NPPES file of Aug 9, 2026

Timothy T. You, M.D.

Ophthalmology Physician · Santa Ana, CA

Timothy T. You, M.D. is an ophthalmology physician with a practice address in Santa Ana, California, and NPI 1326041880, issued on May 27, 2005. Check the license (California G80625, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326041880
Name
Timothy T. You
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
G80625 CA
Self-reported in NPPES; status is on the state search
Practice location
999 N Tustin Ave Ste 17, Santa Ana, CA 92705
Phone
(714) 972-8432
Enumerated
May 27, 2005
Record last updated
Sep 9, 2024
Medicare enrollment
Enrolled (PECOS I20050607000825); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 999 N Tustin Ave Ste 17

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Melanie Ozgur, ODOptometrist1922836154

Verify Timothy T. You in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G80625
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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17% more Medicare Part D claims than the average ophthalmology physician in 2024

1,770 Medicare Part D claims for 403 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.

  1. Timothy You1,770
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate414 claims
  2. Timolol Maleate146 claims
  3. Brimonidine Tartrate141 claims
  4. Dorzolamide-Timolol101 claims
  5. Latanoprost99 claims
  6. Simbrinza99 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): 100 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.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,240.02

104 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.

  1. Timothy You$3,240.02
  2. Specialty average$4,535.02

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

  1. Orange County Retina Medical GroupLaguna Hills, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Timothy T. You among 2,899 ophthalmology physician records in California

Timothy T. You, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1993 · median 2001 among the 1,907 with a school on file
  • Record last updated2024 · 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.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Paul Brailsford, M.D.Santa Ana, CA 927051770543118
  2. Sanford Chen, M.D.Santa Ana, CA 927051427051994
  3. William Gaffney, M.D.North Tustin, CA 927051407278179
  4. Richard Hill, M.D.Santa Ana, CA 927051255482055
  5. Timothy Huang, M.D.Santa Ana, CA 927051992742613
  6. Michael Lappin, MDSanta Ana, CA 927051497829006
  7. John Maggiano, M.D.Santa Ana, CA 927051750386546
  8. Rajiv Rathod, MDSanta Ana, CA 927051821201351

Common questions

What is Timothy T. You, M.D.'s NPI number?

Timothy T. You, M.D.'s National Provider Identifier (NPI) is 1326041880, issued on May 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Timothy T. You, M.D. located?

The NPPES record lists a practice address at 999 N Tustin Ave Ste 17, Santa Ana, CA, 92705. Phone: (714) 972-8432. Providers update this record themselves, so call before visiting.

How can I verify Timothy T. You, M.D.'s license?

NPPES lists California license number G80625, 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 Timothy T. You, M.D. prescribe under Medicare Part D?

In 2024, Timothy T. You, M.D. had 1,770 Medicare Part D claims for 403 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Timothy T. You, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 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.