William J. Dennis, MD
Pediatrics Physician · Phila, PA
William J. Dennis, MD is a pediatrics physician with a practice address in Phila, Pennsylvania, and NPI 1356392211, issued on May 15, 2006. Check the license (Pennsylvania MD011421E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William J. Dennis
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- MD011421E PA
Self-reported in NPPES; status is on the state search - Practice location
- 3823 J St, Phila, PA 19124
- Phone
- (215) 288-0157
- Enumerated
- May 15, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (215) 288-4764
- Medicaid ID
- 00652930 PA
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 3,382 in Pennsylvania → Look up another NPI →
Verify William J. Dennis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD011421ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $180.08
1 payment: food and beverage; the largest payer was Supernus Pharmaceuticals, Inc. The 21,580 providers of this specialty with any payment received $842.05 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 J. Dennis among 3,382 pediatrics physician records in Pennsylvania
William J. Dennis, MD is one of 3,382 pediatrics physician records with a practice address in Pennsylvania. 25% 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, 58% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 pediatrics physician records list a practice address in Phila
They are 15 of the 820 NPPES records with a practice address in Phila, and 3,382 pediatrics physician records in Pennsylvania.
All 3,382 in Pennsylvania → Every provider in Phila → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Isabel Castillo Hernandez, MDPhiladelphia, PA 191241558881581
- Stewart Cooler, MDPhiladelphia, PA 191241497781587
- Urmila Gujrathi, M.D.Philadelphia, PA 191241912952789
- Shubha Narayan, MDPhila, PA 191241871502559
- Tisa Taylor, MDPhiladelphia, PA 191241447418561
- Scott Travor, MDPhila, PA 191241649210840
- Roy Hoffman, M.D.Philadelphia, PA 191231396935052
- Khudsiya Khan, M.D.Philadelphia, PA 191231629186069
Common questions
What is William J. Dennis, MD's NPI number?
William J. Dennis, MD's National Provider Identifier (NPI) is 1356392211, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William J. Dennis, MD located?
The NPPES record lists a practice address at 3823 J St, Phila, PA, 19124. Phone: (215) 288-0157. Providers update this record themselves, so call before visiting.
How can I verify William J. Dennis, MD's license?
NPPES lists Pennsylvania license number MD011421E, 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.
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.