Are you Olivia L. Mac, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Olivia L. Mac, M.D.
- Wildomar location main office
36320 Inland Valley Dr. #101A, Wildomar, CA 92595 - Fontana location
9961 Sierra Ave, Fontana, CA 92335
About Dr. Mac
Based in Wildomar, CA, Olivia L. Mac, M.D. is listed in the NPI registry under surgery. Olivia graduated from Medical College of Wisconsin in 2016. Olivia is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Olivia cared for 141 Medicare patients across 193 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. NPI 1265886824 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (951) 698-3000
- Email not available
Practice Locations
36320 INLAND VALLEY DR. #101A
Wildomar, CA 92595
9961 Sierra Ave
Fontana, CA 92335
Conditions Commonly Evaluated or Treated
Within Surgery (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Breast conditions
Cancer
- Colon cancer
- Esophageal cancer
- Liver cancer
- Neuroendocrine Tumors
- Pancreatic cancer
- Soft-tissue sarcoma
- Stomach cancer
- Thyroid cancer
Colorectal
Digestive
- Abdominal adhesions
- Acid reflux
- Acute pancreatitis
- Bowel obstruction
- Colon polyps
- Diverticulitis
- Gastroparesis
- Peptic ulcer disease
Digestive & blood
Digestive health
- Crohn's disease
- Fecal incontinence
- Perforated bowel
- Severe chronic constipation
- Swallowing difficulties
- Ulcerative colitis
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Procedures & services
Most searched procedures
Abdominal
Abdominal surgery
Bariatric
Breast surgery
Cancer
Cancer surgery
Colorectal
- Anal fistula surgery
- Anal Sphincter Repair
- Colon resection
- Hemorrhoid removal
- Ostomy reversal
- Ostomy surgery
- Rectal prolapse repair
- Surgery for chronic anal fissure
Consultations
Diagnostic
Digestive
Digestive health
Endocrine
Infections
Minor surgery
Post-op care
Reconstruction
Skin & soft tissue
- Cyst Removal
- Lipoma removal
- Mole removal
- Pilonidal cyst surgery
- Scar revision surgery
- Skin Tag Removal
Skin cancer
Vascular
Vascular & cancer
Weight loss
Wound care
Wounds
Procedures Most Often Billed to Medicare
193 services · 141 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
131 | More often than most peers in Surgery |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
46 | More often than most peers in Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
16 | Less often than most peers in Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other general surgeons at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 18 related providers in 3 groups
Other general surgeons in Wildomar 2
Same specialty, same city.
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Medical College of Wisconsin 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Olivia L. Mac?
Olivia L. Mac is a general surgeon in Wildomar, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
What is Olivia L. Mac's address?
Olivia L. Mac is listed at 36320 Inland Valley Dr. #101A, Wildomar, CA 92595. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Olivia L. Mac?
The number on file is (951) 698-3000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Olivia L. Mac's NPI number?
Olivia L. Mac's National Provider Identifier is 1265886824. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Olivia L. Mac train?
Olivia L. Mac attended Medical College of Wisconsin, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Olivia L. Mac been practicing?
Olivia L. Mac has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What procedures does Olivia L. Mac perform?
According to Medicare billing data, Olivia L. Mac the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Olivia L. Mac confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Olivia L. Mac. If this is you, claiming it is free.
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