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Dr. David Thomas Stark, MD, PhD
NPI1528491990PAC ID8325460561
- Medicare services, 2024
- 5,267
- Medicare patients, 2024
- 848
- Part D claims, 2024
- 807
- Publications
- 5
- MIPS score, 2024
- 66
- Practice address
- 3801 Las Posas Rd, Camarillo, CA 93010
- Practice phone
- Call (805) 388-1211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ventura Eye Institute, Inc
Camarillo, California
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Dr. David Thomas Stark is an ophthalmologist in Camarillo, California
Dr. Stark practices at Ventura Eye Institute, Inc in Camarillo, California.
Dr. Stark's NPI, 1528491990, was assigned on August 20, 2013. Dr. Stark graduated from LSU Health Sciences Center New Orleans - School of Medicine in 2013. Dr. Stark holds California license A133113.
NPI and contact details
- NPI
- 1528491990NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325460561
- NPI enumeration date
- August 20, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (805) 388-1211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Thomas Stark practices at Ventura Eye Institute, Inc in Camarillo, California
Dr. Stark's primary practice is Ventura Eye Institute, Inc, at 3801 Las Posas Rd, Camarillo, CA 93010 in Ventura County. The practice phone is (805) 388-1211.
- Ventura Eye Institute, Inc3801 Las Posas Rd, Camarillo, CA 93010 · Ventura CountyPhone(805) 388-1211
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Thomas Stark is affiliated with 3 sites of care and 2 medical groups
Dr. Stark's primary practice is Ventura Eye Institute, Inc in Camarillo, California. Dmand AI also links Dr. Stark to 2 group practices and clinics and 2 medical groups, each named with a free account.
Ventura Eye Institute, IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Thomas Stark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stark practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ventura Eye Institute, Inc | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Thomas Stark is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Stark's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Stark 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, eyelid inflammation, glaucoma, hereditary corneal conditions and hypertensive retinopathy among the conditions Dr. Stark treats.
Ophthalmologists near Dr. Stark
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
2,621ophthalmologists in California
2ophthalmologists in Camarillo
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David Thomas Stark billed Medicare for 5,267 services in 2024
CMS data shows 5,267 Medicare services from Dr. Stark across 26 procedure codes in 2024, for 848 Medicare patients. Medicare paid $387,324 for them.
Medicare services, 20245,267
Medicare patients848
Paid by Medicare$387,324
Procedure codes26
Dr. Stark's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,3612024: 2,45881%
- Office and hospital visits
- 2023: 7972024: 1,748119%
- Surgery
- 2023: 2032024: 523158%
- Imaging
- 2023: 3112024: 50161%
- Drugs given in the office
- 2023: 02024: 37
Where Dr. Stark's Medicare services took place, 2024
- In an office5,18798%
- In a facility802%
Dr. Stark compared with the California median for ophthalmologists, 2024
- Dr. Stark
- California median
- Medicare services
- 5,267vs 1,0794.9 times
- Medicare patients
- 848vs 4212.0 times
- Part D claims
- 684vs 61811% above
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Stark'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Thomas Stark treated 848 Medicare patients in 2024, average age 77
CMS counts 848 Medicare patients who saw Dr. Stark in 2024. The largest group is 75 to 84, with 337 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Stark's median patient age at 66, with 63% women.
Medicare patients, 2024848
Average age77
Average risk score1.10
Also on Medicaid14%
Dr. Stark's Medicare patients by age, 2024
Dr. Stark's Medicare patients by sex, 2024
- Women52762%
- Men32138%
Chronic conditions among Dr. Stark's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes33%
- Ischemic heart disease29%
- Osteoporosis24%
- Anxiety23%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Thomas Stark wrote 807 Medicare Part D claims in 2024
In 2024, Dr. Stark wrote 807 Medicare Part D claims for 300 patients. 66% of them were for generic drugs. CMS names the drug for 684 of them, across 18 drugs with 11 or more claims each, at $31,281 in total drug cost. In 2023, CMS named 1,953 claims across 27 drugs.
