NPPES file of Aug 9, 2026

Tanawan Riangwiwat

Cardiovascular Disease Physician · Riverside, CA

Tanawan Riangwiwat is a cardiovascular disease physician with a practice address in Riverside, California, and NPI 1497137921, issued on Jun 20, 2015. Check the license (California A178685, 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
1497137921
Name
Tanawan Riangwiwat
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
A178685 CA
Self-reported in NPPES; status is on the state search
Practice location
6950 Brockton Ave Ste 1, Riverside, CA 92506
Phone
(951) 684-6464
Enumerated
Jun 20, 2015
Record last updated
May 20, 2022
Fax
(951) 684-1312
Medicare enrollment
Enrolled (PECOS I20220902002908); 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 6950 Brockton Ave Ste 1

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

  1. Anas Alameh, MDCardiovascular Disease Physician1508327008

Verify Tanawan Riangwiwat in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A178685
    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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60% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

1,223 Medicare Part D claims for 221 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Tanawan Riangwiwat1,223
  2. Specialty average3,078

Most prescribed

  1. Furosemide97 claims
  2. Metoprolol Succinate95 claims
  3. Eliquis94 claims
  4. Amlodipine Besylate77 claims
  5. Clopidogrel76 claims
  6. Carvedilol74 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score82.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $6,771.78

88 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tanawan Riangwiwat$6,771.78
  2. Specialty average$3,819.56

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

Bills Medicare through one group practice

  1. Inland Empire Cardiovascular Consultants IncSan Bernardino, CA

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

Tanawan Riangwiwat among 2,574 cardiovascular disease physician records in California

Tanawan Riangwiwat is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 86% of them.

  • NPI issued2015 · 86% of these records are older, 12% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2012 · median 1999 among the 1,742 with a school on file
  • Record last updated2022 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in California

There are 2,574 cardiovascular disease physician records in California.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Anas Alameh, MDRiverside, CA 925061508327008
  2. Jatin Amin, MDRiverside, CA 925061720021397
  3. Nader Attia, D.ORiverside, CA 925061871790717
  4. Mimi Biswas, M.D., MHSRiverside, CA 925061518970755
  5. Jeremy Cox, DORiverside, CA 925061972831618
  6. Patrick Hu, M.D., PH.D.Riverside, CA 925061548479074
  7. Samuel Kumar, MDRiverside, CA 925061629050430
  8. Matei Popa-Radu, D.O.Riverside, CA 925061255561726

Common questions

What is Tanawan Riangwiwat's NPI number?

Tanawan Riangwiwat's National Provider Identifier (NPI) is 1497137921, issued on Jun 20, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Tanawan Riangwiwat located?

The NPPES record lists a practice address at 6950 Brockton Ave Ste 1, Riverside, CA, 92506. Phone: (951) 684-6464. Providers update this record themselves, so call before visiting.

How can I verify Tanawan Riangwiwat's license?

NPPES lists California license number A178685, 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 Tanawan Riangwiwat prescribe under Medicare Part D?

In 2024, Tanawan Riangwiwat had 1,223 Medicare Part D claims for 221 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is Tanawan Riangwiwat's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.