Ronald Williamson, MD
NPI 1659482826 · Family Medicine Physician · Detroit, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Williamson, MD is a Family Medicine Physician provider in Detroit, MI (NPI 1659482826).
Provider details
- NPI number
- 1659482826
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- RW046156 (MI)
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
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
160 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 | 33 | $126 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 32 | $5 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $88 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 18 | $19 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 17 | $129 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 171 | 49 |
| Amlodipine Besylate | 142 | 36 |
| Pravastatin Sodium | 106 | 30 |
| Metformin Hcl | 83 | 26 |
| Levothyroxine Sodium | 61 | 16 |
| Rosuvastatin Calcium | 58 | 16 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$221 across 17 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
- 2006-08-31
- Last updated
- 2018-01-22
Frequently asked questions
- What is Ronald Williamson's NPI number?
- Ronald Williamson's National Provider Identifier (NPI) is 1659482826, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Williamson's specialty?
- Ronald Williamson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Williamson located?
- Ronald Williamson's practice location on file with NPPES is 17130 Schaefer Hwy, Detroit, MI 48235-4131.
- What is Ronald Williamson's phone number?
- The practice phone number listed in the NPPES registry for Ronald Williamson is (313) 862-3104.
- Does Ronald Williamson accept Medicare?
- Ronald Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Williamson's NPI active?
- Yes — Ronald Williamson's NPI (1659482826) is active in the NPPES registry as of the last update on 2018-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.