NPPES file of Aug 9, 2026

James Jacob Hartzel, DDS

General Practice Dentistry · Valencia, CA

James Jacob Hartzel, DDS is a general practice dentistry with a practice address in Valencia, California, and NPI 1477683290, issued on Mar 7, 2007. Check the license (California 31081, 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
1477683290
Name
James Jacob Hartzel
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
31081 CA
Self-reported in NPPES; status is on the state search
Practice location
25880 Tournament RD, Valencia, CA 91355
Phone
(661) 255-1211
Enumerated
Mar 7, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(661) 255-1155
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 general practice dentistry records → All 17,852 in California → Look up another NPI →

Also registered at 25880 Tournament RD

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

  1. Michael Abelson, D.D.S.,M.S.Periodontics1225235617
  2. John Evans, D.D.S.Endodontics1316164064
  3. Lawrence Fealy, D.D.S.General Practice Dentistry1972611689
  4. Timothy Gault, DDSOrthodontics and Dentofacial Orthopedics Dentistry1881818243
  5. Amanda Jenney, DDSGeneral Practice Dentistry1346598455
  6. John Legler, LMFTCounseling Psychologist1558302158

Verify James Jacob Hartzel 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 31081    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

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James Jacob Hartzel among 17,852 general practice dentistry records in California

James Jacob Hartzel, DDS 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 not. Its NPI, issued in 2007, is newer than 29% of them.

  • NPI issued2007 · 29% of these records are older, 40% newer
  • In a Medicare fileNo · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 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).

49 general practice dentistry records list a practice address in Valencia

They are 49 of the 2,083 NPPES records with a practice address in Valencia, and 17,852 general practice dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 17,852 in California → Every provider in Valencia → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Rosario Castillo, DDSValencia, CA 913551144366519
  2. Peter Elloway, D.D.SValencia, CA 913551205905692
  3. Lawrence Fealy, D.D.S.Valencia, CA 913551972611689
  4. David Goldberg, D.D.S.Valencia, CA 913551326043696
  5. Virginia Hughson-Otte, D.D.S.Valencia, CA 913551083767602
  6. Vivienne Lago, DDSValencia, CA 913551023184074
  7. Saeid Razi, DDSValencia, CA 913551235127143
  8. Jeffrey Reyes, DDSValencia, CA 913551487720603

Common questions

What is James Jacob Hartzel, DDS's NPI number?

James Jacob Hartzel, DDS's National Provider Identifier (NPI) is 1477683290, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James Jacob Hartzel, DDS located?

The NPPES record lists a practice address at 25880 Tournament RD, Valencia, CA, 91355. Phone: (661) 255-1211. Providers update this record themselves, so call before visiting.

How can I verify James Jacob Hartzel, DDS's license?

NPPES lists California license number 31081, 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.