NPPES file of Aug 9, 2026

Horia Theodor Ionescu, D.D.S.

General Practice Dentistry · Elk Grove, CA

Horia Theodor Ionescu, D.D.S. is a general practice dentistry with a practice address in Elk Grove, California, and NPI 1790906329, issued on May 1, 2007. Check the license (California 47100, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790906329
Name
Horia Theodor Ionescu
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
47100 CA
Self-reported in NPPES; status is on the state search
Practice location
9381 E Stockton Blvd, Elk Grove, CA 95624
Phone
(916) 685-4662
Enumerated
May 1, 2007
Record last updated
Jun 22, 2010 (not updated in 16 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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Also registered at 9381 E Stockton Blvd

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

  1. Joshua Davidson, D.C.Chiropractor1447463047
  2. Christine Lee, D.M.D.Dentist1225300668
  3. Firdos Sheikh, MDNeurology Physician1205922333
  4. Duc-Vinh Vo, DDSDentist1215344775
  5. Zenja Watkins, MDObstetrics & Gynecology Physician1730162421
  6. Andrew Williams, D.C.Chiropractor1104853175

Verify Horia Theodor Ionescu 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 47100
    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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77% fewer Medicare Part D claims than the average general practice dentistry in 2024

19 Medicare Part D claims for 13 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Horia Ionescu19
  2. Specialty average83

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: $1,562.46

3 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Align Technology, Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Horia Ionescu$1,562.46
  2. Specialty average$597.01

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

Horia Theodor Ionescu among 17,852 general practice dentistry records in California

Horia Theodor Ionescu, D.D.S. is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 29% of them.

  • NPI issued2007 · 29% of these records are older, 40% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2010 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

84 general practice dentistry records list a practice address in Elk Grove

They are 84 of the 3,596 NPPES records with a practice address in Elk Grove, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Jeffery Chantry, DDSElk Grove, CA 956241801957956
  2. Gary Chow, D.D.S.Elk Grove, CA 956241740364058
  3. Van Dang, D.D.SElk Grove, CA 956241467590109
  4. Mark Gjerde, DDSElk Grove, CA 956241588693170
  5. Ma. Loida Leyba, D.M.D.Elk Grove, CA 956241003917345
  6. Ricardo Macasaet, DDSElk Grove, CA 956241861613721
  7. Richard Michelsen, D.D.S.Elk Grove, CA 956241639222722
  8. Peter Ngai, DMDElk Grove, CA 956241083606388

Common questions

What is Horia Theodor Ionescu, D.D.S.'s NPI number?

Horia Theodor Ionescu, D.D.S.'s National Provider Identifier (NPI) is 1790906329, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Horia Theodor Ionescu, D.D.S. located?

The NPPES record lists a practice address at 9381 E Stockton Blvd, Elk Grove, CA, 95624. Phone: (916) 685-4662. Providers update this record themselves, so call before visiting.

How can I verify Horia Theodor Ionescu, D.D.S.'s license?

NPPES lists California license number 47100, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Horia Theodor Ionescu, D.D.S. prescribe under Medicare Part D?

In 2024, Horia Theodor Ionescu, D.D.S. had 19 Medicare Part D claims for 13 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions 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. 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.