Dr. Timothy T. You, MD

  • Santa Ana, CA
  • Ophthalmologist
NPI1326041880PAC ID9335182666
Medicare services, 2024
77,343
Medicare patients, 2024
1,860
Part D claims, 2024
1,770
Publications
17
MIPS score, 2024
100
Practice address
999 N Tustin Ave, Santa Ana, CA 92705
Practice phone
Call (949) 566-8688
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Elite Surgery Center of Orange County Inc

Santa Ana, California

See all 3 affiliations

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Dr. Timothy T. You is an ophthalmologist in Santa Ana, California

Dr. You practices at Elite Surgery Center of Orange County Inc in Santa Ana, California.

Dr. You's NPI, 1326041880, was assigned on May 27, 2005. Dr. You graduated from Perelman School of Medicine - Philadelphia in 1993. Dr. You holds California license G80625.

NPI and contact details
Medicare PAC ID
9335182666
NPI enumeration date
May 27, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(949) 566-8688
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
59
Medical school graduation
1993

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Timothy T. You practices at Elite Surgery Center of Orange County Inc in Santa Ana, California

Dr. You's primary practice is Elite Surgery Center of Orange County Inc, at 999 N Tustin Ave, Santa Ana, CA 92705 in Orange County. The practice phone is (949) 566-8688.

  • Elite Surgery Center of Orange County Inc
    999 N Tustin Ave, Santa Ana, CA 92705 · Orange CountyPhone(949) 566-8688

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Timothy T. You is affiliated with 2 sites of care and 1 medical group

Dr. You's primary practice is Elite Surgery Center of Orange County Inc in Santa Ana, California. Dmand AI also links Dr. You to 1 group practice or clinic and 1 medical group, each named with a free account.

Elite Surgery Center of Orange County IncSanta Ana, CaliforniaPrimary
1 group practice or clinicName with a free account1 medical groupName with a free account
See all 3 affiliations for Dr. You

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Timothy T. You's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. You practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Elite Surgery Center of Orange County IncAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Timothy T. You is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. You's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. You is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. You's licenses on file in 4 states: California, Oregon, Massachusetts and Rhode Island.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense G80625 · 1995 to 2026 · taxonomy 207W00000X
  • Oregon licenseSince 1999
  • Massachusetts license1997 to 2006
  • Rhode Island license2002 to 2006

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. You treats.

Ophthalmologists near Dr. You

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. Timothy T. You billed Medicare for 77,343 services in 2024

CMS data shows 77,343 Medicare services from Dr. You across 20 procedure codes in 2024, for 1,860 Medicare patients. Medicare paid $3,471,853 for them.

Medicare services, 202477,343
Medicare patients1,860
Paid by Medicare$3.5M
Procedure codes20

Dr. You's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 76,4722024: 60,54321%
Tests and treatments
2023: 15,9812024: 13,92613%
Surgery
2023: 2,2902024: 1,83320%
Office and hospital visits
2023: 9092024: 9343%
Imaging
2023: 1402024: 10724%
Other services
2023: 332024: 0100%

Where Dr. You's Medicare services took place, 2024

  • In an office77,332100%
  • In a facility110%

Dr. You compared with the California median for ophthalmologists, 2024

  • Dr. You
  • California median
Medicare services
77,343vs 1,07971.7 times
Medicare patients
1,860vs 4214.4 times
Part D claims
1,665vs 6182.7 times

Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.

Dr. You'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. Timothy T. You treated 1,860 Medicare patients in 2024, average age 78

CMS counts 1,860 Medicare patients who saw Dr. You in 2024. The largest group is 75 to 84, with 798 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. You's median patient age at 73, with 57% women.

Medicare patients, 20241,860
Average age78
Average risk score1.34
Also on Medicaid12%

Dr. You's Medicare patients by age, 2024

Dr. You's Medicare patients by sex, 2024

  • Women1,04056%
  • Men82044%

Chronic conditions among Dr. You's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure74%
  3. Arthritis45%
  4. Diabetes30%
  5. Ischemic heart disease27%
  6. Chronic kidney disease25%
  7. Osteoporosis23%
  8. Cancer19%

Share of Medicare patients with each condition. A patient can have several.

Dr. You'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

  • Women57%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Timothy T. You wrote 1,770 Medicare Part D claims in 2024

In 2024, Dr. You wrote 1,770 Medicare Part D claims for 403 patients. 49% of them were for generic drugs. CMS names the drug for 1,665 of them, across 24 drugs with 11 or more claims each, at $179,120 in total drug cost. In 2023, CMS named 1,730 claims across 22 drugs.

Part D claims, 20241,770
Drugs named by CMS24
Total drug cost$179,120
Part D patients403

Dr. You's Part D claims by kind of drug, 2024

  • Generic863 claims49%
  • Brand-name907 claims51%

Dr. You'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,7302024: 1,6654%

Drugs named by CMS: 24 in 2024, 22 in 2023.

