NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joanna Carlsen Milder, PA-C

Physician Assistant in Upper Chichester, PA · enumerated 2010 · practices at Joel S. Goldberg.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1356663819

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Joanna Carlsen Milder
Credential PA-C
Sex Female
Practice address 4015 Chichester Ave, Upper Chichester, PA, 19061
Phone (610) 506-8297
Enumeration date Feb 24, 2010
Last updated in NPPES Nov 17, 2011

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License MA-054253 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Joanna Milder practice?
The practice location on file with NPPES is in Upper Chichester, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Joanna Milder?
The National Provider Identifier (NPI) for Joanna Milder is 1356663819, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-17.