Part D claims, 2024807
Drugs named by CMS18
Total drug cost$31,281
Part D patients300
Dr. Stark's Part D claims by kind of drug, 2024
- Generic530 claims66%
- Brand-name277 claims34%
Dr. Stark'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. Stark's Part D claims, 2024
- Antibiotics9%73 of 807 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: 1,9532024: 68465%
Drugs named by CMS: 18 in 2024, 27 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. David Thomas Stark scored 66 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 66 out of 100 for Dr. Stark for performance year 2024, reported as part of a group. Dr. Stark accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Stark as offering telehealth. CMS counts 87 procedures of cataract surgery by Dr. Stark, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Stark's MIPS scores, performance year 2024
- 66of 100Final score
- 65of 100Quality
- 52of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Stark ranks in Medicare procedure volume
- Cataract surgery
- 72nd percentile87 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. David Thomas Stark has 5 publications on record
Dmand AI links 5 papers to Dr. Stark, published from 2009 to 2019. The most frequent topics are Docosahexaenoic Acids. Dr. Stark's most frequent co-authors are Joseph Caprioli, MD and Jacky Kwong, MD.
Papers5
Years published2009 to 2019
Dr. Stark's papers by year, 2009 to 2019
Topics Dr. Stark writes about most
- Docosahexaenoic Acids
Dr. Stark's most frequent co-authors
Recent publications by Dr. Stark
World Rev Nutr Diet
BrainDietDocosahexaenoic Acids
Apolipoproteins ECorneaDisease Models, Animal
See who Dr. Stark researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stark 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. David Thomas Stark received $1,760 in industry payments from 2018 to 2025
CMS Open Payments shows 29 general payments to Dr. Stark from 10 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 97% of the total. Alcon Laboratories Inc paid the most, $779.
General payments to Dr. Stark by program year, 2018 to 2025
General payments to Dr. Stark by kind, 2018 to 2025
$1.8Kin total
- Food and beverage$1,71597%
- Gifts$453%
Companies that paid Dr. Stark the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Thomas Stark graduated from LSU Health Sciences Center New Orleans - School of Medicine
Dr. Stark graduated from LSU Health Sciences Center New Orleans - School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. David Thomas Stark accepts plans from 15 insurance carriers
Dr. Stark is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Stark accepts, by number of carriers
- PPO10
- Medicare9
- HMO7
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. David Thomas Stark'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. David Thomas Stark
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. David Thomas Stark's NPI number?
Dr. David Thomas Stark's NPI number is 1528491990. It was assigned on August 20, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. David Thomas Stark?
Dr. David Thomas Stark is an ophthalmologist in Camarillo, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. David Thomas Stark practice?
Dr. Stark practices at 3801 Las Posas Rd, Camarillo, CA 93010. Dr. Stark's primary practice is Ventura Eye Institute, Inc in Camarillo, California. Dmand AI also links Dr. Stark to 2 group practices and clinics and 2 medical groups.
What is Dr. David Thomas Stark's office phone number?
The practice phone on file for Dr. Stark is (805) 388-1211.
What is Dr. David Thomas Stark's medical license number?
Dr. Stark holds California license A133113.
Does Dr. David Thomas Stark accept Medicare?
Yes. CMS data shows Dr. Stark billed Medicare for 5,267 services in 2024, and Dr. Stark accepts Medicare assignment.
Does Dr. David Thomas Stark offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Stark as offering telehealth services.
What is Dr. David Thomas Stark's MIPS score?
Dr. Stark's MIPS final score for performance year 2024 is 66 out of 100, reported as part of a group.
How many Medicare patients does Dr. David Thomas Stark see?
CMS counts 848 Medicare patients who saw Dr. Stark in 2024, with an average age of 77.
What services does Dr. David Thomas Stark bill to Medicare?
In 2024, Dr. Stark's most billed Medicare services were office visit, established patient (99215), eye exam or test (92134) and office visit, established patient (99213).
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Where did Dr. David Thomas Stark go to medical school?
Dr. Stark graduated from LSU Health Sciences Center New Orleans - School of Medicine in 2013.
What drugs does Dr. David Thomas Stark prescribe most?
In 2024 Medicare Part D data, Dr. Stark's most prescribed drugs by claims were Latanoprost, Neomycin-Polymyxin-Dexameth and Prednisolone Acetate.
Has Dr. David Thomas Stark received payments from drug or device companies?
CMS Open Payments shows $1,760 in general payments to Dr. Stark from 10 companies from 2018 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. David Thomas Stark been practicing?
Dr. Stark graduated from medical school in 2013, 13 years ago.
Does Dr. David Thomas Stark do research?
Dmand AI links 5 publications to Dr. Stark, published from 2009 to 2019.
Who does Dr. David Thomas Stark publish with?
Dr. Stark's most frequent co-authors are Joseph Caprioli, MD (1 shared paper) and Jacky Kwong, MD (1 shared paper).
What insurance does Dr. David Thomas Stark accept?
Dr. Stark is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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