Gregory Horwitz, M.D.
NPI 1689798613 · Urology Physician · North Kansas City, MO
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Horwitz, M.D. is a Urology Physician provider in North Kansas City, MO (NPI 1689798613).
Provider details
- NPI number
- 1689798613
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 33000 (KS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
3,495 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 605 | $126 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 508 | $11 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 356 | $62 |
| 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 | 338 | $16 |
| Automated Urinalysis Test81003 | 297 | $2 |
| Insertion of Needle Into Vein for Collection of Blood Sample |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 784 | 237 |
| Mirabegronbrand: Myrbetriq | 248 | 38 |
| Dutasteride | 224 | 65 |
| Solifenacin Succinate | 187 | 39 |
| Finasteride | 162 | 52 |
| Vibegronbrand: Gemtesa | 155 | 40 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 127 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$653 across 32 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
- 2007-03-16
- Last updated
- 2021-04-12
- Certified
- 2021-04-12
Frequently asked questions
- What is Gregory Horwitz's NPI number?
- Gregory Horwitz's National Provider Identifier (NPI) is 1689798613, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Horwitz's specialty?
- Gregory Horwitz is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Horwitz located?
- Gregory Horwitz's practice location on file with NPPES is 1950 Diamond Pkwy Ste 200, North Kansas City, MO 64116-4321.
- What is Gregory Horwitz's phone number?
- The practice phone number listed in the NPPES registry for Gregory Horwitz is (816) 842-6717.
- Does Gregory Horwitz accept Medicare?
- Gregory Horwitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Horwitz's NPI active?
- Yes — Gregory Horwitz's NPI (1689798613) is active in the NPPES registry as of the last update on 2021-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.