310) 373-6708
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
East-west Eye Institute - Torrance (Madison St)
Eye care practice · Torrance, California
Find Dr. Dinsmore's 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 C. Dinsmore is an ophthalmologist in Torrance, California
Dr. Dinsmore practices at East-west Eye Institute - Torrance (Madison St) in Torrance, California.
Dr. Dinsmore's NPI, 1891906707, was assigned on May 24, 2007. Dr. Dinsmore graduated from Georgetown University School Of Medicine in 1975. Dr. Dinsmore holds California license WG32005.
- NPI
- 1891906707NPI Registry (opens in a new tab)
- NPI enumeration date
- May 24, 2007
- NPI status
- Active
- Practice phone
- (310) 373-6708
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen C. Dinsmore practices at East-west Eye Institute - Torrance (Madison St) in Torrance, California
Dr. Dinsmore's primary practice is East-west Eye Institute - Torrance (Madison St), at 23441 Madison St Suite 120 Suite 120, Torrance, CA 90505-4734. The practice phone is (310) 373-6708.
- East-west Eye Institute - Torrance (Madison St)23441 Madison St Suite 120 Suite 120, Torrance, CA 90505-4734Phone(310) 373-6708
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen C. Dinsmore is affiliated with 1 site of care and 1 medical group
Dr. Dinsmore's primary practice is East-west Eye Institute - Torrance (Madison St) in Torrance, California. Dmand AI also links Dr. Dinsmore to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Stephen C. Dinsmore's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dinsmore practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| East-west Eye Institute - Torrance (Madison St) | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen C. Dinsmore is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Dinsmore's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Dinsmore is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Dinsmore is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cold sores or genital herpes, conjunctivitis, dry eye, eye infection or inflammation, eyelid inflammation and glaucoma among the conditions Dr. Dinsmore treats.
Ophthalmologists near Dr. Dinsmore
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. Stephen C. Dinsmore billed Medicare for 1,469 services in 2024
CMS data shows 1,469 Medicare services from Dr. Dinsmore across 10 procedure codes in 2024, for 534 Medicare patients. Medicare paid $95,381 for them.
Dr. Dinsmore's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3,2062024: 1,42456%
- Surgery
- 2023: 562024: 2850%
- Office and hospital visits
- 2023: 722024: 1776%
- Imaging
- 2023: 322024: 0100%
Where Dr. Dinsmore's Medicare services took place, 2024
- In an office1,44198%
- In a facility282%
Dr. Dinsmore compared with the California median for ophthalmologists, 2024
- Dr. Dinsmore
- California median
- Medicare services
- 1,469vs 1,07936% above
- Medicare patients
- 534vs 42127% above
- Part D claims
- 843vs 61836% above
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Dinsmore'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dinsmore and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen C. Dinsmore treated 534 Medicare patients in 2024, average age 78
CMS counts 534 Medicare patients who saw Dr. Dinsmore in 2024. The largest group is 75 to 84, with 250 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dinsmore's median patient age at 73, with 50% women.
Dr. Dinsmore's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dinsmore's Medicare patients by sex, 2024
- Women29255%
- Men24245%
Chronic conditions among Dr. Dinsmore's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis43%
- Diabetes27%
- Chronic kidney disease25%
- Ischemic heart disease24%
- Osteoporosis20%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dinsmore's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen C. Dinsmore wrote 981 Medicare Part D claims in 2024
In 2024, Dr. Dinsmore wrote 981 Medicare Part D claims for 260 patients. 55% of them were for generic drugs. CMS names the drug for 843 of them, across 16 drugs with 11 or more claims each, at $110,004 in total drug cost. In 2023, CMS named 1,193 claims across 23 drugs.
Dr. Dinsmore's Part D claims by kind of drug, 2024
- Generic535 claims55%
- Brand-name446 claims45%
Dr. Dinsmore'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. Dinsmore's Part D claims, 2024
- Antibiotics3%30 of 981 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: 1,1932024: 84329%
Drugs named by CMS: 16 in 2024, 23 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 C. Dinsmore scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Dinsmore for performance year 2024, reported as part of a group.
