Doctor profile · Federal record

Dr. Olivia Mac, M.D.

Surgery Physician (CMS: General Surgery) · Student in an Organized Health Care Education/Training Program · Wildomar, CA

  • NPI 1265886824
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
36320 Inland Valley Dr. #101A
Wildomar, CA 925957512
(951) 698-3000
fax (951) 698-7700
Additional location
9961 Sierra Ave
Fontana, CA 923356720
(909) 427-5000
Mailing address
36320 Inland Valley Dr., Suite 101A
Wildomar, CA 925957512

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
October 17, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #A154938

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265886824. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
335
Distinct HCPCS
3
Medicare allowed
$34,795
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 196 110 $81
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 125 122 $132
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $176

In context: peer comparison

Among 6 peers in Wildomar Surgery Physician, average services per provider: 39. This provider delivers 8.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$6,335
Transactions
34
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 31 $6,122.32
Biotissue Holdings INC. 1 $150.59
Baxter Healthcare 1 $43.33
Integra LifeSciences Corporation 1 $18.94

By nature of payment

Education
$4,000
Food and Beverage
$1,182
Travel and Lodging
$1,153

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Olivia Mac's medical specialty?
Dr. Olivia Mac practices Surgery Physician in Wildomar, CA.
Where does Dr. Olivia Mac practice?
Dr. Olivia Mac practices at 36320 Inland Valley Dr. #101A, Wildomar, CA 925957512. Office phone: 9516983000.
What is Dr. Olivia Mac's NPI?
Dr. Olivia Mac's National Provider Identifier (NPI) is 1265886824, issued by NPPES.
Does Dr. Olivia Mac accept Medicare assignment?
Yes. Dr. Olivia Mac accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Olivia Mac commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.