NPPES file of Aug 9, 2026

Sein Tun, DO

Nephrology Physician · Los Angeles, CA

Sein Tun, DO is a nephrology physician with a practice address in Los Angeles, California, and NPI 1003591835, issued on Jun 20, 2023. Check the license (California 20A24581, 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
1003591835
Name
Sein Tun
Credential
DO
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
20A24581 CA
SL2024 NV
Self-reported in NPPES; status is on the state search
Practice location
1975 Zonal Ave, Los Angeles, CA 90089
Phone
(323) 442-1900
Enumerated
Jun 20, 2023
Record last updated
Jun 18, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1975 Zonal Ave

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

  1. Mark Ard, MDPsychiatry Physician1528412376
  2. Rojine ArianiStudent in an Organized Health Care Education/Training Program1609457373
  3. Arman Ashrafi, MDStudent in an Organized Health Care Education/Training Program1174383822
  4. Jackson BakerStudent in an Organized Health Care Education/Training Program1528810074
  5. Sebouh BazikianStudent in an Organized Health Care Education/Training Program1477303139
  6. Jacob BecerraStudent in an Organized Health Care Education/Training Program1992403067

Verify Sein Tun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A24581
    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

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97% fewer Medicare Part D claims than the average nephrology physician in 2024

47 Medicare Part D claims for 15 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Sein Tun47
  2. Specialty average1,465

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: $107.50

4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sein Tun$107.50
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Sein Tun among 1,468 nephrology physician records in California

Sein Tun, DO is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than over 99% of them.

  • NPI issued2023 · over 99% of these records are older, under 1% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileNo · 77% of these records are
  • Record last updated2026 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

The 8 nephrology physician records with the nearest ZIP codes

  1. Mariam Nour EldineLos Angeles, CA 900891851214837
  2. Romela Petrosyan, M.D.Los Angeles, CA 900891689109878
  3. Svetlana VillanoLos Angeles, CA 900891891222618
  4. Suphamai Bunnapradist, M.D.Los Angeles, CA 900951821076639
  5. Gabriel Danovitch, MDLos Angeles, CA 900951750307864
  6. Leslie Dornfeld, MDLos Angeles, CA 900951083649701
  7. Hamid Hajmomenian, MDLos Angeles, CA 900951023036068
  8. David Hartenbower, MDLos Angeles, CA 900951205854809

Common questions

What is Sein Tun, DO's NPI number?

Sein Tun, DO's National Provider Identifier (NPI) is 1003591835, issued on Jun 20, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Sein Tun, DO located?

The NPPES record lists a practice address at 1975 Zonal Ave, Los Angeles, CA, 90089. Phone: (323) 442-1900. Providers update this record themselves, so call before visiting.

How can I verify Sein Tun, DO's license?

NPPES lists California license number 20A24581, 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 Sein Tun, DO prescribe under Medicare Part D?

In 2024, Sein Tun, DO had 47 Medicare Part D claims for 15 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.