Randy Paul Fiorentino, M.D.
Obstetrics & Gynecology Physician · Orange, CA
Randy Paul Fiorentino, M.D. is an obstetrics & gynecology physician with a practice address in Orange, California, and NPI 1558440131, issued on Nov 3, 2006. Check the license (California G083405, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Randy Paul Fiorentino
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G083405 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1310 W Stewart Dr, Orange, CA 92868
- Phone
- (714) 538-7699
- Enumerated
- Nov 3, 2006
- Record last updated
- Oct 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (714) 997-1098
- Medicare enrollment
- Enrolled (PECOS I20041230000776); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1310 W Stewart Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jane Abdelhadi, M.D.Internal Medicine Physician1124097100
- Allan Akerman, M.D.Obstetrics & Gynecology Physician1396714184
- Quincy Almond, M.D.Hospitalist Physician1578573697
- Afshin Aminian, M.D.Specialist1609805910
- Lars Anker, MDNeurological Surgery Physician1962548537
- Shawn Beck, M.D.Urology Physician1669661849
Verify Randy Paul Fiorentino in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G083405Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
145 Medicare Part D claims for 46 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Estradiol51 claims
- Premarin22 claims
- Raloxifene Hcl20 claims
- Progesterone13 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.
Bills Medicare through one group practice
- Providence Medical FoundationOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Randy Paul Fiorentino among 5,088 obstetrics & gynecology physician records in California
Randy Paul Fiorentino, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1993 · median 2004 among the 2,700 with a school on file
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Orange → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Allan Akerman, M.D.Orange, CA 928681396714184
- Donna Baick, M.D.Orange, CA 928681700898988
- Martin Feldman, M.D.Orange, CA 928681043289317
- Teresa Garcia, M.D.Orange, CA 928681841219243
- Peter Geddes, M.D.Orange, CA 928681730254988
- Marilee Hanson, MDOrange, CA 928681730185661
- Tabetha Harken, MD, MPHOrange, CA 928681821100983
- Myron Kanofsky, M.D.Orange, CA 928681083679377
Common questions
What is Randy Paul Fiorentino, M.D.'s NPI number?
Randy Paul Fiorentino, M.D.'s National Provider Identifier (NPI) is 1558440131, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Randy Paul Fiorentino, M.D. located?
The NPPES record lists a practice address at 1310 W Stewart Dr, Orange, CA, 92868. Phone: (714) 538-7699. Providers update this record themselves, so call before visiting.
How can I verify Randy Paul Fiorentino, M.D.'s license?
NPPES lists California license number G083405, as entered by the provider. 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 Randy Paul Fiorentino, M.D. prescribe under Medicare Part D?
In 2024, Randy Paul Fiorentino, M.D. had 145 Medicare Part D claims for 46 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.