Josephine Amissah-Addy, PA
Emergency Medicine Physician · Northridge, CA
Josephine Amissah-Addy, PA is an emergency medicine physician with a practice address in Northridge, California, and NPI 1780641142, issued on Apr 28, 2006. Check the license (California PA14336, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Josephine Amissah-Addy
- Credential
- PA
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- PA14336 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18300 Roscoe Blvd, Northridge, CA 91328
- Phone
- (818) 885-8500
- Enumerated
- Apr 28, 2006
- Record last updated
- Jul 13, 2026
- Medicaid ID
- PA14336 CA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 18300 Roscoe Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Beatty, MDEmergency Medicine Physician1083668347
- Steven Cole, MDEmergency Medicine Physician1134186547
- Patricia Gillis, MDEmergency Medicine Physician1922058288
- Mary Grace HughesPharmacist1528425295
- Stephen JonesEmergency Medicine Physician1699732008
- William Kent, PAEmergency Medicine Physician1508823832
Verify Josephine Amissah-Addy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license PA14336Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $15.48
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Josephine Amissah-Addy among 7,751 emergency medicine physician records in California
Josephine Amissah-Addy, PA is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 emergency medicine physician records list a practice address in Northridge
They are 25 of the 2,598 NPPES records with a practice address in Northridge, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Northridge → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Steven Cole, MDNorthridge, CA 913281134186547
- Patricia Gillis, MDNorthridge, CA 913281922058288
- Stephen JonesNorthridge, CA 913281699732008
- William Kent, PANorthridge, CA 913281508823832
- Daniel Kijner, MDNorthridge, CA 913281417913518
- Patricia MaloneyNorthridge, CA 913281881651297
- Shannon McFarland, PANorthridge, CA 913281316905953
- Gregory Moran, MDNorthridge, CA 913281730139189
Common questions
What is Josephine Amissah-Addy, PA's NPI number?
Josephine Amissah-Addy, PA's National Provider Identifier (NPI) is 1780641142, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Josephine Amissah-Addy, PA located?
The NPPES record lists a practice address at 18300 Roscoe Blvd, Northridge, CA, 91328. Phone: (818) 885-8500. Providers update this record themselves, so call before visiting.
How can I verify Josephine Amissah-Addy, PA's license?
NPPES lists California license number PA14336, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.