David Keunjoo Ryuman, D.D.S.
Dentist · Los Angeles, CA
David Keunjoo Ryuman, D.D.S. is a dentist with a practice address in Los Angeles, California, and NPI 1659586717, issued on May 11, 2007. Check the license (California 38153, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Keunjoo Ryuman
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 38153 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2520 W 8TH St Ste 207, Los Angeles, CA 90057
- Phone
- (213) 386-3366
- Enumerated
- May 11, 2007
- Record last updated
- Sep 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (213) 386-5669
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify David Keunjoo Ryuman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 38153Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average dentist in 2024
58 Medicare Part D claims for 24 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. 25 claims were for opioids.
Most prescribed
- Amoxicillin31 claims
- Acetaminophen-Codeine25 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.
David Keunjoo Ryuman among 14,729 dentist records in California
David Keunjoo Ryuman, D.D.S. 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 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 58% 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 updated2020 · 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).
881 dentist records list a practice address in Los Angeles
They are 881 of the 69,537 NPPES records with a practice address in Los Angeles, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Los Angeles → Dentist nationwide →
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- Marcela Lezama, D.D.S.Los Angeles, CA 900571760514368
- Lallana Mekmanee, DDSLos Angeles, CA 900571316077555
Common questions
What is David Keunjoo Ryuman, D.D.S.'s NPI number?
David Keunjoo Ryuman, D.D.S.'s National Provider Identifier (NPI) is 1659586717, issued on May 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David Keunjoo Ryuman, D.D.S. located?
The NPPES record lists a practice address at 2520 W 8TH St Ste 207, Los Angeles, CA, 90057. Phone: (213) 386-3366. Providers update this record themselves, so call before visiting.
How can I verify David Keunjoo Ryuman, D.D.S.'s license?
NPPES lists California license number 38153, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does David Keunjoo Ryuman, D.D.S. prescribe under Medicare Part D?
In 2024, David Keunjoo Ryuman, D.D.S. had 58 Medicare Part D claims for 24 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.