William D. Piwnica-Worms, MD
Student in an Organized Health Care Education/Training Program · Philadelphia, PA
William D. Piwnica-Worms, MD is a student in an organized health care education/training program with a practice address in Philadelphia, Pennsylvania, and NPI 1295354975, issued on Apr 13, 2020. Check the license with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William D. Piwnica-Worms
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 808 S Warnock St Apt A, Philadelphia, PA 19147
- Phone
- (314) 550-5223
- Enumerated
- Apr 13, 2020
- Record last updated
- Apr 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 12,792 in Pennsylvania → Look up another NPI →
Verify William D. Piwnica-Worms in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
21 Medicare Part D claims for 15 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 12 claims were for opioids.
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: $312.36
3 payments; by number, the most common kind was food and beverage; the largest payer was Galderma Laboratories, L.P. The 13,278 providers of this specialty with any payment received $608.08 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 D. Piwnica-Worms among 12,792 student in an organized health care education/training program records in Pennsylvania
William D. Piwnica-Worms, MD is one of 12,792 student in an organized health care education/training program records with a practice address in Pennsylvania. 33% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 12% of them.
- NPI issued2020 · 12% of these records are older, 84% newer
- In a Medicare fileYes · 33% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2020 · 16% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4,387 student in an organized health care education/training program records list a practice address in Philadelphia
They are 4,387 of the 42,849 NPPES records with a practice address in Philadelphia, and 12,792 student in an organized health care education/training program records in Pennsylvania.
All 12,792 in Pennsylvania → Every provider in Philadelphia → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Karen AtisPhiladelphia, PA 191471194519488
- Christopher Attaway, MDPhiladelphia, PA 191471669969176
- Olivia FortiPhiladelphia, PA 191471417894361
- Jashanveer Johal, MDPhiladelphia, PA 191471417798752
- Alyssa MesiPhiladelphia, PA 191471841882719
- Michael MilekPhiladelphia, PA 191471629567326
- Thanh NguyenPhiladelphia, PA 191471518331487
- David Pastuna, DOPhiladelphia, PA 191471760176986
Common questions
What is William D. Piwnica-Worms, MD's NPI number?
William D. Piwnica-Worms, MD's National Provider Identifier (NPI) is 1295354975, issued on Apr 13, 2020. An NPI identifies a provider in billing; it is not a license.
Where is William D. Piwnica-Worms, MD located?
The NPPES record lists a practice address at 808 S Warnock St Apt A, Philadelphia, PA, 19147. Phone: (314) 550-5223. Providers update this record themselves, so call before visiting.
How can I verify William D. Piwnica-Worms, MD's license?
Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does William D. Piwnica-Worms, MD prescribe under Medicare Part D?
In 2024, William D. Piwnica-Worms, MD had 21 Medicare Part D claims for 15 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.