Tanawan Riangwiwat
NPI 1497137921 · Cardiovascular Disease Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tanawan Riangwiwat is a Cardiovascular Disease Physician provider in Riverside, CA (NPI 1497137921).
Provider details
- NPI number
- 1497137921
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
832 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 187 | $68 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 156 | $118 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 78 | $185 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 69 | $79 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 58 | $130 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 97 | 38 |
| Metoprolol Succinate | 95 | 45 |
| Apixabanbrand: Eliquis | 94 | 29 |
| Amlodipine Besylate | 77 | 26 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 76 | 27 |
| Carvedilol | 74 | 26 |
| Sacubitril/Valsartanbrand: Entresto |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,772 across 88 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 374 E Vanderbilt Way Ste 1San Bernardino, CA 92408-3593Phone: (909) 881-7400Fax: (909) 881-5217
Registry dates
- Enumerated
- 2015-06-20
- Last updated
- 2022-05-20
- Certified
- 2022-05-20
Frequently asked questions
- What is Tanawan Riangwiwat's NPI number?
- Tanawan Riangwiwat's National Provider Identifier (NPI) is 1497137921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tanawan Riangwiwat's specialty?
- Tanawan Riangwiwat is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Tanawan Riangwiwat located?
- Tanawan Riangwiwat's practice location on file with NPPES is 6950 Brockton Ave Ste 1, Riverside, CA 92506-3830.
- What is Tanawan Riangwiwat's phone number?
- The practice phone number listed in the NPPES registry for Tanawan Riangwiwat is (951) 684-6464.
- Does Tanawan Riangwiwat accept Medicare?
- Tanawan Riangwiwat is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tanawan Riangwiwat's NPI active?
- Yes — Tanawan Riangwiwat's NPI (1497137921) is active in the NPPES registry as of the last update on 2022-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.