William Vonah, MD
NPI 1912993007 · Internal Medicine Physician · Carlisle, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Vonah, MD is a Internal Medicine Physician provider in Carlisle, PA (NPI 1912993007).
Provider details
- NPI number
- 1912993007
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD417700 (PA)
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
1,372 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 | 755 | $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 | 213 | $15 |
| Administration of Influenza Virus VaccineG0008 | 139 | $31 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 72 | $13 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 49 | $159 |
| Administration of Pneumococcal Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 158 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 539 | 145 |
| Rosuvastatin Calcium | 537 | 154 |
| Levothyroxine Sodium | 441 | 109 |
| Losartan Potassium | 385 | 102 |
| Amlodipine Besylate | 259 | 75 |
| Hydrochlorothiazide | 243 | 65 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-23
- Last updated
- 2022-12-16
- Certified
- 2022-12-16
Frequently asked questions
- What is William Vonah's NPI number?
- William Vonah's National Provider Identifier (NPI) is 1912993007, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Vonah's specialty?
- William Vonah is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Vonah located?
- William Vonah's practice location on file with NPPES is 220 Wilson St, Carlisle, PA 17013-3697.
- What is William Vonah's phone number?
- The practice phone number listed in the NPPES registry for William Vonah is (717) 249-1929.
- Does William Vonah accept Medicare?
- William Vonah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Vonah's NPI active?
- Yes — William Vonah's NPI (1912993007) is active in the NPPES registry as of the last update on 2022-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.