NPPES file of Aug 9, 2026

James Thomas Olsen, D.M.D. , M.D.

Oral and Maxillofacial Surgery (Dentist) · Los Angeles, CA

James Thomas Olsen, D.M.D. , M.D. is an oral and maxillofacial surgery (dentist) with a practice address in Los Angeles, California, and NPI 1235455775, issued on Apr 8, 2010. Check the license (California 55829, 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
1235455775
Name
James Thomas Olsen
Credential
D.M.D. , M.D.
Primary taxonomy
Oral and Maxillofacial Surgery (Dentist) 1223S0112X
License number
55829 CA
Self-reported in NPPES; status is on the state search
Practice location
2080 Century Park E, Los Angeles, CA 90067
Phone
(310) 842-4811
Enumerated
Apr 8, 2010
Record last updated
Jul 16, 2012 (not updated in 14 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 oral and maxillofacial surgery (dentist) records → All 987 in California → Look up another NPI →

Also registered at 2080 Century Park E

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

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  3. John Barrett, D.A.Acupuncturist1376501452
  4. Stacy Barrows, P.T.Physical Medicine & Rehabilitation Physician1629185657
  5. Marina Barsumian, CRNACertified Registered Nurse Anesthetist1497781603
  6. Susan Bass, P.T.Physical Medicine & Rehabilitation Physician1780799619

Verify James Thomas Olsen 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 55829    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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James Thomas Olsen among 987 oral and maxillofacial surgery (dentist) records in California

James Thomas Olsen, D.M.D. , M.D. is one of 987 oral and maxillofacial surgery (dentist) 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 2010, is newer than 67% of them.

  • NPI issued2010 · 67% of these records are older, 29% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2012 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Oral and Maxillofacial Surgery (Dentist) providers in California

There are 987 oral and maxillofacial surgery (dentist) records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 987 in California → Every provider in Los Angeles → Oral and Maxillofacial Surgery (Dentist) nationwide →

The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes

  1. Omar Kholaki, D.D.S., M.D.Los Angeles, CA 900671750738555
  2. Jay Lee, DDS, MDLos Angeles, CA 900671134418304
  3. Robert Relle, D.D.S.Los Angeles, CA 900671811055759
  4. David Salehani, D.D.S., M.D.Los Angeles, CA 900691760448351
  5. Barry Skaggs, DDSLos Angeles, CA 900691033227236
  6. Gail Strahs, DDSLos Angeles, CA 900641922126226
  7. Tina Chang, DMD MDLos Angeles, CA 900731336302728
  8. Donald Sze, D.M.D.Los Angeles, CA 900731972509685

Common questions

What is James Thomas Olsen, D.M.D. , M.D.'s NPI number?

James Thomas Olsen, D.M.D. , M.D.'s National Provider Identifier (NPI) is 1235455775, issued on Apr 8, 2010. An NPI identifies a provider in billing; it is not a license.

Where is James Thomas Olsen, D.M.D. , M.D. located?

The NPPES record lists a practice address at 2080 Century Park E, Los Angeles, CA, 90067. Phone: (310) 842-4811. Providers update this record themselves, so call before visiting.

How can I verify James Thomas Olsen, D.M.D. , M.D.'s license?

NPPES lists California license number 55829, 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.