Clinton Williams, MD
NPI 1508847856 · Family Medicine Physician · Huntsville, AL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clinton Williams, MD is a Family Medicine Physician provider in Huntsville, AL (NPI 1508847856).
Provider details
- NPI number
- 1508847856
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 21249 (AL)
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
20 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
1,616 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 | 375 | $113 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 274 | $80 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 119 | $159 |
| Face-To-Face Behavioral Counseling for Obesity, 15 MinutesG0447 | 110 | $21 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 95 | $12 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 119 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 333 | 94 |
| Lisinopril | 303 | 90 |
| Amlodipine Besylate | 241 | 69 |
| Hydrochlorothiazide | 228 | 68 |
| Levothyroxine Sodium | 216 | 59 |
| Rosuvastatin Calcium | 204 | 63 |
| Meloxicam | 199 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,186 across 69 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
- 2005-11-11
- Last updated
- 2010-02-02
Frequently asked questions
- What is Clinton Williams's NPI number?
- Clinton Williams's National Provider Identifier (NPI) is 1508847856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clinton Williams's specialty?
- Clinton Williams is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Clinton Williams located?
- Clinton Williams's practice location on file with NPPES is 420 Lowell Dr Se, Huntsville, AL 35801-3754.
- What is Clinton Williams's phone number?
- The practice phone number listed in the NPPES registry for Clinton Williams is (256) 535-5940.
- Does Clinton Williams accept Medicare?
- Clinton Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clinton Williams's NPI active?
- Yes — Clinton Williams's NPI (1508847856) is active in the NPPES registry as of the last update on 2010-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.