Hennessy Williams
NPI 1427292747 · Internal Medicine Physician · Birmingham, AL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hennessy Williams is a Internal Medicine Physician provider in Birmingham, AL (NPI 1427292747).
Provider details
- NPI number
- 1427292747
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 30630 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
691 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 304 | $115 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 163 | $117 |
| 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 | 123 | $15 |
| Administration of Influenza Virus VaccineG0008 | 47 | $28 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $81 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 590 | 195 |
| Amlodipine Besylate | 341 | 107 |
| Levothyroxine Sodium | 252 | 73 |
| Lisinopril | 247 | 74 |
| Omeprazole | 219 | 70 |
| Losartan Potassium | 206 | 66 |
| Hydrochlorothiazide |
Practice location
Mailing address
Additional practice locations (1)
- 1141 Payton WayLeeds, AL 35094-1116Phone: (205) 699-0729
Registry dates
- Enumerated
- 2009-04-30
- Last updated
- 2023-06-29
Frequently asked questions
- What is Hennessy Williams's NPI number?
- Hennessy Williams's National Provider Identifier (NPI) is 1427292747, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hennessy Williams's specialty?
- Hennessy Williams is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hennessy Williams located?
- Hennessy Williams's practice location on file with NPPES is 1717 6th Ave S, Birmingham, AL 35233-1801.
- What is Hennessy Williams's phone number?
- The practice phone number listed in the NPPES registry for Hennessy Williams is (800) 822-8816.
- Does Hennessy Williams accept Medicare?
- Hennessy Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hennessy Williams's NPI active?
- Yes — Hennessy Williams's NPI (1427292747) is active in the NPPES registry as of the last update on 2023-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.