NPPES file of Aug 9, 2026

Theodore K. Lin, M.D.

Retina Specialist (Ophthalmology) Physician · Menifee, CA

Theodore K. Lin, M.D. is a retina specialist (ophthalmology) physician with a practice address in Menifee, California, and NPI 1528121126, issued on Dec 18, 2006. Check the license (California A108992, 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
1528121126
Name
Theodore K. Lin
Credential
M.D.
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License number
A108992 CA
Self-reported in NPPES; status is on the state search
Practice location
29798 Haun RD, Menifee, CA 92586
Phone
(951) 679-0400
Enumerated
Dec 18, 2006
Record last updated
Nov 9, 2023
Fax
(951) 672-6667
Medicaid ID
00A1089920 CA
Medicare enrollment
Enrolled (PECOS I20091009000251); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 2003
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 29798 Haun RD

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

  1. Dilyana Aly, D.P.T.Physical Therapist1932532488
  2. Paul Blacharski, M.D.Retina Specialist (Ophthalmology) Physician1215034335
  3. Vadim Gurvits, D.O.Family Medicine Physician1790725398
  4. Sarah Harmon, D.P.T.Physical Therapist1174999593
  5. Laura Holzer, M.D.Internal Medicine Physician1972862092
  6. Jude Hsieh, PHARM.D.Pharmacist1760855829

Verify Theodore K. Lin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A108992
    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

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41% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

365 Medicare Part D claims for 131 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.

  1. Theodore Lin365
  2. Specialty average620

Most prescribed

  1. Prednisolone Acetate106 claims
  2. Latanoprost74 claims
  3. Ofloxacin35 claims
  4. Moxifloxacin34 claims
  5. Dorzolamide-Timolol17 claims
  6. Timolol Maleate17 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 score98.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%96.0
  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: $360.60

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

  1. Theodore Lin$360.60
  2. Specialty average$7,667.49

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. Inland Valley Retina Medical Associates, IncTemecula, CA

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

Retina Specialist (Ophthalmology) Physician providers in California

There are 205 retina specialist (ophthalmology) physician records in California.

Other retina specialist (ophthalmology) physician records in California

  1. Sean Adrean, M.D.Fullerton, CA1073566568
  2. Anita Agarwal, MDSan Francisco, CA1508940628
  3. Harris Ahmed, DO, MPHPalm Desert, CA1700413317
  4. Tarek Alasil, MDLos Angeles, CA1003072786
  5. Payam Amini, M.DPasadena, CA1205036456
  6. Michael Ammar, MDPoway, CA1982099115
  7. Samuel Asanad, MDMission Hills, CA1194345975
  8. Adrian Au, MDLos Angeles, CA1124482450
  9. Robert Avery, M.D.Santa Barbara, CA1700985496
  10. Amr Azzam, MD, PHDLoma Linda, CA1013898774

Common questions

What is Theodore K. Lin, M.D.'s NPI number?

Theodore K. Lin, M.D.'s National Provider Identifier (NPI) is 1528121126, issued on Dec 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Theodore K. Lin, M.D. located?

The NPPES record lists a practice address at 29798 Haun RD, Menifee, CA, 92586. Phone: (951) 679-0400. Providers update this record themselves, so call before visiting.

How can I verify Theodore K. Lin, M.D.'s license?

NPPES lists California license number A108992, 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 Theodore K. Lin, M.D. prescribe under Medicare Part D?

In 2024, Theodore K. Lin, M.D. had 365 Medicare Part D claims for 131 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.

What is Theodore K. Lin, 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.