1. Home
  2. Directory
  3. California
  4. Concord
  5. Nurse Practitioner
  6. NPI Profile

JOANNA HAHN
NPI 1669920815
Nurse Practitioner - Family in Concord, CA

Active since September 16, 2016
2280 DIAMOND BLVD STE 520, CONCORD, CA 94520(925) 682-1951 Get Directions Write a Review

NPPES record last updated: May 19, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 19, 2021, Sep 16, 2016 (2 updates tracked since 2016).

About Joanna Hahn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOANNA HAHN (NPI 1669920815) is an individual family provider in Concord, California, licensed in Florida (9274113) and active in the NPI registry since September 2016. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1669920815
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameJOANNA HAHN
Location Address2280 DIAMOND BLVD STE 520Concord, CA 94520-5719
Mailing Address1924 Shasta LnHercules, CA 94547-2756 · (732) 421-4020
Phone(925) 682-1951
Sole ProprietorNo
Enumeration DateSeptember 16, 2016
Last NPPES UpdateMay 19, 20212 updates tracked since enumeration
NPPES CertifiedMay 19, 2021
✔ NPI 1669920815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in FL · 9274113
2280 DIAMOND BLVD STE 520, Concord, CA 94520
Open in Google Maps ↗

Secondary Practice Locations 2

Location 15757 Plaza DrCypress, CA 90630-5000 · Phone (888) 445-8745
Location 27500 4th St NSt Petersburg, FL 33702-5400 · Phone (727) 526-4122

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHENCHEN ZHANG
Audiologist
2280 DIAMOND BLVD STE 520
CONCORD, CA 94520
Contra Costa County (925) 682-1951
HAYLEY REGAN MORRIS
Audiologist
2280 DIAMOND BLVD STE 520
CONCORD, CA 94520
Contra Costa County (925) 682-1951

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joanna Hahn's NPI number?

The NPI number for Joanna Hahn is 1669920815. It was assigned to this individual provider in the NPPES registry on September 16, 2016.

Where is Joanna Hahn located?

Joanna Hahn practices at 2280 Diamond Blvd Ste 520, Concord, CA 94520. The listed phone number is (925) 682-1951.

What is Joanna Hahn's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Joanna Hahn was last updated on May 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.