Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jacalyn S Maller, MD
Pediatrics Physician in Wayne, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1366488777
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Jacalyn S Maller
Credential MD
Sex Female
Practice address 418 E Lancaster Ave, Wayne, PA, 19087
Phone (610) 687-3600
Fax (610) 687-1774
Enumeration date Jun 22, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD035591E (PA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
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
Where does Jacalyn Maller practice?
The practice location on file with NPPES is in Wayne, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jacalyn Maller?
The National Provider Identifier (NPI) for Jacalyn Maller is 1366488777, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Theodore Glazer Chiropractor · Wayne, PA NPI 1750344867 Teresa Saris Internal Medicine Physician · St Davids, PA NPI 1942254867 David Perkins Internal Medicine Physician · St Davids, PA NPI 1558399857 Harold Gordon Pediatrics Physician · Wayne, PA NPI 1689605131 David P. Perkins, M.D., P.C. Internal Medicine Physician · St Davids, PA NPI 1457435240 Bobdanco Inc Durable Medical Equipment & Medical Supplies · Wayne, PA NPI 1194132191 Propel Dme, LLC Durable Medical Equipment & Medical Supplies · Wayne, PA NPI 1063813038
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.