NPPES file of Aug 9, 2026

Joseph Anthony Karam, MD

Trauma Surgery Physician · Northridge, CA

Joseph Anthony Karam, MD is a trauma surgery physician with a practice address in Northridge, California, and NPI 1922097054, issued on Oct 20, 2005. Check the license (California G88497, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922097054
Name
Joseph Anthony Karam
Credential
MD
Primary taxonomy
Trauma Surgery Physician 2086S0127X
License numbers
G88497 CA
MA67676 NJ
MD044438E PA
Self-reported in NPPES; status is on the state search
Practice location
18300 Roscoe Blvd, Northridge, CA 91325
Phone
(818) 825-8500
Enumerated
Oct 20, 2005
Record last updated
Mar 21, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid IDs
1922097054 CA
0014931500006 PA
Medicare enrollment
Enrolled (PECOS I20100528000286); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 1987
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 18300 Roscoe Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Frank Abt, P.A.Physician Assistant1184670374
  2. Tara Adams-Clarke, DPTPhysical Therapist1902304033
  3. Norair Adjamian, DOSurgery Physician1538689021
  4. Shahla AldavoodiPsychiatric/Mental Health Nurse Practitioner1104328384
  5. Josephine Amissah-Addy, PAEmergency Medicine Physician1780641142
  6. Dominick AmparanoFamily Nurse Practitioner1023797321

Verify Joseph Anthony Karam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G88497
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Northridge Trauma Surgeons Inc A Medical CorporationNorthridge, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Trauma Surgery Physician providers in California

There are 146 trauma surgery physician records in California.

Other trauma surgery physician records in California

  1. Amir Amiri, M.D.Sacramento, CA1184605644
  2. Anthony Anagnostou, MDEureka, CA1427450568
  3. John Anderson, M.D.Sacramento, CA1184607921
  4. Zane Ashman, M.D.Loma Linda, CA1891137915
  5. Uma Bagga, M.D.Orange, CA1710207840
  6. Naveen BalanOakland, CA1669979134
  7. Shana Ballow, DOFresno, CA1275821936
  8. William Bandy, MDChico, CA1629080445
  9. Vishal Bansal, M.D.San Diego, CA1194889410
  10. Cristobal Barrios, MDOrange, CA1164624839

Common questions

What is Joseph Anthony Karam, MD's NPI number?

Joseph Anthony Karam, MD's National Provider Identifier (NPI) is 1922097054, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Anthony Karam, MD located?

The NPPES record lists a practice address at 18300 Roscoe Blvd, Northridge, CA, 91325. Phone: (818) 825-8500. Providers update this record themselves, so call before visiting.

How can I verify Joseph Anthony Karam, MD's license?

NPPES lists California license number G88497, 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.