Doctor profile · Federal record

Dr. Justina Tam, M.D.

Female Pelvic Medicine and Reconstructive Surgery (Urology) Physician (CMS: Urology) · Female Pelvic Medicine and Reconstructive Surgery (Urology) Physician · Student in an Organized Health Care Education/Training Program · Stony Brook, NY

  • NPI 1073932521
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 12 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Stony Brook Urology, Hsc T-9 Room 040
Stony Brook, NY 117940001
(631) 444-6270
fax (631) 444-7620
Mailing address
Stony Brook Medicine - Department of Urology, Hsc Level 9 - Room 040
Stony Brook, NY 11794

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
August 12, 2022
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
2088F0040X — NUCC code
State licenses (2)
New York #318701 · Washington #FE61076599

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073932521. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,372
Distinct HCPCS
10
Medicare allowed
$167,953
HCPCS Description Services Patients Avg allowed
51798 Ultrasound measurement of bladder capacity after voiding 416 273 $13
99214 Established patient office or other outpatient visit, 30-39 minutes 347 209 $148
99204 New patient office or other outpatient visit, 45-59 minutes 256 256 $194
64566 Insertion of lower leg neurostimulator electrode 75 23 $141
99215 Established patient office or other outpatient visit, 40-54 minutes 69 61 $207
52000 Diagnostic exam of bladder and urethra using an endoscope 59 59 $266
99213 Established patient office or other outpatient visit, 20-29 minutes 33 29 $106
51741 Electronic assessment of bladder emptying 18 17 $11
51700 Simple bladder irrigation and/or instillation 17 13 $92
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 15 15 $199

In context: peer comparison

Among 1 peers in this city , average services per provider: 91. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,878
Transactions
39
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 26 $1,811.08
Boston Scientific Corporation 4 $393.39
Caldera Medical, Inc 5 $308.81
Axonics, Inc. 1 $161.51
ABBVIE INC. 1 $122.19
COLOPLAST CORP 1 $60.27
Sumitomo Pharma America, Inc. 1 $20.69

By nature of payment

Food and Beverage
$2,247
Travel and Lodging
$631

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
436
Patients
168
Total drug cost
$100,875
Drug Type Claims Patients Total cost
Estradiol Generic 137 68 $16,464
Tamsulosin Hcl Generic 111 47 $2,000
Gemtesa (Vibegron) Brand 99 34 $54,021
Myrbetriq (Mirabegron) Brand 46 19 $25,048
Alfuzosin Hcl Er (Alfuzosin Hcl) Brand 15 0 $766
Yuvafem (Estradiol) Brand 15 0 $2,469
Oxybutynin Chloride Er (Oxybutynin Chloride) Brand 13 0 $107

Frequently asked questions

Auto-generated from federal data
What is Dr. Justina Tam's medical specialty?
Dr. Justina Tam practices Female Pelvic Medicine and Reconstructive Surgery (Urology) Physician in Stony Brook, NY.
Where does Dr. Justina Tam practice?
Dr. Justina Tam practices at Stony Brook Urology, Stony Brook, NY 117940001. Office phone: 6314446270.
What is Dr. Justina Tam's NPI?
Dr. Justina Tam's National Provider Identifier (NPI) is 1073932521, issued by NPPES.
Does Dr. Justina Tam accept Medicare assignment?
Yes. Dr. Justina Tam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justina Tam commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound measurement of bladder capacity after voiding (HCPCS 51798); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.