NPPES file of Aug 9, 2026

Shadi Tamaddon, NP

Nurse Practitioner · Northridge, CA

Shadi Tamaddon, NP is a nurse practitioner with a practice address in Northridge, California, and NPI 1104175454, issued on Sep 2, 2012. Check the license (California 19716, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1104175454
Name
Shadi Tamaddon
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
19716 CA
Self-reported in NPPES; status is on the state search
Practice location
8510 Balboa Blvd, Northridge, CA 91325
Phone
(818) 637-2000
Enumerated
Sep 2, 2012
Record last updated
Sep 2, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(818) 654-3417
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →

Also registered at 8510 Balboa Blvd

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

  1. Saro ArakeliansPharmacist1518380492
  2. Jennifer Dixon, ANP-BCAdult Health Nurse Practitioner1538430418
  3. Stanley Drew, M.D.Hematology (Internal Medicine) Physician1982741435
  4. Kendra Ednacot, DOCTOR OF PHARMACYPharmacist1104361773
  5. Lev Gelman, MDInternal Medicine Physician1851356018
  6. Syed Hasan, M.D.Internal Medicine Physician1649377318

Verify Shadi Tamaddon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 19716    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
Find 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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Shadi Tamaddon among 8,223 nurse practitioner records in California

Shadi Tamaddon, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2012, is newer than 37% of them.

  • NPI issued2012 · 37% of these records are older, 61% newer
  • In a Medicare fileNo · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2012 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8,223 in California → Every provider in Northridge → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Ararat ApelianNorthridge, CA 913251003613829
  2. Michelle Birdsall, FNPNorthridge, CA 913251013675073
  3. Harjeet Dhaliwal, FNPNorthridge, CA 913251669048872
  4. Patricia Gutierrez, N.P.Northridge, CA 913251649424995
  5. Jigna Kumar, AGACNP-BCNorthridge, CA 913251831772193
  6. Denise Sinaga, NPNorthridge, CA 913251700207305
  7. Angelo Soriano, N.P.Northridge, CA 913251063563237
  8. Elaine Strizzi, N.P.Northridge, CA 913251316095623

Common questions

What is Shadi Tamaddon, NP's NPI number?

Shadi Tamaddon, NP's National Provider Identifier (NPI) is 1104175454, issued on Sep 2, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Shadi Tamaddon, NP located?

The NPPES record lists a practice address at 8510 Balboa Blvd, Northridge, CA, 91325. Phone: (818) 637-2000. Providers update this record themselves, so call before visiting.

How can I verify Shadi Tamaddon, NP's license?

NPPES lists California license number 19716, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.