See all prescribing by Dr. You

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. Timothy T. You scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. You for performance year 2024, reported as part of a group. Dr. You accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. You's MIPS scores, performance year 2024

  • 100of 100Final score
  • 99.9of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Timothy T. You has 17 publications on record

Dmand AI links 17 papers to Dr. You, published from 2014 to 2024. 2016 was the busiest year, with 2. The most frequent topics are Retinal Perforations, Antibodies, Monoclonal and Choroid. Dr. You has published most often in Int Ophthalmol Clin. Dr. You's most frequent co-authors are Sanford Chen, MD, John M. Maggiano, MD and Rajiv Ramesh Rathod, MD.

Papers17
Years published2014 to 2024

Dr. You's papers by year, 2014 to 2024

Topics Dr. You writes about most

  • Retinal Perforations
  • Antibodies, Monoclonal
  • Choroid
  • Fluorescein Angiography
  • Immunohistochemistry
  • Lens Subluxation
  • Ophthalmoscopy
  • Rabbits

Dr. You's most frequent co-authors

Recent publications by Dr. You

See all 17 publications and co-authors

See who Dr. You researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. You works with, so you can find a warm path to the right ophthalmologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Timothy T. You received $268,828 in industry payments from 2016 to 2025

CMS Open Payments shows 672 general payments to Dr. You from 38 drug and device companies from 2016 to 2025. Charitable contributions make up the largest share, 63% of the total. Valeant Pharmaceuticals International paid the most, $153,103.

General payments to Dr. You by program year, 2016 to 2025

General payments to Dr. You by kind, 2016 to 2025

$268.8Kin total
  • Charitable contributions$170,18563%
  • Consulting fees$64,49024%
  • Food and beverage$22,4578%
  • Compensation for serving as faculty or as a speaker for a medical education program$5,4752%
  • Other$5,6292%

Companies that paid Dr. You the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. You

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Timothy T. You has 1 award and honors on record

Dmand AI lists 1 award for Dr. You.

Awards and honors for Dr. You

  1. Undated
    • AAO Fellow

Source: Dmand AI Professional Profile Data

Dr. Timothy T. You graduated from Perelman School of Medicine - Philadelphia

Dr. You graduated from Perelman School of Medicine - Philadelphia in 1993. Dr. You is a member of AAO.

  1. Medical schoolPerelman School of Medicine - Philadelphia
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Timothy T. You accepts plans from 8 insurance carriers

Dr. You is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Regence Health Plans
  • CMS Medicare

Plan types Dr. You accepts, by number of carriers

  1. Medicare8
  2. PPO6
  3. HMO4
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Timothy T. You's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Timothy T. You

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. Timothy T. You's NPI number?

Dr. Timothy T. You's NPI number is 1326041880. It was assigned on May 27, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Timothy T. You?

Dr. Timothy T. You is an ophthalmologist in Santa Ana, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Timothy T. You practice?

Dr. You practices at 999 N Tustin Ave, Santa Ana, CA 92705. Dr. You's primary practice is Elite Surgery Center of Orange County Inc in Santa Ana, California. Dmand AI also links Dr. You to 1 group practice or clinic and 1 medical group.

What is Dr. Timothy T. You's office phone number?

The practice phone on file for Dr. You is (949) 566-8688.

What is Dr. Timothy T. You's medical license number?

Dr. You holds California license G80625, one of the licenses on file in 4 states.

Which states has Dr. Timothy T. You been licensed in?

Dmand AI has state licenses on file for Dr. You in California (1995 to 2026), Oregon (since 1999), Massachusetts (1997 to 2006) and Rhode Island (2002 to 2006).

Does Dr. Timothy T. You accept Medicare?

Yes. CMS data shows Dr. You billed Medicare for 77,343 services in 2024, and Dr. You accepts Medicare assignment.

What is Dr. Timothy T. You's MIPS score?

Dr. You's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.

How many Medicare patients does Dr. Timothy T. You see?

CMS counts 1,860 Medicare patients who saw Dr. You in 2024, with an average age of 78.

Is Dr. Timothy T. You board certified?

Yes. Dr. You is board certified in ophthalmology by the American Board of Ophthalmology.

Show 8 more questionsShow fewer questions

What services does Dr. Timothy T. You bill to Medicare?

In 2024, Dr. You's most billed Medicare services were injected or infused drug (J2777), eye exam or test (92134) and eye exam or test (92201).

Where did Dr. Timothy T. You go to medical school?

Dr. You graduated from Perelman School of Medicine - Philadelphia in 1993.

What drugs does Dr. Timothy T. You prescribe most?

In 2024 Medicare Part D data, Dr. You's most prescribed drugs by claims were Prednisolone Acetate, Timolol Maleate and Brimonidine Tartrate.

Has Dr. Timothy T. You received payments from drug or device companies?

CMS Open Payments shows $268,828 in general payments to Dr. You from 38 companies from 2016 to 2025. The largest total came from Valeant Pharmaceuticals International.

How long has Dr. Timothy T. You been practicing?

Dr. You graduated from medical school in 1993, 33 years ago.

Does Dr. Timothy T. You do research?

Dmand AI links 17 publications to Dr. You, published from 2014 to 2024.

Who does Dr. Timothy T. You publish with?

Dr. You's most frequent co-authors are Sanford Chen, MD (5 shared papers), John M. Maggiano, MD (5 shared papers) and Rajiv Ramesh Rathod, MD (3 shared papers).

What insurance does Dr. Timothy T. You accept?

Dr. You is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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