William M. Houston, MD
Pediatrics Physician · Wilmington, DE
William M. Houston, MD is a pediatrics physician with a practice address in Wilmington, Delaware, and NPI 1609967942, issued on Sep 28, 2006. Check the license (Delaware C10003975, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- William M. Houston
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- C10003975 DE
Self-reported in NPPES; status is on the state search - Practice location
- Nemours Pediatrics Philadelphia Pike, Wilmington, DE 19809
- Phone
- (302) 761-4660
- Enumerated
- Sep 28, 2006
- Record last updated
- Sep 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (302) 761-4666
- Medicaid IDs
- 1035646 PA
5485509 NJ
1991515 MD
6701205 VA - Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 290 in Delaware → Look up another NPI →
Also registered at Nemours Pediatrics Philadelphia Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Henderson, MDGeneral Practice Physician1134210511
- Henrietta Mahoney, MDGeneral Practice Physician1003907411
Verify William M. Houston 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 C10003975Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average pediatrics physician in 2024
52 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.
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 M. Houston among 290 pediatrics physician records in Delaware
William M. Houston, MD is one of 290 pediatrics physician records with a practice address in Delaware. 35% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 35% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2011 · 63% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
175 pediatrics physician records list a practice address in Wilmington
They are 175 of the 6,291 NPPES records with a practice address in Wilmington, and 290 pediatrics physician records in Delaware.
All 290 in Delaware → Every provider in Wilmington → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Alexis Souleles, DOWilmington, DE 198091215069760
- Ilene Boudreaux, M.D.Wilmington, DE 198101568473486
- Kate Chaplinski, MDWilmington, DE 198101467515114
- Joseph Disanto, M.D.Wilmington, DE 198101538274402
- Jerald Eng, M.D.Wilmington, DE 198101801807706
- Judith Feick, M.D.Wilmington, DE 198081891750246
- Darren Franczyk, M.D.Wilmington, DE 198101275532939
- John Gould, M.D.Wilmington, DE 198101770698631
Common questions
What is William M. Houston, MD's NPI number?
William M. Houston, MD's National Provider Identifier (NPI) is 1609967942, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William M. Houston, MD located?
The NPPES record lists a practice address at Nemours Pediatrics Philadelphia Pike, Wilmington, DE, 19809. Phone: (302) 761-4660. Providers update this record themselves, so call before visiting.
How can I verify William M. Houston, MD's license?
NPPES lists Delaware license number C10003975, 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 M. Houston, MD prescribe under Medicare Part D?
In 2024, William M. Houston, MD had 52 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.