Katherine Ahn Wallace, D.D.S.
General Practice Dentistry · Los Alamitos, CA
Katherine Ahn Wallace, D.D.S. is a general practice dentistry with a practice address in Los Alamitos, California, and NPI 1790843381, issued on Dec 5, 2006. Check the license (California 41055, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Ahn Wallace
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 41055 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11121 Los Alamitos Blvd Ste 201, Los Alamitos, CA 90720
- Phone
- (714) 230-2434
- Enumerated
- Dec 5, 2006
- Record last updated
- Jul 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Katherine Ahn Wallace in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 41055Check 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: $18.76
1 payment: food and beverage; the largest payer was Align Technology, 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.
Katherine Ahn Wallace among 17,852 general practice dentistry records in California
Katherine Ahn Wallace, D.D.S. 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 updated2021 · 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).
30 general practice dentistry records list a practice address in Los Alamitos
They are 30 of the 1,035 NPPES records with a practice address in Los Alamitos, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Los Alamitos → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Greg Cooper, DDSLos Alamitos, CA 907201912033440
- Corey Deeble, DDSLos Alamitos, CA 907201194832428
- Larry Diamond, D.D.S.Los Alamitos, CA 907201023039856
- Kim Hannaford, D.D.S.Los Alamitos, CA 907201598718538
- Barry Israel, DDSLos Alamitos, CA 907201295816031
- Darby Kaiser, D.D.S.Los Alamitos, CA 907201003973983
- Nelson Pai, DDSLos Alamitos, CA 907201104967959
- Christi Peterson, D.M.D.Los Alamitos, CA 907201568467975
Common questions
What is Katherine Ahn Wallace, D.D.S.'s NPI number?
Katherine Ahn Wallace, D.D.S.'s National Provider Identifier (NPI) is 1790843381, issued on Dec 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Ahn Wallace, D.D.S. located?
The NPPES record lists a practice address at 11121 Los Alamitos Blvd Ste 201, Los Alamitos, CA, 90720. Phone: (714) 230-2434. Providers update this record themselves, so call before visiting.
How can I verify Katherine Ahn Wallace, D.D.S.'s license?
NPPES lists California license number 41055, 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.