Youngseok Seo, DDS
General Practice Dentistry · San Marcos, CA
Youngseok Seo, DDS is a general practice dentistry with a practice address in San Marcos, California, and NPI 1174754568, issued on Aug 3, 2009. Check the license (California 59810, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Youngseok Seo
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 59810 CA
Self-reported in NPPES; status is on the state search - Practice location
- 150 Valpreda RD, San Marcos, CA 92069
- Phone
- (760) 736-6767
- Enumerated
- Aug 3, 2009
- Record last updated
- Sep 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (760) 736-8740
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 150 Valpreda RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jannah Alaoui, CNM, RNAdvanced Practice Midwife1689908113
- Wais Alemi, MDFamily Medicine Physician1427305242
- Leon Altamirano, PSY.D.Psychologist1619271517
- Blanca Arias, LCSWClinical Social Worker1033223649
- Lynda Ariella, PHDClinical Psychologist1073518965
- Maria BanuelosCase Manager/Care Coordinator1720280589
Verify Youngseok Seo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 59810Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average general practice dentistry in 2024
19 Medicare Part D claims for 13 beneficiaries, against an average of 83 among the 70,290 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.
Industry payments in 2024: $16.45
1 payment: food and beverage; the largest payer was Philips North America LLC. 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.
Youngseok Seo among 17,852 general practice dentistry records in California
Youngseok Seo, DDS 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 2009, is newer than 65% of them.
- NPI issued2009 · 65% of these records are older, 32% 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 updated2020 · 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).
40 general practice dentistry records list a practice address in San Marcos
They are 40 of the 1,985 NPPES records with a practice address in San Marcos, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in San Marcos → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Reny Chacko, DDSSan Marcos, CA 920691013069996
- Raul Escalante, D.D.S.,M.S.San Marcos, CA 920691457414674
- Rasika Jain, DDSSan Marcos, CA 920691750443859
- Ronald Jeffrey, D.D.S.San Marcos, CA 920691104819374
- James Johnson, DDSSan Marcos, CA 920691700884384
- Anitha Krishnan, DDSSan Marcos, CA 920691184674350
- Ehsan Nasery, DDSSan Marcos, CA 920691427103993
- Richard Romney, D.D.S.San Marcos, CA 920691699758219
Common questions
What is Youngseok Seo, DDS's NPI number?
Youngseok Seo, DDS's National Provider Identifier (NPI) is 1174754568, issued on Aug 3, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Youngseok Seo, DDS located?
The NPPES record lists a practice address at 150 Valpreda RD, San Marcos, CA, 92069. Phone: (760) 736-6767. Providers update this record themselves, so call before visiting.
How can I verify Youngseok Seo, DDS's license?
NPPES lists California license number 59810, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Youngseok Seo, DDS prescribe under Medicare Part D?
In 2024, Youngseok Seo, DDS had 19 Medicare Part D claims for 13 beneficiaries; the average among general practice dentistry prescribers was 83. 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.