William R. Vonah, MD
Internal Medicine Physician · Carlisle, PA
William R. Vonah, MD is an internal medicine physician with a practice address in Carlisle, Pennsylvania, and NPI 1912993007, issued on Sep 23, 2005. Check the license (Pennsylvania MD417700, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William R. Vonah
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD417700 PA
Self-reported in NPPES; status is on the state search - Practice location
- 220 Wilson St, Carlisle, PA 17013
- Phone
- (717) 249-1929
- Enumerated
- Sep 23, 2005
- Record last updated
- Dec 16, 2022
- Fax
- (717) 249-9332
- Medicaid ID
- 0018903560001 PA
- Medicare enrollment
- Enrolled (PECOS I20041012000891); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1998
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 220 Wilson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christopher BeroInternal Medicine Physician1659366235
- Douglas Bower, MDInternal Medicine Physician1376539858
- Michael Demichele, MDInternal Medicine Physician1376534776
- Elizabeth Frantz, M.S. CCC-SLPSpeech-Language Pathologist1912112988
- Mohammad Ismail, MDSpecialist1821052812
Verify William R. Vonah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD417700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average internal medicine physician in 2024
11,047 Medicare Part D claims for 677 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 344 claims were for opioids.
Most prescribed
- Atorvastatin Calcium539 claims
- Rosuvastatin Calcium537 claims
- Levothyroxine Sodium441 claims
- Losartan Potassium385 claims
- Amlodipine Besylate259 claims
- Hydrochlorothiazide243 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Wellspan Medical GroupCarlisle, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William R. Vonah among 7,300 internal medicine physician records in Pennsylvania
William R. Vonah, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1998 · median 2008 among the 4,208 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Carlisle
They are 25 of the 1,047 NPPES records with a practice address in Carlisle, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Carlisle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Abdul Akbaryeh, MDCarlisle, PA 170131164005849
- Christopher BeroCarlisle, PA 170131659366235
- Douglas Bower, MDCarlisle, PA 170131376539858
- Joseph Brazel, M.D.Carlisle, PA 170131336388875
- Frank Castrina, M.D.Carlisle, PA 170131558482265
- Michael Demichele, MDCarlisle, PA 170131376534776
- Shazia Kanwal, MDCarlisle, PA 170131467182303
- Nicholas Kitsopoulos, D.O.Carlisle, PA 170131508128455
Common questions
What is William R. Vonah, MD's NPI number?
William R. Vonah, MD's National Provider Identifier (NPI) is 1912993007, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William R. Vonah, MD located?
The NPPES record lists a practice address at 220 Wilson St, Carlisle, PA, 17013. Phone: (717) 249-1929. Providers update this record themselves, so call before visiting.
How can I verify William R. Vonah, MD's license?
NPPES lists Pennsylvania license number MD417700, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William R. Vonah, MD prescribe under Medicare Part D?
In 2024, William R. Vonah, MD had 11,047 Medicare Part D claims for 677 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.