NPPES file of Aug 9, 2026

David C. Ianacone, MD

Addiction Medicine (Internal Medicine) Physician · Riverside, CA

David C. Ianacone, MD is an addiction medicine (internal medicine) physician with a practice address in Riverside, California, and NPI 1396816336, issued on Nov 13, 2006. Check the license (California G75636, as entered in NPPES) on the Medical Board of California; 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
1396816336
Name
David C. Ianacone
Credential
MD
Primary taxonomy
Addiction Medicine (Internal Medicine) Physician 207RA0401X
License number
G75636 CA
Self-reported in NPPES; status is on the state search
Practice location
10800 Magnolia Ave, Riverside, CA 92505
Phone
(909) 353-2000
Enumerated
Nov 13, 2006
Record last updated
Sep 23, 2008 (not updated in 18 years: call before relying on the address or phone)
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 addiction medicine (internal medicine) physician records → All 73 in California → Look up another NPI →

Also registered at 10800 Magnolia Ave

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

  1. Joseph Abapo, MDPediatrics Physician1841348786
  2. Hussein Abdulrassoul, MDOrthopaedic Surgery Physician1972123891
  3. Kimberly Adams, PA-CMedical Physician Assistant1053522870
  4. Alfredo Aguiar, PAPhysician Assistant1043368970
  5. Michael Aguinaldo, M.D.Pediatrics Physician1851531487
  6. Maria Aguirre, MDPediatrics Physician1295806255

Verify David C. Ianacone in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G75636    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

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David C. Ianacone among 73 addiction medicine (internal medicine) physician records in California

David C. Ianacone, MD is one of 73 addiction medicine (internal medicine) physician records with a practice address in California. 75% 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 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 51% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2008 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0401X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction Medicine (Internal Medicine) Physician providers in California

There are 73 addiction medicine (internal medicine) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 73 in California → Every provider in Riverside → Addiction Medicine (Internal Medicine) Physician nationwide →

The 8 addiction medicine (internal medicine) physician records with the nearest ZIP codes

  1. Hans Geisse, MDRiverside, CA 925051063589935
  2. Michael Bishara, M.D.Riverside, CA 925061144311044
  3. Aung Thu, MDHemet, CA 925431760423560
  4. Dallas Dick, M.D.Moreno Valley, CA 925551285809772
  5. Raphi Hambartzhumian, MDMurrieta, CA 925621659991966
  6. Aury Holtzman, M.D.Huntington Beach, CA 926481548462567
  7. Mihran Ask, MDLoma Linda, CA 923571487766176
  8. Jan Brink, M.D.Hesperia, CA 923451326227992

Common questions

What is David C. Ianacone, MD's NPI number?

David C. Ianacone, MD's National Provider Identifier (NPI) is 1396816336, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David C. Ianacone, MD located?

The NPPES record lists a practice address at 10800 Magnolia Ave, Riverside, CA, 92505. Phone: (909) 353-2000. Providers update this record themselves, so call before visiting.

How can I verify David C. Ianacone, MD's license?

NPPES lists California license number G75636, 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. 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.