Olivia L. Mac, M.D.
Surgery Physician · Wildomar, CA
Olivia L. Mac, M.D. is a surgery physician with a practice address in Wildomar, California, and NPI 1265886824, issued on Apr 20, 2016. Check the license (California A154938, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Olivia L. Mac
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- A154938 CA
Self-reported in NPPES; status is on the state search - Practice location
- 36320 Inland Valley Dr. #101A, Wildomar, CA 92595
- Phone
- (951) 698-3000
- Enumerated
- Apr 20, 2016
- Record last updated
- Oct 17, 2022
- Fax
- (951) 698-7700
- Medicare enrollment
- Enrolled (PECOS I20211027002680); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2016
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 36320 Inland Valley Dr. #101A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bolaji Nafiu, M.D.Vascular Surgery Physician1003927393
Verify Olivia L. Mac in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A154938Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average surgery physician in 2024
16 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $6,335.18
34 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Murrieta Valley Surgery Associates Medical Group Inc ApcWildomar, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Olivia L. Mac among 3,118 surgery physician records in California
Olivia L. Mac, M.D. is one of 3,118 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 2016, is newer than 83% of them.
- NPI issued2016 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2016 · median 2003 among the 1,901 with a school on file
- Record last updated2022 · 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 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 surgery physician records list a practice address in Wildomar
They are 9 of the 937 NPPES records with a practice address in Wildomar, and 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Wildomar → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Marvin Atchison, MDWildomar, CA 925951730141383
- Kaylene Barrera, MDWildomar, CA 925951467747188
- Raymund Cordero, M.D.Wildomar, CA 925951003822347
- Stephen Dada, M.D.Wildomar, CA 925951710040605
- Francis Essien, M.D.Wildomar, CA 925951295741635
- Tito Gorski, M.D.Wildomar, CA 925951508958240
- James O'Loughlin, D.O.Wildomar, CA 925951124438924
- Craig Owens, M.D.Wildomar, CA 925951184735136
Common questions
What is Olivia L. Mac, M.D.'s NPI number?
Olivia L. Mac, M.D.'s National Provider Identifier (NPI) is 1265886824, issued on Apr 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Olivia L. Mac, M.D. located?
The NPPES record lists a practice address at 36320 Inland Valley Dr. #101A, Wildomar, CA, 92595. Phone: (951) 698-3000. Providers update this record themselves, so call before visiting.
How can I verify Olivia L. Mac, M.D.'s license?
NPPES lists California license number A154938, 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 Olivia L. Mac, M.D. prescribe under Medicare Part D?
In 2024, Olivia L. Mac, M.D. had 16 Medicare Part D claims; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
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.