Doctor profile · Federal record

Dr. Mark Giglio, MD

Family Medicine Physician (CMS: Family Practice) · Brea, CA

  • NPI 1134129182
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
955 W Imperial Hwy Ste 110
Brea, CA 92821
(714) 449-6900
Additional location
2720 N Harbor Blvd, Suite 200
Fullerton, CA 928352609
(714) 449-6910
fax (714) 525-1698

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
November 2, 2021
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #G67099

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134129182. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
973
Distinct HCPCS
10
Medicare allowed
$106,705
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 429 221 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 148 115 $99
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 109 109 $140
36415 Insertion of needle into vein for collection of blood sample 77 67 $8
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 35 25 $26
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 34 34 $282
G0009 Administration of pneumococcal vaccine 34 34 $29
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 20 19 $16
73564 X-ray of knee, 4 or more views 18 14 $42
G0008 Administration of influenza virus vaccine 16 16 $29

In context: peer comparison

Among 14 peers in Brea Family Medicine Physician, average services per provider: 77. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 1 $23.87
Agios Pharmaceuticals, INC. 1 $16.53

By nature of payment

Food and Beverage
$24
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,113
Patients
870
Total drug cost
$151,332
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 485 139 $7,034
Levothyroxine Sodium Generic 361 91 $8,019
Amlodipine Besylate Generic 348 102 $3,032
Lisinopril Generic 232 68 $2,171
Losartan Potassium Generic 226 70 $3,038
Simvastatin Generic 226 64 $2,155
Tamsulosin Hcl Generic 194 55 $4,681
Rosuvastatin Calcium Generic 166 47 $8,750
Metformin Hcl Generic 165 46 $1,980
Hydrochlorothiazide Generic 164 48 $936

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Giglio's medical specialty?
Dr. Mark Giglio practices Family Medicine Physician in Brea, CA.
Where does Dr. Mark Giglio practice?
Dr. Mark Giglio practices at 955 W Imperial Hwy Ste 110, Brea, CA 92821. Office phone: 7144496900.
What is Dr. Mark Giglio's NPI?
Dr. Mark Giglio's National Provider Identifier (NPI) is 1134129182, issued by NPPES.
Does Dr. Mark Giglio accept Medicare assignment?
Yes. Dr. Mark Giglio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Giglio commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.