Doctor profile · Federal record

Dr. Randy Fiorentino, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Orange, CA

  • NPI 1558440131
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1310 W Stewart Dr, Suite 305
Orange, CA 928683854
(714) 538-7699
fax (714) 997-1098

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
October 22, 2021
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #G083405

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558440131. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
54
Distinct HCPCS
3
Medicare allowed
$4,796
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 21 21 $43
99213 Established patient office or other outpatient visit, 20-29 minutes 17 16 $98
99214 Established patient office or other outpatient visit, 30-39 minutes 16 15 $139

In context: peer comparison

Among 6 peers in Orange Obstetrics & Gynecology Physician, average services per provider: 19. This provider delivers 2.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
90
Patients
15
Total drug cost
$18,829
Drug Type Claims Patients Total cost
Estradiol Generic 45 15 $1,667
Premarin (Estrogens, Conjugated) Brand 25 0 $14,527
Raloxifene Hcl Generic 20 0 $2,634

Frequently asked questions

Auto-generated from federal data
What is Dr. Randy Fiorentino's medical specialty?
Dr. Randy Fiorentino practices Obstetrics & Gynecology Physician in Orange, CA.
Where does Dr. Randy Fiorentino practice?
Dr. Randy Fiorentino practices at 1310 W Stewart Dr, Orange, CA 928683854. Office phone: 7145387699.
What is Dr. Randy Fiorentino's NPI?
Dr. Randy Fiorentino's National Provider Identifier (NPI) is 1558440131, issued by NPPES.
Does Dr. Randy Fiorentino accept Medicare assignment?
Yes. Dr. Randy Fiorentino accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Randy Fiorentino commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.