Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
W. JOHN SIAR, MD
ActiveW. JOHN SIAR, MD is a Neonatal-Perinatal Medicine healthcare provider located in DU BOIS, Pennsylvania. NPI 1639174055 is currently active in the NPPES registry. Verify at CMS.
Neonatal-Perinatal Medicine · DU BOIS, PA
Registration Details
- NPI Number
- 1639174055
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jun 14, 2005 (21.215238490767 yrs)
- Last Updated
- Sep 11, 2025
- Licenses
-
MD029080L (PA)MD029080L (PA)
Practice Information
- Address
-
635C MAPLE AVEDU BOIS, PA, 158012377Browse PA providers · Browse ZIP 15801
- Phone
- 8143711771
- Primary Specialty
-
Neonatal-Perinatal Medicine
2080N0001X
- Additional Specialty
- Neonatal-Perinatal Medicine
Other Neonatal-Perinatal Medicine Providers in DU BOIS, PA
| Name | Credential | NPI |
|---|---|---|
| DR. MOHAMED IBRAHIM HASSAN | MD | 1629187844 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.