Ronald Witteles, MD
NPI 1285779389 · Advanced Heart Failure and Transplant Cardiology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Witteles, MD is a Advanced Heart Failure and Transplant Cardiology Physician provider in Stanford, CA (NPI 1285779389).
Provider details
- NPI number
- 1285779389
- Entity type
- Individual
- Primary specialty
- Advanced Heart Failure and Transplant Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A76510 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
946 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 141 | $164 |
| Evaluation of Single, Dual, Or Multiple Lead Implantable Defibrillator System, Remote Up to 90 Days93295 | 127 | $41 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 127 | $129 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 125 | $110 |
| Critical Care, First 30-74 Minutes99291 | 63 | $228 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tafamidisbrand: Vyndamax | 621 | 64 |
| Empagliflozinbrand: Jardiance | 339 | 94 |
| Spironolactone | 313 | 97 |
| Apixabanbrand: Eliquis | 250 | 65 |
| Carvedilol | 249 | 76 |
| Furosemide | 249 | 73 |
| Metoprolol Succinate | 183 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$51,656 across 30 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
Registry dates
- Enumerated
- 2007-02-20
- Last updated
- 2024-04-26
- Certified
- 2024-04-26
Frequently asked questions
- What is Ronald Witteles's NPI number?
- Ronald Witteles's National Provider Identifier (NPI) is 1285779389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Witteles's specialty?
- Ronald Witteles is listed in the NPPES registry with a primary specialty of Advanced Heart Failure and Transplant Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Witteles located?
- Ronald Witteles's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Ronald Witteles's phone number?
- The practice phone number listed in the NPPES registry for Ronald Witteles is (650) 723-4000.
- Does Ronald Witteles accept Medicare?
- Ronald Witteles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Witteles's NPI active?
- Yes — Ronald Witteles's NPI (1285779389) is active in the NPPES registry as of the last update on 2024-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.