Patricia Wai-Yin Lo, M.D.
Obstetrics & Gynecology Physician · Laguna Hills, CA
Patricia Wai-Yin Lo, M.D. is an obstetrics & gynecology physician with a practice address in Laguna Hills, California, and NPI 1467719146, issued on Apr 18, 2012. Check the license (California A-149519, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Patricia Wai-Yin Lo
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A-149519 CA
Self-reported in NPPES; status is on the state search - Practice location
- 24411 Health Center Dr Ste 200, Laguna Hills, CA 92653
- Phone
- (949) 829-5500
- Enumerated
- Apr 18, 2012
- Record last updated
- May 16, 2022
- Medicare enrollment
- Enrolled (PECOS I20180326002136); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 24411 Health Center Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Davis, MDObstetrics & Gynecology Physician1801392899
- Christina Gabel, CNM, WHCNPAdvanced Practice Midwife1770774861
- Angela Kim, M.D.Obstetrics & Gynecology Physician1275935975
- Katherine Lee, M.D.Obstetrics & Gynecology Physician1265720551
- Jamie Miller, MDObstetrics & Gynecology Physician1720577323
- Jessica Parris, CNMAdvanced Practice Midwife1629679840
Verify Patricia Wai-Yin Lo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A-149519Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
193 Medicare Part D claims for 60 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Estradiol46 claims
- Estradiol (Twice Weekly)34 claims
- Clobetasol Propionate20 claims
- Veozah11 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: $45.18
2 payments; by number, the most common kind was food and beverage; the largest payer was Exeltis, USA Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Hoag ClinicLaguna Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patricia Wai-Yin Lo among 5,088 obstetrics & gynecology physician records in California
Patricia Wai-Yin Lo, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2012 · median 2004 among the 2,700 with a school on file
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 obstetrics & gynecology physician records list a practice address in Laguna Hills
They are 33 of the 2,069 NPPES records with a practice address in Laguna Hills, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Laguna Hills → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Margaret Audell, MDLaguna Hills, CA 926531487602199
- Linda Chung, M.D.Laguna Hills, CA 926531053314211
- Navneet Gogia, MDLaguna Hills, CA 926531285682161
- Carol Kaminskas, MDLaguna Hills, CA 926531487603718
- Julie Kim, MDLaguna Hills, CA 926531689679417
- Brian Koperek, MDLaguna Hills, CA 926531306894191
- Rachael Lopez, MDLaguna Hills, CA 926531639174899
- Dennis Martin, MDLaguna Hills, CA 926531801854096
Common questions
What is Patricia Wai-Yin Lo, M.D.'s NPI number?
Patricia Wai-Yin Lo, M.D.'s National Provider Identifier (NPI) is 1467719146, issued on Apr 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Patricia Wai-Yin Lo, M.D. located?
The NPPES record lists a practice address at 24411 Health Center Dr Ste 200, Laguna Hills, CA, 92653. Phone: (949) 829-5500. Providers update this record themselves, so call before visiting.
How can I verify Patricia Wai-Yin Lo, M.D.'s license?
NPPES lists California license number A-149519, 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 Patricia Wai-Yin Lo, M.D. prescribe under Medicare Part D?
In 2024, Patricia Wai-Yin Lo, M.D. had 193 Medicare Part D claims for 60 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Patricia Wai-Yin Lo, 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.