Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alexander Seng, CRNP
Nurse Practitioner in Pottstown, PA · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891340048
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Registry record
Entity type Individual (Type 1)
Name Alexander Seng
Credential CRNP
Sex Male
Practice address 1591 Medical Dr, Pottstown, PA, 19464
Phone (610) 326-8005
Fax (610) 327-9629
Enumeration date Aug 5, 2019
Last updated in NPPES Aug 5, 2019
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP020264 (PA) Primary
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 Alexander Seng?
The National Provider Identifier (NPI) for Alexander Seng is 1891340048, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alexander Seng practice?
The practice location on file with NPPES is in Pottstown, PA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Ronald Swaab Hematology & Oncology Physician · Pottstown, PA NPI 1134129869 Wei Song Hematology & Oncology Physician · Pottstown, PA NPI 1104826825 Jarrod Brendlinger Physician Assistant · Pottstown, PA NPI 1912998782 Deborah Fleischer Gastroenterology Physician · Pottstown, PA NPI 1609856418 Michael Pawlowsky Gastroenterology Physician · Pottstown, PA NPI 1649250416 Nainesh Patel Cardiovascular Disease Physician · Pottstown, PA NPI 1043290372 An Pham Pulmonary Disease Physician · Pottstown, PA NPI 1609848456 Drew Ronnermann Gastroenterology Physician · Pottstown, PA NPI 1235101999
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-08-05.