Dr. William R. Vonah, MD
- Medicare services, 2024
- 1,641
- Medicare patients, 2024
- 385
- Part D claims, 2024
- 11,047
- Hospital affiliations
- 5
- Industry payments
- $789
- Practice address
- 112 North Seventh Street, Chambersburg, PA 17201
- Practice phone
- Call (717) 267-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Vonah's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William R. Vonah is an internist in Chambersburg, Pennsylvania
Dr. Vonah practices at WellSpan Chambersburg Hospital in Chambersburg, Pennsylvania, part of WellSpan Health.
Dr. Vonah's NPI, 1912993007, was assigned on September 23, 2005. Dr. Vonah graduated from Jefferson Medical College of Thomas Jefferson University in 1998. Dr. Vonah holds Pennsylvania license MD417700.
- NPI
- 1912993007NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214997535
- NPI enumeration date
- September 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (717) 267-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William R. Vonah practices at WellSpan Chambersburg Hospital in Chambersburg, Pennsylvania
Dr. Vonah's primary practice is WellSpan Chambersburg Hospital, at 112 North Seventh Street, Chambersburg, PA 17201 in Franklin County. The practice phone is (717) 267-3000.
- WellSpan Chambersburg Hospital112 North Seventh Street, Chambersburg, PA 17201 · Franklin CountyPhone(717) 267-3000
Source: Dmand AI Affiliation Data
Dr. William R. Vonah is affiliated with 6 sites of care and 1 medical group
Dr. Vonah's primary practice is WellSpan Chambersburg Hospital in Chambersburg, Pennsylvania, part of WellSpan Health. Dr. Vonah is also affiliated with UPMC Harrisburg. The medical group on file is WellSpan Digestive Health. Dmand AI also links Dr. Vonah to 3 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William R. Vonah's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vonah practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| WellSpan Chambersburg Hospital | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across WellSpan Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William R. Vonah is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Vonah's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Vonah is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Vonah
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William R. Vonah billed Medicare for 1,641 services in 2024
CMS data shows 1,641 Medicare services from Dr. Vonah across 14 procedure codes in 2024, for 385 Medicare patients. Medicare paid $103,571 for them. Every service was in an office.
Dr. Vonah's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7902024: 8275%
- Other services
- 2023: 1652024: 416152%
- Tests and treatments
- 2023: 3012024: 34715%
- Drugs given in the office
- 2023: 582024: 5112%
- Lab and pathology
- 2023: 1952024: 0100%
- Surgery
- 2023: 502024: 0100%
Dr. Vonah compared with the Pennsylvania median for internists, 2024
- Dr. Vonah
- Pennsylvania median
- Medicare services
- 1,641vs 4173.9 times
- Medicare patients
- 385vs 1852.1 times
- Part D claims
- 10,348vs 22446.2 times
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Vonah's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Vonah?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Vonah and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William R. Vonah treated 385 Medicare patients in 2024, average age 77
CMS counts 385 Medicare patients who saw Dr. Vonah in 2024. The largest group is 75 to 84, with 162 patients. 75% of them have arthritis, and 75% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Vonah's median patient age at 75, with 62% women.
Dr. Vonah's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Vonah's Medicare patients by sex, 2024
- Women21857%
- Men16743%
Chronic conditions among Dr. Vonah's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease35%
- Anxiety33%
- Diabetes27%
- Osteoporosis25%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vonah's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William R. Vonah wrote 11,047 Medicare Part D claims in 2024
In 2024, Dr. Vonah wrote 11,047 Medicare Part D claims for 677 patients. 90% of them were for generic drugs. CMS names the drug for 10,348 of them, across 157 drugs with 11 or more claims each, at $812,277 in total drug cost. In 2023, CMS named 10,802 claims across 158 drugs.
Dr. Vonah's Part D claims by kind of drug, 2024
- Generic9,928 claims90%
- Brand-name1,075 claims10%
- Other44 claims0%
Dr. Vonah's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Vonah's Part D claims, 2024
- Opioids3%344 of 11,047 claims
- Antibiotics2%166 of 11,047 claims
- Antipsychotics, patients 65 and over0%19 of 11,047 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 10,8022024: 10,3484%
Drugs named by CMS: 157 in 2024, 158 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. William R. Vonah takes part in Medicare
Dr. Vonah accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. William R. Vonah received $789 in industry payments from 2016 to 2022
CMS Open Payments shows 55 general payments to Dr. Vonah from 25 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 97% of the total. Amgen Inc. paid the most, $72.
General payments to Dr. Vonah by program year, 2016 to 2022
General payments to Dr. Vonah by kind, 2016 to 2022
- Food and beverage$76897%
- Education$203%
Companies that paid Dr. Vonah the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William R. Vonah graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Vonah graduated from Jefferson Medical College of Thomas Jefferson University in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William R. Vonah's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William R. Vonah
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William R. Vonah's NPI number?
Dr. William R. Vonah's NPI number is 1912993007. It was assigned on September 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William R. Vonah?
Dr. William R. Vonah is an internist in Chambersburg, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. William R. Vonah practice?
Dr. Vonah practices at 112 North Seventh Street, Chambersburg, PA 17201. Dr. Vonah's primary practice is WellSpan Chambersburg Hospital in Chambersburg, Pennsylvania, part of WellSpan Health. Dmand AI also links Dr. Vonah to 3 hospitals and 1 group practice or clinic.
What is Dr. William R. Vonah's office phone number?
The practice phone on file for Dr. Vonah is (717) 267-3000.
What is Dr. William R. Vonah's medical license number?
Dr. Vonah holds Pennsylvania license MD417700.
Which hospitals is Dr. William R. Vonah affiliated with?
Dr. Vonah practices at WellSpan Chambersburg Hospital in Chambersburg, Pennsylvania. Dr. Vonah is also affiliated with UPMC Harrisburg. Dmand AI links Dr. Vonah to 3 more hospitals.
What medical group is Dr. William R. Vonah part of?
Dr. Vonah is linked to WellSpan Digestive Health.
Does Dr. William R. Vonah accept Medicare?
Yes. CMS data shows Dr. Vonah billed Medicare for 1,641 services in 2024, and Dr. Vonah accepts Medicare assignment.
How many Medicare patients does Dr. William R. Vonah see?
CMS counts 385 Medicare patients who saw Dr. Vonah in 2024, with an average age of 77.
What services does Dr. William R. Vonah bill to Medicare?
In 2024, Dr. Vonah's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0008).
Show 4 more questionsShow fewer questions
Where did Dr. William R. Vonah go to medical school?
Dr. Vonah graduated from Jefferson Medical College of Thomas Jefferson University in 1998.
What drugs does Dr. William R. Vonah prescribe most?
In 2024 Medicare Part D data, Dr. Vonah's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Levothyroxine Sodium.
Has Dr. William R. Vonah received payments from drug or device companies?
CMS Open Payments shows $789 in general payments to Dr. Vonah from 25 companies from 2016 to 2022. The largest total came from Amgen Inc.
How long has Dr. William R. Vonah been practicing?
Dr. Vonah graduated from medical school in 1998, 28 years ago.
Selling to internal medicine practices?
See internists in Pennsylvania by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card