David Thomas Stark, MD, PHD
Ophthalmology Physician · Visalia, CA
David Thomas Stark, MD, PHD is an ophthalmology physician with a practice address in Visalia, California, and NPI 1528491990, issued on Aug 20, 2013. Check the license (California A133113, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Thomas Stark
- Credential
- MD, PHD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A133113 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2830 W Main St, Visalia, CA 93291
- Phone
- (559) 636-1000
- Enumerated
- Aug 20, 2013
- Record last updated
- Oct 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (599) 636-3937
- Medicare enrollment
- Enrolled (PECOS I20200617001167); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 2830 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Cantrell, O.D.Optometrist1407060320
- Steven Cantrell, M.D.Ophthalmology Physician1861431413
- William Gerlach, O.D.Optometrist1285674291
- Matthew Kirkman, M.D.Ophthalmology Physician1457545774
- Byron Riegel, M.D.Ophthalmology Physician1316993926
- Kenneth Westbrook, M.D.Ophthalmology Physician1407895071
Verify David Thomas Stark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A133113Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average ophthalmology physician in 2024
807 Medicare Part D claims for 300 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Latanoprost108 claims
- Neomycin-Polymyxin-Dexameth102 claims
- Prednisolone Acetate93 claims
- Doxycycline Monohydrate65 claims
- Dorzolamide-Timolol48 claims
- Moxifloxacin40 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 75.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $86.40
2 payments; by number, the most common kind was food and beverage; the largest payer was Sight Sciences, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Ventura Eye Institute, IncCamarillo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Thomas Stark among 2,899 ophthalmology physician records in California
David Thomas Stark, MD, PHD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 80% of them.
- NPI issued2013 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2001 among the 1,907 with a school on file
- Record last updated2020 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Visalia → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Steven Cantrell, M.D.Visalia, CA 932911861431413
- David Feil, M.D.Visalia, CA 932911164427597
- Stanley Feil, M.D.Visalia, CA 932911942205240
- Matthew Kirkman, M.D.Visalia, CA 932911457545774
- Amanda Lakusta, MDVisalia, CA 932911528288669
- Kien Phung, D.O.Visalia, CA 932911881741668
- Byron Riegel, M.D.Visalia, CA 932911316993926
- Kenneth Westbrook, M.D.Visalia, CA 932911407895071
Common questions
What is David Thomas Stark, MD, PHD's NPI number?
David Thomas Stark, MD, PHD's National Provider Identifier (NPI) is 1528491990, issued on Aug 20, 2013. An NPI identifies a provider in billing; it is not a license.
Where is David Thomas Stark, MD, PHD located?
The NPPES record lists a practice address at 2830 W Main St, Visalia, CA, 93291. Phone: (559) 636-1000. Providers update this record themselves, so call before visiting.
How can I verify David Thomas Stark, MD, PHD's license?
NPPES lists California license number A133113, 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 David Thomas Stark, MD, PHD prescribe under Medicare Part D?
In 2024, David Thomas Stark, MD, PHD had 807 Medicare Part D claims for 300 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is David Thomas Stark, MD, PHD's MIPS final score?
The 2023 MIPS final score is 75.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.