Michael Siev, MD
NPI 1093161895 · Urology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Siev, MD is a Urology Physician provider in New Haven, CT (NPI 1093161895).
Provider details
- NPI number
- 1093161895
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 67241 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
892 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) |
|---|---|---|
| Automated Urinalysis Test81003 | 229 | $2 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 226 | $139 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 122 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 88 | $99 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 52 | $266 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 526 | 174 |
| Finasteride | 249 | 81 |
| Mirabegronbrand: Myrbetriq | 129 | 41 |
| Methenamine Hippurate | 83 | 20 |
| Cephalexin | 65 | 46 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 60 | 21 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 54 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,895 across 6 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
Additional practice locations (1)
- 130 Division StDerby, CT 06418-1326Phone: (203) 732-1330Fax: (203) 732-1332
Registry dates
- Enumerated
- 2016-05-11
- Last updated
- 2022-02-15
- Certified
- 2022-02-15
Frequently asked questions
- What is Michael Siev's NPI number?
- Michael Siev's National Provider Identifier (NPI) is 1093161895, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Siev's specialty?
- Michael Siev is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Siev located?
- Michael Siev's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Michael Siev's phone number?
- The practice phone number listed in the NPPES registry for Michael Siev is (203) 688-4242.
- Does Michael Siev accept Medicare?
- Michael Siev is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Siev's NPI active?
- Yes — Michael Siev's NPI (1093161895) is active in the NPPES registry as of the last update on 2022-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.