Ronald Stewart, D.O.
NPI 1801889654 · Cardiovascular Disease Physician · Bloomfield Hills, MI
Ronald Stewart, D.O. is a Cardiovascular Disease Physician provider in Bloomfield Hills, MI (NPI 1801889654).
Provider details
- NPI number
- 1801889654
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- RS005546 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
651 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 269 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 134 | $91 |
| Technetium Tc-99m Tetrofosmin, Diagnostic, Per Study DoseA9502 | 68 | $109 |
| Nuclear Medicine Studies of Heart Muscle at Rest and With Stress and Spect78452 | 34 | $420 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision and Review By Physician93015 | 34 | $62 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 197 | 53 |
| Atorvastatin Calcium | 186 | 54 |
| Levothyroxine Sodium | 143 | 37 |
| Metoprolol Succinate | 123 | 33 |
| Amlodipine Besylate | 119 | 33 |
| Simvastatin | 116 | 33 |
| Apixabanbrand: Eliquis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$402 across 20 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
- 2005-08-26
- Last updated
- 2026-05-07
- Certified
- 2026-05-07
Frequently asked questions
- What is Ronald Stewart's NPI number?
- Ronald Stewart's National Provider Identifier (NPI) is 1801889654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Stewart's specialty?
- Ronald Stewart is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Stewart located?
- Ronald Stewart's practice location on file with NPPES is 43494 Woodward Ave Ste 100, Bloomfield Hills, MI 48302-5052.
- What is Ronald Stewart's phone number?
- The practice phone number listed in the NPPES registry for Ronald Stewart is (248) 218-0601.
- Is Ronald Stewart's NPI active?
- Yes — Ronald Stewart's NPI (1801889654) is active in the NPPES registry as of the last update on 2026-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.