James George Callahan, D.M.D.
General Practice Dentistry · Los Angeles, CA
James George Callahan, D.M.D. is a general practice dentistry with a practice address in Los Angeles, California, and NPI 1225072879, issued on Jun 15, 2006. Check the license (California 31901, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James George Callahan
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 31901 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11301 Wilshire Blvd, Los Angeles, CA 90073
- Phone
- (310) 268-3776
- Enumerated
- Jun 15, 2006
- Record last updated
- Jul 12, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 268-4979
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 11301 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frances Abad, FNPFamily Nurse Practitioner1053504514
- Oluwakemi AbayomiPsychiatric/Mental Health Nurse Practitioner1598508913
- Vanessa AbcedeSocial Worker1306584495
- Maren Abromowitz, FNP-BCFamily Nurse Practitioner1356950919
- Nayiri Adessian, MS, CCC-SLPSpeech-Language Pathologist1326761420
- Farzad AdibStudent in an Organized Health Care Education/Training Program1558745869
Verify James George Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 31901Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $24.04
1 payment: education; the largest payer was Colgate Oral Pharmaceuticals, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
James George Callahan among 17,852 general practice dentistry records in California
James George Callahan, D.M.D. 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 71% 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 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).
916 general practice dentistry records list a practice address in Los Angeles
They are 916 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Los Angeles → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Jimmy Duong, D.D.S.Los Angeles, CA 900731710326236
- Woojung KimLos Angeles, CA 900731245804152
- Margaret McLain, D.M.D.Los Angeles, CA 900731023054152
- Sarah Parel, D.D.S.Los Angeles, CA 900731487975611
- Nasja Weske, DDSLos Angeles, CA 900731033916598
- Kyung Hugh, D.D.S.Los Angeles, CA 900711154703890
- Silvia Kasparian, D.D.S.Los Angeles, CA 900711225196520
- Borzoo Ahmadi, D.D.SBevely Hills, CA 900691356687305
Common questions
What is James George Callahan, D.M.D.'s NPI number?
James George Callahan, D.M.D.'s National Provider Identifier (NPI) is 1225072879, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James George Callahan, D.M.D. located?
The NPPES record lists a practice address at 11301 Wilshire Blvd, Los Angeles, CA, 90073. Phone: (310) 268-3776. Providers update this record themselves, so call before visiting.
How can I verify James George Callahan, D.M.D.'s license?
NPPES lists California license number 31901, 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. 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.