Zachary Hamilton, M.D.
NPI 1962727875 · Urology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Hamilton, M.D. is a Urology Physician provider in Saint Louis, MO (NPI 1962727875).
Provider details
- NPI number
- 1962727875
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2017002244 (MO)
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
16 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
284 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 80 | $64 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 | $95 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 32 | $77 |
| Imaging of Urinary Tract Following Injection of a Contrast Agent74420 | 20 | $24 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 20 | $141 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 299 | 83 |
| Finasteride | 72 | 21 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 53 | 19 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 41 | 12 |
| Ciprofloxacin Hcl | 29 | 28 |
| Mirabegronbrand: Myrbetriq | 20 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,945 across 30 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)
- 6400 Clayton Rd Ste 201Saint Louis, MO 63117-1850Phone: (314) 977-4440Fax: (314) 977-1642
Registry dates
- Enumerated
- 2010-04-02
- Last updated
- 2021-02-02
- Certified
- 2021-01-14
Frequently asked questions
- What is Zachary Hamilton's NPI number?
- Zachary Hamilton's National Provider Identifier (NPI) is 1962727875, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Hamilton's specialty?
- Zachary Hamilton is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Hamilton located?
- Zachary Hamilton's practice location on file with NPPES is 3655 Vista Ave, Saint Louis, MO 63110-2539.
- What is Zachary Hamilton's phone number?
- The practice phone number listed in the NPPES registry for Zachary Hamilton is (314) 977-4440.
- Does Zachary Hamilton accept Medicare?
- Zachary Hamilton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Hamilton's NPI active?
- Yes — Zachary Hamilton's NPI (1962727875) is active in the NPPES registry as of the last update on 2021-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.