Mark Giglio, MD
Family Medicine Physician · Brea, CA
Mark Giglio, MD is a family medicine physician with a practice address in Brea, California, and NPI 1134129182, issued on Jul 29, 2005. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Giglio
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- Practice location
- 955 W Imperial Hwy Ste 110, Brea, CA 92821
- Phone
- (714) 449-6900
- Enumerated
- Jul 29, 2005
- Entity
- Type 1 · individual
Also registered at 955 W Imperial Hwy Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Susan Cocke, MDAllergy Physician1861540775
- Alexandra Duke, D.OFamily Medicine Physician1760479992
- Anne Ford, MDFamily Medicine Physician1518967140
- Patricia Gandasetiawan, PA-CPhysician Assistant1609361252
Verify Mark Giglio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,370 Medicare Part D claims for 696 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 226 claims were for opioids.
Most prescribed
- Atorvastatin Calcium515 claims
- Levothyroxine Sodium351 claims
- Amlodipine Besylate334 claims
- Losartan Potassium264 claims
- Lisinopril196 claims
- Simvastatin193 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: $40.40
2 payments, mostly food and beverage; the largest payer was GlaxoSmithKline, LLC.. The 53,013 providers of this specialty with any payment received $861.30 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.
One hospital or facility affiliation
- Providence Medical FoundationDiamond Bar, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
42 family medicine physician records list a Brea practice address
They are 42 of the 1,052 NPPES records with a Brea practice address, and 16,272 family medicine physician records in California.
All 42 in Brea → All 16,272 in California → Every provider in Brea →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Mark Giglio, MD's NPI number?
Mark Giglio, MD's National Provider Identifier (NPI) is 1134129182, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Giglio, MD located?
The NPPES record lists a practice address at 955 W Imperial Hwy Ste 110, Brea, CA, 92821. Phone: (714) 449-6900. Providers update this record themselves, so call before visiting.
How can I verify Mark Giglio, MD's license?
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 Mark Giglio, MD prescribe under Medicare Part D?
In 2024, Mark Giglio, MD had 7,370 Medicare Part D claims for 696 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.