Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sonia Voynow, LCSW
Psychologist in Darby, PA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1184765174
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Sonia Voynow
Credential LCSW
Sex Female
Practice address 1503 Lansdowne Ave, Suite 3008, Darby, PA, 19023
Phone (610) 524-1552
Enumeration date Feb 11, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy.
About the LCSW credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| CI9140 | Other | PA | RAILROAD MEDICARE |
| 0647920000 | Other | PA | PERSONAL CHOICE |
| 7530194 | Other | PA | AETNA |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Sonia Voynow?
The National Provider Identifier (NPI) for Sonia Voynow is 1184765174, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sonia Voynow practice?
The practice location on file with NPPES is in Darby, PA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → John Blannett Cardiovascular Disease Physician · Darby, PA NPI 1780689794 Richard Hunn Cardiovascular Disease Physician · Darby, PA NPI 1750386561 Martin O'Riordan Cardiovascular Disease Physician · Darby, PA NPI 1528063385 Joseph Conroy Cardiovascular Disease Physician · Darby, PA NPI 1265437834 William Mcnamee Infectious Disease Physician · Darby, PA NPI 1043211089 Mark Gilbert Infectious Disease Physician · Darby, PA NPI 1366443855 Mercy Management of Sepa Gynecologic Oncology Physician · Darby, PA NPI 1699751784 Mercy Pediatric Associates PC Pediatrics Physician · Darby, PA NPI 1417922782
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.