William John Costello, DMD
General Practice Dentistry · Philadelphia, PA
William John Costello, DMD is a general practice dentistry with a practice address in Philadelphia, Pennsylvania, and NPI 1417052556, issued on Sep 13, 2006. Check the license (Pennsylvania DS036827, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William John Costello
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- DS036827 PA
Self-reported in NPPES; status is on the state search - Practice location
- 7215 Passyunk Ave, Philadelphia, PA 19142
- Phone
- (215) 336-8478
- Enumerated
- Sep 13, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 4,612 in Pennsylvania → Look up another NPI →
Verify William John Costello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license DS036827Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average general practice dentistry in 2024
40 Medicare Part D claims for 26 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Penicillin V Potassium18 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.
William John Costello among 4,612 general practice dentistry records in Pennsylvania
William John Costello, DMD is one of 4,612 general practice dentistry records with a practice address in Pennsylvania. 63% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 76% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
551 general practice dentistry records list a practice address in Philadelphia
They are 551 of the 42,849 NPPES records with a practice address in Philadelphia, and 4,612 general practice dentistry records in Pennsylvania.
All 4,612 in Pennsylvania → Every provider in Philadelphia → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Ramsey Chew, DMDPhila, PA 191421386788974
- Tadele Demisse, DMDPhiladelphia, PA 191421942866280
- Esther Hong, DMDPhiladelphia, PA 191421740805993
- Briana Jones, DDSPhiladelphia, PA 191421396339693
- Joni Marcus, DMDPhila, PA 191421821011719
- Albert Mitchell, D.D.S.Philadelphia, PA 191421619039336
- Nirupama Yarenahalli, DDSPhiladelphia, PA 191421326695412
- Corey AnolikPhiladelphia, PA 191411073725495
Common questions
What is William John Costello, DMD's NPI number?
William John Costello, DMD's National Provider Identifier (NPI) is 1417052556, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William John Costello, DMD located?
The NPPES record lists a practice address at 7215 Passyunk Ave, Philadelphia, PA, 19142. Phone: (215) 336-8478. Providers update this record themselves, so call before visiting.
How can I verify William John Costello, DMD's license?
NPPES lists Pennsylvania license number DS036827, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does William John Costello, DMD prescribe under Medicare Part D?
In 2024, William John Costello, DMD had 40 Medicare Part D claims for 26 beneficiaries; the average among general practice dentistry prescribers was 83. 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.