Urology · Brooklyn, NY
NPI
1174583686
Since 2006
Specialty
Urology
Code 208800000X
Group practices
3
Medicare group memberships
Hospitals
1
Hospital affiliations
One Brookdale Plaza, Men's Health - Suite 500
Brooklyn, NY, 11212
Phone (718) 240-8672
Groups this clinician bills Medicare through
Medicare paid, 2024
$26K
437 services
Medicare patients, 2024
219
Average age 72
Drug cost, 2024
$1.3M
2,181 prescriptions
Company payments, 2025
$318
From 3 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Frederick Greenstein was code 99213 (office e&m - established), 182 times for 118 patients. In total Frederick Greenstein billed 437 services in 26 codes, and Medicare paid $26K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-05-18.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Facility | 182 | 118 | $49.16 | $8,947 |
| 99221 Hospital E&M - Initial | Facility | 47 | 46 | $72.90 | $3,426 |
| 99214 Office E&M - Established | Facility | 34 | 27 | $82.73 | $2,813 |
| 99203 Office E&M - New | Facility | 19 | 19 | $63.01 | $1,197 |
| 99231 Hospital E&M - Subsequent | Facility | 19 | 13 | $44.00 | $836 |
| 99202 Office E&M - New | Facility | 18 | 18 | $36.48 | $657 |
| 52000 Cystourethroscopy | Facility | 16 | 16 | $63.36 | $1,014 |
By year: 2022 $26K for 400 services; 2023 $24K for 379 services; 2024 $26K for 437 services.
Medicare prescription drug claims, 2024
In 2024, the drug Frederick Greenstein prescribed most often to Medicare patients was Tamsulosin Hcl, with 742 prescriptions and refills. In total Frederick Greenstein wrote 2,181 Medicare prescriptions that cost $1.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Tamsulosin Hcl Generic | 742 | 1,735 | 279 | $11K |
| Myrbetriq Mirabegron | 304 | 395 | 66 | $170K |
| Oxybutynin Chloride Er Oxybutynin Chloride | 198 | 382 | 69 | $3,470 |
| Finasteride Generic | 197 | 493 | 75 | $2,336 |
| Ciprofloxacin Hcl Generic | 96 | 96 | 68 | $246 |
| Eligard Leuprolide Acetate | 76 | 228 | 34 | $95K |
| Bicalutamide Generic | 71 | 151 | 23 | $1,826 |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 57 | 57 | 44 | $171 |
| Orgovyx Relugolix | 45 | 45 | Under 11 | $124K |
| Nitrofurantoin Mono-Macro Nitrofurantoin Monohyd/M-Cryst | 45 | 53 | 31 | $424 |
| Xtandi Enzalutamide | 38 | 44 | Under 11 | $630K |
| Dutasteride Generic | 38 | 106 | 13 | $1,115 |
| Sildenafil Citrate Generic | 29 | 38 | 11 | $1,414 |
| Lupron Depot Leuprolide Acetate | 24 | 71 | Under 11 | $145K |
| Terazosin Hcl Generic | 17 | 46 | Under 11 | $197 |
Brand drugs: - claims; generic drugs: 1,655 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Frederick Greenstein $318 ($318 in general payments such as food, travel and fees) from 3 companies. The largest payer was Astellas Pharma US Inc with $202.
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.