Ralph Williams, M.D.
NPI 1396942454 · Family Medicine Physician · Southfield, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ralph Williams, M.D. is a Family Medicine Physician provider in Southfield, MI (NPI 1396942454).
Provider details
- NPI number
- 1396942454
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301090759 (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
18 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
395 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 | 144 | $128 |
| 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 | 103 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 43 | $8 |
| Assessment of Emotional Or Behavioral Problems96127 | 33 | $5 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 26 | $18 |
| Advance Care Planning, First 30 Minutes99497 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 183 | 49 |
| Amlodipine Besylate | 161 | 49 |
| Losartan Potassium | 131 | 43 |
| Rosuvastatin Calcium | 122 | 33 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 101 | 35 |
| Metoprolol Succinate | 90 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$615 across 14 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
- 2007-06-29
- Last updated
- 2023-07-10
- Certified
- 2023-07-10
Frequently asked questions
- What is Ralph Williams's NPI number?
- Ralph Williams's National Provider Identifier (NPI) is 1396942454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Williams's specialty?
- Ralph Williams is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ralph Williams located?
- Ralph Williams's practice location on file with NPPES is 24777 Greenfield Rd Ste 202, Southfield, MI 48075-3065.
- What is Ralph Williams's phone number?
- The practice phone number listed in the NPPES registry for Ralph Williams is (248) 554-1313.
- Does Ralph Williams accept Medicare?
- Ralph Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ralph Williams's NPI active?
- Yes — Ralph Williams's NPI (1396942454) is active in the NPPES registry as of the last update on 2023-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.