Registry data as of Aug 27, 2026

Ali Hosseinzadeh, DMD

Periodontics · Ventura, CA

Ali Hosseinzadeh, DMD is a periodontics with a practice address in Ventura, California, and NPI 1659436772, issued on Dec 27, 2006. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1659436772
Name
Ali Hosseinzadeh
Credential
DMD
Primary taxonomy
Periodontics 1223P0300X
Practice location
5700 Ralston St # 306, Ventura, CA 93003
Phone
(805) 644-5284
Enumerated
Dec 27, 2006
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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Verify Ali Hosseinzadeh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

55% fewer Medicare Part D claims than the average periodontics in 2024

126 Medicare Part D claims for 63 beneficiaries, against an average of 279 among the 3,776 providers of this specialty who prescribed in Part D.

  1. Ali Hosseinzadeh126
  2. Specialty average279

Most prescribed

  1. Amoxicillin58 claims
  2. Naproxen Sodium17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $19.04

1 payment, mostly food and beverage; the largest payer was Abbott Laboratories. The 2,661 providers of this specialty with any payment received $1,330.13 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ali Hosseinzadeh$19.04
  2. Specialty average$1,330.13

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Periodontics providers in California

There are 863 periodontics records in California.

Other periodontics records in California

  1. Bruce Abe, D.D.S.San Diego, CA1235104688
  2. Kenneth Abe, DDSLos Altos, CA1912039967
  3. Michael Abelson, D.D.S.,M.S.Valencia, CA1225235617
  4. Genevieve Abi-Nahed, DMDSan Diego, CA1225200371
  5. Marwa Abulhasan, DMD, MS, MMMLos Angeles, CA1932453198
  6. Sonali Acharya, BDS, MDS, DMDSanta Rosa, CA1396418604
  7. Christopher Acone, DDSTorrance, CA1659576551
  8. Mustafa AdamiRedlands, CA1750739983
  9. Thomas Adamich, DDSHuntington Beach, CA1063579670
  10. Bijan Afar, DDSLos Angeles, CA1700954385

Common questions

What is Ali Hosseinzadeh, DMD's NPI number?

Ali Hosseinzadeh, DMD's National Provider Identifier (NPI) is 1659436772, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ali Hosseinzadeh, DMD located?

The NPPES record lists a practice address at 5700 Ralston St # 306, Ventura, CA, 93003. Phone: (805) 644-5284. Providers update this record themselves, so call before visiting.

How can I verify Ali Hosseinzadeh, DMD's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Ali Hosseinzadeh, DMD prescribe under Medicare Part D?

In 2024, Ali Hosseinzadeh, DMD had 126 Medicare Part D claims for 63 beneficiaries; the average among periodontics prescribers was 279. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.