Doctor profile · Federal record
Dr. Mark Irwin, M.D.
Urology Physician (CMS: Urology) · Brooklyn, NY
- NPI 1508860263
- Accepts Medicare
- 44 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
359 Clinton St
Brooklyn, NY 112313701
(646) 460-1479
fax (718) 875-7864
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- April 19, 2017
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 208800000X — NUCC code
- State license (1)
- New York #1685650
- Medicaid
- NY #01128523
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508860263. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,445
Distinct HCPCS
10
Medicare allowed
$109,871
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 255 | 82 | $105 | |
51798 |
Ultrasound measurement of bladder capacity after voiding | 232 | 115 | $13 | |
51741 |
Electronic assessment of bladder emptying | 231 | 114 | $17 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 154 | 29 | $86 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 153 | 66 | $147 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 151 | 91 | $148 | |
36415 |
Insertion of needle into vein for collection of blood sample | 143 | 78 | $8 | |
51702 |
Simple insertion of temporary bladder tube | 42 | 11 | $30 | |
76872 |
Ultrasound scan of pelvic region through rectum | 32 | 26 | $163 | |
99305 |
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 27 | 27 | $153 |
In context: peer comparison
Among 27 peers in this city , average services per provider: 165. This provider delivers 8.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
285
Patients
84
Total drug cost
$10,620
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 163 | 52 | $3,489 |
| Finasteride | Generic | 61 | 20 | $1,065 |
| Dutasteride | Generic | 38 | 12 | $1,865 |
| Ciprofloxacin Hcl | Generic | 12 | 0 | $71 |
| Silodosin | Generic | 11 | 0 | $4,129 |
Frequently asked questions
What is Dr. Mark Irwin's medical specialty?
Dr. Mark Irwin practices Urology Physician in Brooklyn, NY.
Where does Dr. Mark Irwin practice?
Dr. Mark Irwin practices at 359 Clinton St, Brooklyn, NY 112313701. Office phone: 6464601479.
What is Dr. Mark Irwin's NPI?
Dr. Mark Irwin's National Provider Identifier (NPI) is 1508860263, issued by NPPES.
Does Dr. Mark Irwin accept Medicare assignment?
Yes. Dr. Mark Irwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Irwin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Ultrasound measurement of bladder capacity after voiding (HCPCS 51798); Electronic assessment of bladder emptying (HCPCS 51741). Source: CMS Medicare Physician & Other Practitioners file.