William Wahl, MD
NPI 1447236559 · Internal Medicine Physician · Melbourne, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Wahl, MD is a Internal Medicine Physician provider in Melbourne, FL (NPI 1447236559).
Provider details
- NPI number
- 1447236559
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME87196 (FL)
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,378 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 | 733 | $124 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 285 | $127 |
| Anticoagulant Management of Patient Taking Warfarin93793 | 118 | $11 |
| Blood Test, Clotting Time85610 | 105 | $4 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 72 | $198 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 136 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 527 | 143 |
| Amlodipine Besylate | 503 | 157 |
| Omeprazole | 312 | 95 |
| Losartan Potassium | 311 | 94 |
| Simvastatin | 287 | 87 |
| Atorvastatin Calcium | 285 | 81 |
| Alprazolam | 269 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-20
- Last updated
- 2023-03-02
- Certified
- 2023-03-02
Frequently asked questions
- What is William Wahl's NPI number?
- William Wahl's National Provider Identifier (NPI) is 1447236559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Wahl's specialty?
- William Wahl is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Wahl located?
- William Wahl's practice location on file with NPPES is 1223 Gateway Dr Ste 1c, Melbourne, FL 32901-2607.
- What is William Wahl's phone number?
- The practice phone number listed in the NPPES registry for William Wahl is (321) 312-3454.
- Does William Wahl accept Medicare?
- William Wahl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Wahl's NPI active?
- Yes — William Wahl's NPI (1447236559) is active in the NPPES registry as of the last update on 2023-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.