ZACHARY ADAM HAMILTON (M.D.) – Urology Physician, NPI 1962727875
Urology Physician
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Profile Insights
NPPES metrics only — not quality of care.
271 UROLOGY in MO
Provider Addresses for ZACHARY ADAM HAMILTON (M.D.)
6400 Clayton Rd Ste 201
Saint Louis, MO 631171850
Phone: (314) 977-4440
Fax: (314) 977-1642
Type: Location
1008 S. SPRING AVE
SLU ACADEMIC PAVILION
ST. LOUIS, MO 63110
Phone: (314) 977-3470
Fax: (314) 977-1642
Type: Mailing
Vista Avenue, Gate District, City of Saint Louis, Missouri, 63108-3314, United States
SAINT LOUIS, MO 631102539
Phone: (314) 577-8790
Fax: (314) 268-5183
Type: Mailing
Saint Louis University Hospital West Pavillion, 3655, Vista Avenue, Tiffany, City of Saint Louis, Missouri, 63110, United States
SAINT LOUIS, MO 631102539
Phone: (314) 977-4440
Fax: (314) 977-1642
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 49 Open Payments records for all available years, with a total value of $3,354.
Total Amount is formed as General ($3,354) + Research ($0) + Ownership ($0) = $3,354.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($1,965).
Total Amount
$3,354
General + Research + Ownership
Payments
49
Total payment records
General Amount
$3,354
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $1,965 |
| Boston Scientific Corporation | $392 |
| Edwards Lifesciences Corporation | $147 |
| Calyxo, Inc. | $142 |
| PROCEPT BioRobotics Corporation | $122 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-07-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20170720000709 | I | Urology | MO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 83 | 79 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 56 | 54 | $0 |
| 52000 | Diagnostic exam of bladder and urethra using an endoscope | 31 | 30 | $0 |
| 74420 | Imaging of urinary tract following injection of a contrast agent | 21 | 16 | $0 |
| 81003 | Automated urinalysis test | 19 | 18 | $0 |
Insurance plans in this area (ZIP 63117)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Anesthesiology Assistant | MO | |
| Pediatric Medicine, Hematology/Oncology | TN | |
| Nurse Practitioner | IL | |
| Certified Registered Nurse Anesthetist (Crna) | MO | |
| Pediatric Medicine | IL | |
| G A S T R O E N T E R O L O G Y | WV | |
| Pediatric Medicine, Cardiovascular Disease (Cardiology) | MO | |
| Infectious Disease | OH | |
| Physician Assistant | MO | |
| Pediatric Medicine, Cardiovascular Disease (Cardiology) | MO |
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