Ronald Williams, M.D.
NPI 1740303742 · Urology Physician · Denison, TX
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Williams, M.D. is a Urology Physician provider in Denison, TX (NPI 1740303742).
Provider details
- NPI number
- 1740303742
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- Q6800 (TX)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,252 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) |
|---|---|---|
| Urinalysis, Manual Test81002 | 340 | $3 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 288 | $172 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 285 | $122 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 84 | $207 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 69 | $9 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 572 | 192 |
| Finasteride | 405 | 138 |
| Tolterodine Tartratebrand: Tolterodine Tartrate Er | 129 | 65 |
| Hydrochlorothiazide | 86 | 34 |
| Potassium Citratebrand: Potassium Citrate Er | 82 | 38 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 79 | 65 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$963 across 12 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)
- 400 Hospital DrSuite 208Corsicana, TX 75110-2489Phone: (903) 641-3848Fax: (903) 641-3847
Registry dates
- Enumerated
- 2007-04-06
- Last updated
- 2019-08-20
Frequently asked questions
- What is Ronald Williams's NPI number?
- Ronald Williams's National Provider Identifier (NPI) is 1740303742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Williams's specialty?
- Ronald Williams is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Williams located?
- Ronald Williams's practice location on file with NPPES is 5012 S US Highway 75 Ste 275, Denison, TX 75020-4632.
- What is Ronald Williams's phone number?
- The practice phone number listed in the NPPES registry for Ronald Williams is (903) 416-6550.
- Does Ronald Williams accept Medicare?
- Ronald Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Williams's NPI active?
- Yes — Ronald Williams's NPI (1740303742) is active in the NPPES registry as of the last update on 2019-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.