William Francis Bilski, D. O.
Family Medicine Physician · Newark, DE
William Francis Bilski, D. O. is a family medicine physician with a practice address in Newark, Delaware, and NPI 1619922598, issued on May 22, 2006. Check the license (Delaware C20003381, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- William Francis Bilski
- Credential
- D. O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C20003381 DE
Self-reported in NPPES; status is on the state search - Practice location
- 2 Polly Drummond Hill RD, Newark, DE 19711
- Phone
- (302) 368-3600
- Enumerated
- May 22, 2006
- Record last updated
- Nov 14, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (302) 368-6099
- Medicaid ID
- 000255903 DE
- Medicare enrollment
- Enrolled (PECOS I20090227000490); may accept Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1988
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 518 in Delaware → Look up another NPI →
Verify William Francis Bilski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C20003381Check 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% more Medicare Part D claims than the average family medicine physician in 2024
3,625 Medicare Part D claims for 284 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 244 claims were for opioids.
Most prescribed
- Atorvastatin Calcium153 claims
- Alprazolam141 claims
- Amlodipine Besylate131 claims
- Levothyroxine Sodium124 claims
- Omeprazole120 claims
- Losartan Potassium98 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: $455.94
14 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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 Francis Bilski among 518 family medicine physician records in Delaware
William Francis Bilski, D. O. is one of 518 family medicine physician records with a practice address in Delaware. 80% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1988 · median 2002 among the 323 with a school on file
- Record last updated2012 · 53% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
84 family medicine physician records list a practice address in Newark
They are 84 of the 4,662 NPPES records with a practice address in Newark, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Newark → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gary Beste, MDNewark, DE 197111588683619
- Beth Bilski, DONewark, DE 197111750328076
- Mark Glassner, MDNewark, DE 197111396746293
- Christine Horah, D.O.Newark, DE 197111760484018
- Judy Lim, MDNewark, DE 197111083667208
- Narinder Singh, MDNewark, DE 197111689666588
- Sameh Basta, M.DMiddletown, DE 197091922414978
- Robert Callahan, MDNewark, DE 197131962491779
Common questions
What is William Francis Bilski, D. O.'s NPI number?
William Francis Bilski, D. O.'s National Provider Identifier (NPI) is 1619922598, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Francis Bilski, D. O. located?
The NPPES record lists a practice address at 2 Polly Drummond Hill RD, Newark, DE, 19711. Phone: (302) 368-3600. Providers update this record themselves, so call before visiting.
How can I verify William Francis Bilski, D. O.'s license?
NPPES lists Delaware license number C20003381, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Francis Bilski, D. O. prescribe under Medicare Part D?
In 2024, William Francis Bilski, D. O. had 3,625 Medicare Part D claims for 284 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.