Michael Scott Gazzaniga, MD
Urology Physician · Fullerton, CA
Michael Scott Gazzaniga, MD is a urology physician with a practice address in Fullerton, California, and NPI 1396858163, issued on Aug 16, 2006. Check the license (California A65760, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Scott Gazzaniga
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A65760 CA
Self-reported in NPPES; status is on the state search - Practice location
- 301 W Bastanchury RD #180, Fullerton, CA 92835
- Phone
- (714) 870-5970
- Enumerated
- Aug 16, 2006
- Record last updated
- Oct 15, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (714) 870-4792
- Medicaid ID
- 00A65700 CA
- Medicare enrollment
- Enrolled (PECOS I20100920000499); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Verify Michael Scott Gazzaniga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A65760Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average urology physician in 2024
3,436 Medicare Part D claims for 856 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Alfuzosin Hcl Er740 claims
- Tamsulosin Hcl578 claims
- Finasteride235 claims
- Dutasteride224 claims
- Oxybutynin Chloride Er224 claims
- Myrbetriq134 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $138.74
5 payments; by number, the most common kind was food and beverage; the largest payer was Teleflex LLC. The 9,340 providers of this specialty with any payment received $3,800.04 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.
Bills Medicare through one group practice
- Urological Medical Group OF North Orange CountyFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
Other urology physician records in California
- David Aaronson, MDOakland, CA1215053129
- Jason Abber, MDPanorama City, CA1356366926
- Marc Abboud, MDLos Alamitos, CA1265096531
- George AbdelsayedAnaheim, CA1568721843
- Garen AbediDowney, CA1285909051
- Jennifer Abidari, MDStanford, CA1811098197
- Sherif Aboseif, MDOxnard, CA1093882995
- Parwiz Abrahimi, M.D., PH.D.Los Angeles, CA1154857613
- Anthony Acquaviva, MDVallejo, CA1457439283
- Theodore Affue, M.D.El Centro, CA1386674000
Common questions
What is Michael Scott Gazzaniga, MD's NPI number?
Michael Scott Gazzaniga, MD's National Provider Identifier (NPI) is 1396858163, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Scott Gazzaniga, MD located?
The NPPES record lists a practice address at 301 W Bastanchury RD #180, Fullerton, CA, 92835. Phone: (714) 870-5970. Providers update this record themselves, so call before visiting.
How can I verify Michael Scott Gazzaniga, MD's license?
NPPES lists California license number A65760, 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 Michael Scott Gazzaniga, MD prescribe under Medicare Part D?
In 2024, Michael Scott Gazzaniga, MD had 3,436 Medicare Part D claims for 856 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Michael Scott Gazzaniga, MD's MIPS final score?
The 2023 MIPS final score is 73.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.