Percy Po-Yih Lee, M.D.
Radiation Oncology Physician · Irvine, CA
Percy Po-Yih Lee, M.D. is a radiation oncology physician with a practice address in Irvine, California, and NPI 1447442504, issued on Aug 13, 2007. Check the license (California A88897, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Percy Po-Yih Lee
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- A88897 CA
S2827 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Fivepoint, Irvine, CA 92618
- Phone
- (626) 256-4673
- Enumerated
- Aug 13, 2007
- Record last updated
- Jun 6, 2022
- Medicaid ID
- 00A888970 CA
- Medicare enrollment
- Enrolled (PECOS I20080924000440); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 1000 Fivepoint
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Alessi, PA-CPhysician Assistant1962711838
- Tara Anderson, PA-CPhysician Assistant1770058349
- Aubree Ashdown, PA-CPhysician Assistant1679244503
- Ghazal Bahri, M.D.Hospitalist Physician1770013146
- Meg Camille Baldonado, FNP-CFamily Nurse Practitioner1346602604
- Joseph Barrera, FNPFamily Nurse Practitioner1306289491
Verify Percy Po-Yih Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88897Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average radiation oncology physician in 2024
74 Medicare Part D claims for 36 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl47 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): 99.1 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: $8,788.22
16 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,275 providers of this specialty with any payment received $1,897.85 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
- City OF Hope Medical FoundationNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Percy Po-Yih Lee among 735 radiation oncology physician records in California
Percy Po-Yih Lee, M.D. is one of 735 radiation oncology physician records with a practice address in California. 83% 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 45% of them.
- NPI issued2007 · 45% of these records are older, 43% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2003 · median 2005 among the 545 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California.
All 735 in California → Every provider in Irvine → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Colton Ladbury, MDIrvine, CA 926181891256756
- Harry Moyses, M.D.Irvine, CA 926181376522300
- Selamawit Negusse, MDIrvine, CA 926181316144041
- Amanda Schwer, MDIrvine, CA 926181780721043
- Kenneth Tokita, M.D.Irvine, CA 926181447432653
- Julius Weng, M.D.Irvine, CA 926181174084610
- John Loh, M.D.Laguna Woods, CA 926371114197472
- Parima Daroui, M.D. PH.D.Wildomar, CA 925951629283841
Common questions
What is Percy Po-Yih Lee, M.D.'s NPI number?
Percy Po-Yih Lee, M.D.'s National Provider Identifier (NPI) is 1447442504, issued on Aug 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Percy Po-Yih Lee, M.D. located?
The NPPES record lists a practice address at 1000 Fivepoint, Irvine, CA, 92618. Phone: (626) 256-4673. Providers update this record themselves, so call before visiting.
How can I verify Percy Po-Yih Lee, M.D.'s license?
NPPES lists California license number A88897, 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 Percy Po-Yih Lee, M.D. prescribe under Medicare Part D?
In 2024, Percy Po-Yih Lee, M.D. had 74 Medicare Part D claims for 36 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Percy Po-Yih Lee, M.D.'s MIPS final score?
The 2023 MIPS final score is 99.1 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.