Gwi Young Yoon, DDS
Dentist · Fairfield, CA
Gwi Young Yoon, DDS is a dentist with a practice address in Fairfield, California, and NPI 1801950449, issued on Dec 20, 2006. Check the license (California 47681, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gwi Young Yoon
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 47681 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1245 Travis Blvd, Fairfield, CA 94533
- Phone
- (707) 422-7003
- Enumerated
- Dec 20, 2006
- Record last updated
- Oct 26, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (707) 422-7013
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 1245 Travis Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Lanflisi, MDSurgery Physician1104811942
Verify Gwi Young Yoon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 47681Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average dentist in 2024
47 Medicare Part D claims for 26 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
- Penicillin V Potassium33 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.
Gwi Young Yoon among 14,729 dentist records in California
Gwi Young Yoon, 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% 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 updated2011 · 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).
45 dentist records list a practice address in Fairfield
They are 45 of the 3,595 NPPES records with a practice address in Fairfield, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Fairfield → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Albert Cu, D.D.S.Fairfield, CA 945331932350733
- Rashminder Dhillon, DDSFairfield, CA 945331275893000
- Wallace Hancock, DDSFairfield, CA 945331598828840
- Myles Hokama, DDSFairfield, CA 945331659518066
- Farhad Kandakloo, D.D.SFairfield, CA 945331154497949
- Jina Lee, DDSFairfield, CA 945331689862146
- John Lewis, DDSFairfield, CA 945331215086335
- Herminio Lu, DDSFairfield, CA 945331508903121
Common questions
What is Gwi Young Yoon, DDS's NPI number?
Gwi Young Yoon, DDS's National Provider Identifier (NPI) is 1801950449, issued on Dec 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gwi Young Yoon, DDS located?
The NPPES record lists a practice address at 1245 Travis Blvd, Fairfield, CA, 94533. Phone: (707) 422-7003. Providers update this record themselves, so call before visiting.
How can I verify Gwi Young Yoon, DDS's license?
NPPES lists California license number 47681, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gwi Young Yoon, DDS prescribe under Medicare Part D?
In 2024, Gwi Young Yoon, DDS had 47 Medicare Part D claims for 26 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.