William Robert Sonnenberg, MD
Family Medicine Physician · Titusville, PA
William Robert Sonnenberg, MD is a family medicine physician with a practice address in Titusville, Pennsylvania, and NPI 1932173366, issued on Feb 14, 2006. Check the license (Pennsylvania MD025681E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William Robert Sonnenberg
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD025681E PA
Self-reported in NPPES; status is on the state search - Practice location
- 119 East Mechanic Street, Titusville, PA 16354
- Phone
- (814) 827-4665
- Enumerated
- Feb 14, 2006
- Record last updated
- Jun 17, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (814) 827-4667
- Medicaid ID
- 0008981900003 PA
- Medicare enrollment
- Enrolled (PECOS I20050127000395); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 119 East Mechanic Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Young Fan, M.D.Specialist1447471487
Verify William Robert Sonnenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD025681ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.1 times the Medicare Part D claims of the average family medicine physician in 2024
21,573 Medicare Part D claims for 688 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 628 claims were for opioids.
Most prescribed
- Atorvastatin Calcium884 claims
- Levothyroxine Sodium787 claims
- Gabapentin633 claims
- Furosemide631 claims
- Eliquis570 claims
- Sertraline Hcl510 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: $545.05
18 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 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.
William Robert Sonnenberg among 7,483 family medicine physician records in Pennsylvania
William Robert Sonnenberg, MD is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1980 · median 2005 among the 4,529 with a school on file
- Record last updated2008 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 family medicine physician records list a practice address in Titusville
They are 7 of the 112 NPPES records with a practice address in Titusville, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Titusville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Rose Colt, D.O.Titusville, PA 163541881008134
- Arthur Lewis, MDTitusville, PA 163541073730487
- Brian Los, MDTitusville, PA 163541497747588
- Christopher MacdonaldTitusville, PA 163541104858869
- Marie Matthews, MDTitusville, PA 163541962583716
- Richard Whalen, MDTitusville, PA 163541043202138
- Curtis Helgert, DOTownville, PA 163601073506515
- Norman Beals, M.D.Seneca, PA 163461225008188
Common questions
What is William Robert Sonnenberg, MD's NPI number?
William Robert Sonnenberg, MD's National Provider Identifier (NPI) is 1932173366, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Robert Sonnenberg, MD located?
The NPPES record lists a practice address at 119 East Mechanic Street, Titusville, PA, 16354. Phone: (814) 827-4665. Providers update this record themselves, so call before visiting.
How can I verify William Robert Sonnenberg, MD's license?
NPPES lists Pennsylvania license number MD025681E, 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 Robert Sonnenberg, MD prescribe under Medicare Part D?
In 2024, William Robert Sonnenberg, MD had 21,573 Medicare Part D claims for 688 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.