Dr. Dinsmore's MIPS scores, performance year 2024
- 84of 100Final score
- 91.9of 100Quality
- 76of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Stephen C. Dinsmore received $3,071 in industry payments from 2016 to 2024
CMS Open Payments shows 106 general payments to Dr. Dinsmore from 22 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Alcon Laboratories Inc paid the most, $933.
General payments to Dr. Dinsmore by program year, 2016 to 2024
General payments to Dr. Dinsmore by kind, 2016 to 2024
- Food and beverage$3,03399%
- Education$381%
Companies that paid Dr. Dinsmore the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen C. Dinsmore has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Dinsmore, most recently Top Doctors:LA Area in 2013.
Awards and honors for Dr. Dinsmore
- 2013
- Top Doctors:LA Area
- 2012
- Top Doctors:Southern California
- Undated
- AAO Fellow
- Checkbook Top Doc
Source: Dmand AI Professional Profile Data
Dr. Stephen C. Dinsmore graduated from Georgetown University School Of Medicine
Dr. Dinsmore graduated from Georgetown University School Of Medicine in 1975. Dr. Dinsmore is a member of AAO.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Stephen C. Dinsmore accepts plans from 11 insurance carriers
Dr. Dinsmore is in network with 11 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aetna
- +3 more carriersWith a free account
Plan types Dr. Dinsmore accepts, by number of carriers
- Medicare8
- PPO7
- HMO5
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen C. Dinsmore'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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 C. Dinsmore
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 C. Dinsmore's NPI number?
Dr. Stephen C. Dinsmore's NPI number is 1891906707. It was assigned on May 24, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen C. Dinsmore?
Dr. Stephen C. Dinsmore is an ophthalmologist in Torrance, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Stephen C. Dinsmore practice?
Dr. Dinsmore practices at 23441 Madison St Suite 120 Suite 120, Torrance, CA 90505-4734. Dr. Dinsmore's primary practice is East-west Eye Institute - Torrance (Madison St) in Torrance, California. Dmand AI also links Dr. Dinsmore to 1 medical group.
What is Dr. Stephen C. Dinsmore's office phone number?
The practice phone on file for Dr. Dinsmore is (310) 373-6708.
What is Dr. Stephen C. Dinsmore's medical license number?
Dr. Dinsmore holds California license WG32005.
Does Dr. Stephen C. Dinsmore accept Medicare?
Yes. CMS data shows Dr. Dinsmore billed Medicare for 1,469 services in 2024.
What is Dr. Stephen C. Dinsmore's MIPS score?
Dr. Dinsmore's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Stephen C. Dinsmore see?
CMS counts 534 Medicare patients who saw Dr. Dinsmore in 2024, with an average age of 78.
Is Dr. Stephen C. Dinsmore board certified?
Yes. Dr. Dinsmore is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Stephen C. Dinsmore bill to Medicare?
In 2024, Dr. Dinsmore's most billed Medicare services were eye exam or test (92014), eye exam or test (92083) and eye exam or test (92134).
Show 5 more questionsShow fewer questions
Where did Dr. Stephen C. Dinsmore go to medical school?
Dr. Dinsmore graduated from Georgetown University School Of Medicine in 1975.
What drugs does Dr. Stephen C. Dinsmore prescribe most?
In 2024 Medicare Part D data, Dr. Dinsmore's most prescribed drugs by claims were Latanoprost, Dorzolamide HCl and Vyzulta.
Has Dr. Stephen C. Dinsmore received payments from drug or device companies?
CMS Open Payments shows $3,071 in general payments to Dr. Dinsmore from 22 companies from 2016 to 2024. The largest total came from Alcon Laboratories Inc.
How long has Dr. Stephen C. Dinsmore been practicing?
Dr. Dinsmore graduated from medical school in 1975, 51 years ago.
What insurance does Dr. Stephen C. Dinsmore accept?
Dr. Dinsmore is in network with 11 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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