Gregory J. Kolber, D.D.S
Endodontics · Los Angeles, CA
Gregory J. Kolber, D.D.S is an endodontics with a practice address in Los Angeles, California, and NPI 1639324346, issued on Nov 21, 2008. Check the license (California 57483, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory J. Kolber
- Credential
- D.D.S
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- 57483 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10833 LE Conte Ave, Los Angeles, CA 90095
- Phone
- (408) 603-9392
- Enumerated
- Nov 21, 2008
- Record last updated
- Nov 21, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest endodontics records → All 1,018 in California → Look up another NPI →
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Verify Gregory J. Kolber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 57483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average endodontics in 2024
32 Medicare Part D claims for 27 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin14 claims
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.
Gregory J. Kolber among 1,018 endodontics records in California
Gregory J. Kolber, D.D.S is one of 1,018 endodontics records with a practice address in California. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.
- NPI issued2008 · 58% of these records are older, 34% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2008 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in California
There are 1,018 endodontics records in California.
All 1,018 in California → Every provider in Los Angeles → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Mo Kang, DDS, PHDLos Angeles, CA 900951770790594
- Khalid Alhezaimi, BDSLos Angeles, CA 900891265139075
- Brett Nagatani, D.D.S.Los Angeles, CA 900891649241092
- Andrea Ordonez TelloLos Angeles, CA 900891982541199
- Stephen Park, DDSLos Angeles, CA 900891760561450
- Vanti Pham, DDSLos Angeles, CA 900891174725105
- Ramon Roges, DDSLos Angeles, CA 900891659660397
- Tota Shimizu, DDSLos Angeles, CA 900891124359666
Common questions
What is Gregory J. Kolber, D.D.S's NPI number?
Gregory J. Kolber, D.D.S's National Provider Identifier (NPI) is 1639324346, issued on Nov 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory J. Kolber, D.D.S located?
The NPPES record lists a practice address at 10833 LE Conte Ave, Los Angeles, CA, 90095. Phone: (408) 603-9392. Providers update this record themselves, so call before visiting.
How can I verify Gregory J. Kolber, D.D.S's license?
NPPES lists California license number 57483, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory J. Kolber, D.D.S prescribe under Medicare Part D?
In 2024, Gregory J. Kolber, D.D.S had 32 Medicare Part D claims for 27 beneficiaries; the average among endodontics prescribers was 121. 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.