NPPES file of Aug 9, 2026

Teekz Agustin Yenpasook, DO

Dermatology Physician · Oakland, CA

Teekz Agustin Yenpasook, DO is a dermatology physician with a practice address in Oakland, California, and NPI 1629719109, issued on Apr 6, 2022. Check the license (California 20A25451, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629719109
Name
Teekz Agustin Yenpasook
Credential
DO
Primary taxonomy
Dermatology Physician 207N00000X
License number
20A25451 CA
Self-reported in NPPES; status is on the state search
Practice location
3300 Webster St Ste 509, Oakland, CA 94609
Phone
(510) 452-0330
Enumerated
Apr 6, 2022
Record last updated
Jun 21, 2026
Fax
(510) 275-0851
Medicare enrollment
Enrolled (PECOS I20250325000728); accepts Medicare assignment
Medical or professional school
Touro Un College Of Osteopathic Medicine, Vallejo, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3300 Webster St Ste 509

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Julia Muller, M.D.Dermatology Physician1336173822
  2. Quynhly Nguyen, FNP-BCNurse Practitioner1063063154
  3. Lesley Plotke, MDDermatology Physician1629207493
  4. Holly Shea, PAPhysician Assistant1497838825
  5. Ani Tajirian, M.D.Dermatology Physician1629270897
  6. Jason Wang, MD, MSDermatology Physician1003471467

Verify Teekz Agustin Yenpasook in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A25451
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% fewer Medicare Part D claims than the average dermatology physician in 2024

14 Medicare Part D claims, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.

  1. Teekz Yenpasook14
  2. Specialty average797

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.

Bills Medicare through 2 group practices

  1. Allina Health SystemWoodbury, MN
  2. Park Nicollet ClinicBurnsville, MN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dermatology Physician providers in California

There are 2,083 dermatology physician records in California.

Other dermatology physician records in California

  1. Sam Abaza, M.D.Diamond Bar, CA1831148501
  2. Farah Abdulla, MDDuarte, CA1093934390
  3. Robert Abergel, M.D.Santa Monica, CA1841565843
  4. Karen Abisogun, MDLos Angeles, CA1124474515
  5. Glynis Ablon, M.D.Manhattan Beach, CA1144292889
  6. Arthur Abrams, MDMountain View, CA1518093178
  7. Payam Abrishami, MDAgoura Hills, CA1447288147
  8. Aseel Abu-NasserRedding, CA1609641711
  9. Rachel Abuav, M.D.Beverly Hills, CA1356481733
  10. Boya Abudu, MD, MPHSacramento, CA1336608637

Common questions

What is Teekz Agustin Yenpasook, DO's NPI number?

Teekz Agustin Yenpasook, DO's National Provider Identifier (NPI) is 1629719109, issued on Apr 6, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Teekz Agustin Yenpasook, DO located?

The NPPES record lists a practice address at 3300 Webster St Ste 509, Oakland, CA, 94609. Phone: (510) 452-0330. Providers update this record themselves, so call before visiting.

How can I verify Teekz Agustin Yenpasook, DO's license?

NPPES lists California license number 20A25451, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Teekz Agustin Yenpasook, DO prescribe under Medicare Part D?

In 2024, Teekz Agustin Yenpasook, DO had 14 Medicare Part D claims; the average among dermatology physician prescribers was 797. 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.