William Bader, M.D.
Internal Medicine Physician · Carnegie, PA
William Bader, M.D. is an internal medicine physician with a practice address in Carnegie, Pennsylvania, and NPI 1871563411, issued on Jan 25, 2006. Check the license (Pennsylvania MD-018581E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William Bader
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD-018581E PA
Self-reported in NPPES; status is on the state search - Practice location
- 102 Broadway St Ste 100, Carnegie, PA 15106
- Phone
- (412) 279-0320
- Enumerated
- Jan 25, 2006
- Record last updated
- Nov 1, 2023
- Fax
- (412) 279-8703
- Medicaid ID
- 0009406870002 PA
- Medicare enrollment
- Enrolled (PECOS I20101202001010); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1975
- Entity
- Type 1 · individual
Verify William Bader in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD-018581ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,627 Medicare Part D claims for 372 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 345 claims were for opioids.
Most prescribed
- Atorvastatin Calcium473 claims
- Levothyroxine Sodium316 claims
- Lisinopril300 claims
- Gabapentin246 claims
- Amlodipine Besylate218 claims
- Metformin Hcl192 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.
Industry payments in 2024: $965.65
54 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Preferred Primary Care Physicians, Inc.Carnegie, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
5 internal medicine physician records list a practice address in Carnegie
They are 5 of the 200 NPPES records with a practice address in Carnegie, and 7,300 internal medicine physician records in Pennsylvania.
All 5 in Carnegie → All 7,300 in Pennsylvania → Every provider in Carnegie →
Other internal medicine physician records in Pennsylvania
- Saira Aamir, MDYork, PA1184515686
- John Aaron, MDWest Grove, PA1427094531
- Todd Aaron, MDPhiladelphia, PA1457350522
- Joseph Abalos, M.D.Seneca, PA1215128434
- Mubasher Abbas, MDYork, PA1578978425
- Nicholas AbbottFarrell, PA1639525678
- Sara Abbruzzi, D.O.Philadelphia, PA1689686313
- Ahmad Abdalla, MDPhiladelphia, PA1730981127
- Tori Abdalla, DOPhiladelphia, PA1942091699
- Hany Abdel, D.O.Plymouth Meeting, PA1164467262
Common questions
What is William Bader, M.D.'s NPI number?
William Bader, M.D.'s National Provider Identifier (NPI) is 1871563411, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Bader, M.D. located?
The NPPES record lists a practice address at 102 Broadway St Ste 100, Carnegie, PA, 15106. Phone: (412) 279-0320. Providers update this record themselves, so call before visiting.
How can I verify William Bader, M.D.'s license?
NPPES lists Pennsylvania license number MD-018581E, 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 Bader, M.D. prescribe under Medicare Part D?
In 2024, William Bader, M.D. had 7,627 Medicare Part D claims for 372 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.