Timothy Mark Lee, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Laguna Hills, CA
Timothy Mark Lee, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Laguna Hills, California, and NPI 1881988962, issued on Jun 6, 2011. Check the license (California A154790, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Timothy Mark Lee
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- A154790 CA
Self-reported in NPPES; status is on the state search - Practice location
- 24411 Health Center Dr Ste 680, Laguna Hills, CA 92653
- Phone
- (949) 268-4568
- Enumerated
- Jun 6, 2011
- Record last updated
- Feb 10, 2025
- Fax
- (949) 455-2795
- Medicare enrollment
- Enrolled (PECOS I20211105002401); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2011
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 634 in California → Look up another NPI →
Also registered at 24411 Health Center Dr Ste 680
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Fazzalaro, PA-CSurgical Physician Assistant1912065228
- Colin Joyo, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1124186754
- Tara Krishnasastry, P.A.Physician Assistant1639313745
- Scott Lee, M.D.Gastroenterology Physician1063703890
- Asad Shah, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1477710440
- Benjamin Weinberg, MDGastroenterology Physician1598826612
Verify Timothy Mark Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A154790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
96 Medicare Part D claims for 76 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Mupirocin71 claims
- Gabapentin11 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): 84.4 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: $223.25
7 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 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
- Memorialcare Medical FoundationLaguna Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Mark Lee among 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California
Timothy Mark Lee, M.D. is one of 634 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 75% of them.
- NPI issued2011 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2011 · median 1997 among the 408 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in California
There are 634 thoracic surgery (cardiothoracic vascular surgery) physician records in California.
All 634 in California → Every provider in Laguna Hills → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Patrick Griffith, M.D.Laguna Hills, CA 926531437186285
- Colin Joyo, M.D.Laguna Hills, CA 926531124186754
- Erick Montero, M.D.Laguna Hills, CA 926531033439005
- David Perkowski, MDLaguna Hills, CA 926531942226279
- Ledford Powell, MDLaguna Hills, CA 926531700832110
- Asad Shah, M.D.Laguna Hills, CA 926531477710440
- James Cernilia, M.D.Newport Beach, CA 926601891804423
- Yuichi Ishida, M.D.Newport Beach, CA 926631053667220
Common questions
What is Timothy Mark Lee, M.D.'s NPI number?
Timothy Mark Lee, M.D.'s National Provider Identifier (NPI) is 1881988962, issued on Jun 6, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Mark Lee, M.D. located?
The NPPES record lists a practice address at 24411 Health Center Dr Ste 680, Laguna Hills, CA, 92653. Phone: (949) 268-4568. Providers update this record themselves, so call before visiting.
How can I verify Timothy Mark Lee, M.D.'s license?
NPPES lists California license number A154790, 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 Mark Lee, M.D. prescribe under Medicare Part D?
In 2024, Timothy Mark Lee, M.D. had 96 Medicare Part D claims for 76 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
What is Timothy Mark Lee, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.4 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.