Dianne Barrett
Retina Specialist (Ophthalmology) Physician · San Antonio, TX
Dianne Barrett is a retina specialist (ophthalmology) physician with a practice address in San Antonio, Texas, and NPI 1669850335, issued on May 13, 2015. Check the license (Texas T2116, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Dianne Barrett
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License numbers
- T2116 TX
A161157 CA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Mccullough Ave, San Antonio, TX 78215
- Phone
- (210) 226-6169
- Enumerated
- May 13, 2015
- Record last updated
- Jul 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210812002874); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 107 in Texas → Look up another NPI →
Also registered at 800 Mccullough Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Anderson, R.N.Ophthalmic Registered Nurse1730190091
- Jimena Camp, M.DOphthalmology Physician1821478355
- Gawain Dyer, M.D.Ophthalmology Physician1427286137
- Aaron Erdmanczyk, O.D.Optometrist1578562377
- William Ford, MDOphthalmology Physician1376172320
- Dudley Harris, M.D.Ophthalmology Physician1396743431
Verify Dianne Barrett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T2116Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024
560 Medicare Part D claims for 182 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Prednisolone Acetate141 claims
- Eylea80 claims
- Ciprofloxacin Hcl77 claims
- Brimonidine Tartrate48 claims
- Dorzolamide-Timolol47 claims
- Latanoprost46 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): 70.7 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: $356.09
14 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, Inc. The 1,253 providers of this specialty with any payment received $7,667.49 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
- San Antonio Eye Center, PASan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dianne Barrett among 107 retina specialist (ophthalmology) physician records in Texas
Dianne Barrett is one of 107 retina specialist (ophthalmology) physician records with a practice address in Texas. 96% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 73% of them.
- NPI issued2015 · 73% of these records are older, 19% newer
- In a Medicare fileYes · 96% of these records are
- In the CMS Doctors and Clinicians fileYes · 90% of these records are
- Graduated2015 · median 2006 among the 96 with a school on file
- Record last updated2021 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in Texas
There are 107 retina specialist (ophthalmology) physician records in Texas.
All 107 in Texas → Every provider in San Antonio → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- Duncan Friedman, M.D.San Antonio, TX 782161457512725
- Thomas Oei, MDSan Antonio, TX 782161861468530
- Malvin Driver, M.D.San Antonio, TX 782131609800127
- Sepehr Bahadorani, MDSan Antonio, TX 782071306227335
- Michael Harrell, MDSan Antonio, TX 782071689092660
- Abumere Akinwale, MDSan Antonio, TX 782291083871818
- Corrina Azarcon, MDSan Antonio, TX 782291740031624
- Mehdi Emamverdi, M.D.San Antonio, TX 782291578361812
Common questions
What is Dianne Barrett's NPI number?
Dianne Barrett's National Provider Identifier (NPI) is 1669850335, issued on May 13, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Dianne Barrett located?
The NPPES record lists a practice address at 800 Mccullough Ave, San Antonio, TX, 78215. Phone: (210) 226-6169. Providers update this record themselves, so call before visiting.
How can I verify Dianne Barrett's license?
NPPES lists Texas license number T2116, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dianne Barrett prescribe under Medicare Part D?
In 2024, Dianne Barrett had 560 Medicare Part D claims for 182 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.
What is Dianne Barrett's MIPS final score?
The 2023 MIPS final score is 70.7 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.