Justina Tam, M.D.
NPI 1073932521 · Urogynecology and Reconstructive Pelvic Surgery (Urology) Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justina Tam, M.D. is a Urogynecology and Reconstructive Pelvic Surgery (Urology) Physician provider in Stony Brook, NY (NPI 1073932521).
Provider details
- NPI number
- 1073932521
- Entity type
- Individual
- Primary specialty
- Urogynecology and Reconstructive Pelvic Surgery (Urology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- FE61076599 (WA)
Specialties & taxonomies
- Urogynecology and Reconstructive Pelvic Surgery (Urology) PhysicianPrimary2088F0040XLicense 318701 (NY)
Allopathic & Osteopathic Physicians
- Urogynecology and Reconstructive Pelvic Surgery (Urology) Physician2088F0040XLicense FE61076599 (WA)
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,913 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 469 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 423 | $151 |
| 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'SG2211 | 249 | $19 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 232 | $196 |
| Pelvic Exam99459 | 116 | $28 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Vibegronbrand: Gemtesa | 180 | 72 |
| Estradiol | 165 | 91 |
| Tamsulosin Hcl | 109 | 43 |
| Mirabegronbrand: Myrbetriq | 55 | 20 |
| Estradiolbrand: Yuvafem | 27 | 11 |
| Doxazosin Mesylate | 20 | — |
| Finasteride | 20 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,878 across 39 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-14
- Last updated
- 2022-08-12
- Certified
- 2022-08-12
Frequently asked questions
- What is Justina Tam's NPI number?
- Justina Tam's National Provider Identifier (NPI) is 1073932521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justina Tam's specialty?
- Justina Tam is listed in the NPPES registry with a primary specialty of Urogynecology and Reconstructive Pelvic Surgery (Urology) Physician (Allopathic & Osteopathic Physicians).
- Where is Justina Tam located?
- Justina Tam's practice location on file with NPPES is Stony Brook Urology, Stony Brook, NY 11794-0001.
- What is Justina Tam's phone number?
- The practice phone number listed in the NPPES registry for Justina Tam is (631) 444-6270.
- Does Justina Tam accept Medicare?
- Justina Tam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justina Tam's NPI active?
- Yes — Justina Tam's NPI (1073932521) is active in the NPPES registry as of the last update on 2022-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.