Timothy Tien-Min Lee, MD
Psychiatry Physician · Rancho Cucamonga, CA
Timothy Tien-Min Lee, MD is a psychiatry physician with a practice address in Rancho Cucamonga, California, and NPI 1326254137, issued on May 16, 2007. Check the license (California A101050, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Timothy Tien-Min Lee
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A101050 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10737 Laurel St Ste 230, Rancho Cucamonga, CA 91730
- Phone
- (909) 989-5556
- Enumerated
- May 16, 2007
- Record last updated
- Nov 6, 2023
- Fax
- (909) 989-5558
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 10737 Laurel St Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Phyllis BunchMarriage & Family Therapist1760629844
- Gloria Sanchez-Perez, LMFTMarriage & Family Therapist1104143908
- Karen Williams, PH.D.Clinical Psychologist1619004173
Verify Timothy Tien-Min Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A101050Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatry physician in 2024
56 Medicare Part D claims for 12 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Wellbutrin Xl14 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): 85.2 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).
Timothy Tien-Min Lee among 8,673 psychiatry physician records in California
Timothy Tien-Min Lee, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Rancho Cucamonga → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Madhumalti Bhavsar, M.D.Rancho Cucamonga, CA 917301013958867
- Jeffrey Mar, M.D.Rancho Cucamonga, CA 917301043235815
- Nicole Morrison, M.D.Rancho Cucamonga, CA 917301982920278
- Bhupinder Nakai, MDRancho Cucamonga, CA 917301720030208
- Sachin Relia, MDRancho Cucamonga, CA 917301497989347
- Rudy Rodriguez, M.D.Rancho Cucamonga, CA 917301700015732
- Waheed Saeed, MDRancho Cucamonga, CA 917301205888658
- Jinae Su, M.D.Rancho Cucamonga, CA 917301568490373
Common questions
What is Timothy Tien-Min Lee, MD's NPI number?
Timothy Tien-Min Lee, MD's National Provider Identifier (NPI) is 1326254137, issued on May 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Tien-Min Lee, MD located?
The NPPES record lists a practice address at 10737 Laurel St Ste 230, Rancho Cucamonga, CA, 91730. Phone: (909) 989-5556. Providers update this record themselves, so call before visiting.
How can I verify Timothy Tien-Min Lee, MD's license?
NPPES lists California license number A101050, 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 Tien-Min Lee, MD prescribe under Medicare Part D?
In 2024, Timothy Tien-Min Lee, MD had 56 Medicare Part D claims for 12 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Timothy Tien-Min Lee, MD's MIPS final score?
The 2023 MIPS final score is 85.2 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.