Kirk Larson, DDS
Dentist · Fullerton, CA
Kirk Larson, DDS is a dentist with a practice address in Fullerton, California, and NPI 1669874863, issued on Sep 18, 2014. Check the license (California 36388, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kirk Larson
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 36388 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3261 N Harbor Blvd, Fullerton, CA 92835
- Phone
- (714) 870-9445
- Enumerated
- Sep 18, 2014
- Record last updated
- Sep 18, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (714) 870-9460
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Kirk Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 36388Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average dentist in 2024
15 Medicare Part D claims for 14 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin13 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.
Industry payments in 2024: $11.96
3 payments; by number, the most common kind was food and beverage; the largest payer was Ultradent Products Inc. The 31,974 providers of this specialty with any payment received $540.36 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.
Kirk Larson among 14,729 dentist records in California
Kirk Larson, DDS is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 63% of them.
- NPI issued2014 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2014 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
52 dentist records list a practice address in Fullerton
They are 52 of the 5,437 NPPES records with a practice address in Fullerton, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Fullerton → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Richard Amo, D.D.S.Fullerton, CA 928351366556680
- Linda Baba, DDSFullerton, CA 928351184724288
- Stephen Chou, DDSFullerton, CA 928351700890845
- Michael Crial, DMDFullerton, CA 928351962662916
- Sung Joo Kim, DDSFullerton, CA 928351134272362
- Byoung Kim, DDSFullerton, CA 928351396935524
- Janet Kim, D.D.SFullerton, CA 928351104131101
- Eric Meyer, DDSFullerton, CA 928351295956969
Common questions
What is Kirk Larson, DDS's NPI number?
Kirk Larson, DDS's National Provider Identifier (NPI) is 1669874863, issued on Sep 18, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Kirk Larson, DDS located?
The NPPES record lists a practice address at 3261 N Harbor Blvd, Fullerton, CA, 92835. Phone: (714) 870-9445. Providers update this record themselves, so call before visiting.
How can I verify Kirk Larson, DDS's license?
NPPES lists California license number 36388, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Kirk Larson, DDS prescribe under Medicare Part D?
In 2024, Kirk Larson, DDS had 15 Medicare Part D claims for 14 beneficiaries; the average among dentist prescribers was 86. 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.