Urology · Fullerton, CA
NPI
1396858163
Since 2006
Specialty
Urology
Code 208800000X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
301 W Bastanchury Rd #180
Fullerton, CA, 92835
Phone (714) 870-5970
Groups this clinician bills Medicare through
Medicare paid, 2024
$316K
3,825 services
Medicare patients, 2024
626
Average age 76
Drug cost, 2024
$332K
3,436 prescriptions
Company payments, 2025
$193
From 8 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Michael S Gazzaniga was code 99214 (office e&m - established), 557 times for 373 patients. In total Michael S Gazzaniga billed 3,825 services in 82 codes, and Medicare paid $316K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2012-10-15.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 557 | 373 | $98.70 | $55K |
| 99213 Office E&M - Established | Office | 305 | 212 | $68.84 | $21K |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 238 | 203 | $12.75 | $3,034 |
| 99204 Office E&M - New | Office | 127 | 127 | $123.88 | $16K |
| 51798 Ultrasound - Nonspecific | Office | 112 | 96 | $9.80 | $1,098 |
| 52000 Cystourethroscopy | Office | 111 | 94 | $207.63 | $23K |
| 81000 Clinical Chemistry | Office | 78 | 68 | $3.94 | $307 |
| A4648 Tissue marker, implantable, any type, each | Office | 76 | 18 | $115.02 | $8,742 |
| 93976 Duplex Scan - Extremity Arteries | Office | 70 | 69 | $122.23 | $8,556 |
| 99212 Office E&M - Established | Office | 68 | 42 | $44.33 | $3,015 |
| 51741 Test - Miscellaneous | Office | 50 | 50 | $5.88 | $294 |
| 76775 Ultrasound - Abdomen and Pelvis | Office | 50 | 49 | $52.85 | $2,642 |
| 51784 Neurologic | Office | 44 | 44 | $27.35 | $1,203 |
| 51728 Other Organ Systems | Office | 43 | 43 | $306.03 | $13K |
| 51797 Other Organ Systems | Office | 43 | 43 | $167.99 | $7,224 |
By year: 2022 $320K for 4,730 services; 2023 $290K for 3,814 services; 2024 $316K for 3,825 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 81000 Clinical Chemistry | 78 | 68 | $3.94 | $307 |
Medicare prescription drug claims, 2024
In 2024, the drug Michael S Gazzaniga prescribed most often to Medicare patients was Alfuzosin Hcl Er (Alfuzosin Hcl), with 740 prescriptions and refills. In total Michael S Gazzaniga wrote 3,436 Medicare prescriptions that cost $332K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Alfuzosin Hcl Er Alfuzosin Hcl | 740 | 1,922 | 273 | $18K |
| Tamsulosin Hcl Generic | 578 | 1,571 | 199 | $10K |
| Finasteride Generic | 235 | 679 | 72 | $4,097 |
| Dutasteride Generic | 224 | 660 | 88 | $8,958 |
| Oxybutynin Chloride Er Oxybutynin Chloride | 224 | 574 | 90 | $4,849 |
| Myrbetriq Mirabegron | 134 | 262 | 45 | $114K |
| Desmopressin Acetate Generic | 130 | 312 | 54 | $9,727 |
| Solifenacin Succinate Generic | 93 | 249 | 28 | $5,003 |
| Sildenafil Citrate Generic | 76 | 91 | 25 | $2,443 |
| Gemtesa Vibegron | 75 | 171 | 29 | $77K |
| Levofloxacin Generic | 75 | 75 | 62 | $219 |
| Cefpodoxime Proxetil Generic | 67 | 67 | 41 | $3,416 |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 65 | 65 | 52 | $193 |
| Testosterone Generic | 61 | 70 | 14 | $6,975 |
| Methenamine Hippurate Generic | 58 | 160 | 22 | $6,806 |
Brand drugs: - claims; generic drugs: 3,161 claims; opioid claims: 27.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Michael S Gazzaniga $193 ($193 in general payments such as food, travel and fees) from 8 companies. The largest payer was Sumitomo Pharma America, Inc. with $31.89.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.