NPPES file of Aug 9, 2026

Nattapaun Natty Thepyasuwan, D.O.

Internal Medicine Physician · Los Angeles, CA

Nattapaun Natty Thepyasuwan, D.O. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1396050746, issued on Aug 10, 2010. Check the license (California 20A11922, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396050746
Name
Nattapaun Natty Thepyasuwan
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20A11922 CA
Self-reported in NPPES; status is on the state search
Practice location
2070 Century Park E, Los Angeles, CA 90067
Phone
(424) 522-7100
Enumerated
Aug 10, 2010
Record last updated
May 20, 2025
Fax
(424) 522-7234
Medicare enrollment
Enrolled (PECOS I20121001000402); accepts Medicare assignment
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 2070 Century Park E

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

  1. Mark Aminzadeh, MDInternal Medicine Physician1184070427
  2. Angelica Rose AmponinPhysical Therapist1710644430
  3. Rajsavi Anand, MDInternal Medicine Physician1295358950
  4. Brigitte Baker, OTD, OTR/L, CPAMNeurorehabilitation Occupational Therapist1003743345
  5. Steven Berlin, MDAnesthesiology Physician1790773398
  6. Emily Bonin, DPTPhysical Therapist1164099099

Verify Nattapaun Natty Thepyasuwan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A11922
    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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72% fewer Medicare Part D claims than the average internal medicine physician in 2024

881 Medicare Part D claims for 215 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 31 claims were for opioids.

  1. Nattapaun Thepyasuwan881
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium38 claims
  2. Carvedilol38 claims
  3. Eliquis29 claims
  4. Pantoprazole Sodium26 claims
  5. Furosemide25 claims
  6. Metformin Hcl22 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.

The MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.1
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupPanorama City, CA

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

1,423 internal medicine physician records list a practice address in Los Angeles

They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Nattapaun Natty Thepyasuwan, D.O.'s NPI number?

Nattapaun Natty Thepyasuwan, D.O.'s National Provider Identifier (NPI) is 1396050746, issued on Aug 10, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Nattapaun Natty Thepyasuwan, D.O. located?

The NPPES record lists a practice address at 2070 Century Park E, Los Angeles, CA, 90067. Phone: (424) 522-7100. Providers update this record themselves, so call before visiting.

How can I verify Nattapaun Natty Thepyasuwan, D.O.'s license?

NPPES lists California license number 20A11922, 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 Nattapaun Natty Thepyasuwan, D.O. prescribe under Medicare Part D?

In 2024, Nattapaun Natty Thepyasuwan, D.O. had 881 Medicare Part D claims for 215 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Nattapaun Natty Thepyasuwan, D.O.'s MIPS final score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.