Ronald J. Stewart, D.O.
Cardiovascular Disease Physician · Bloomfield Hills, MI
Ronald J. Stewart, D.O. is a cardiovascular disease physician with a practice address in Bloomfield Hills, Michigan, and NPI 1801889654, issued on Aug 26, 2005. Check the license (Michigan RS005546, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ronald J. Stewart
- Credential
- D.O.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- RS005546 MI
Self-reported in NPPES; status is on the state search - Practice location
- 43494 Woodward Ave Ste 100, Bloomfield Hills, MI 48302
- Phone
- (248) 218-0601
- Enumerated
- Aug 26, 2005
- Record last updated
- May 7, 2026
- Fax
- (248) 693-3683
- Medicaid ID
- 1006386 MI
- Medicare enrollment
- Enrolled (PECOS I20080429000277); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 860 in Michigan → Look up another NPI →
Verify Ronald J. Stewart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license RS005546Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average cardiovascular disease physician in 2024
3,614 Medicare Part D claims for 180 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Losartan Potassium197 claims
- Atorvastatin Calcium186 claims
- Levothyroxine Sodium143 claims
- Metoprolol Succinate123 claims
- Amlodipine Besylate119 claims
- Simvastatin116 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): 74.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $402.13
20 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ronald J. Stewart among 860 cardiovascular disease physician records in Michigan
Ronald J. Stewart, D.O. is one of 860 cardiovascular disease physician records with a practice address in Michigan. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 80% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1965 · median 1999 among the 606 with a school on file
- Record last updated2026 · 59% 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 Michigan 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 Michigan
There are 860 cardiovascular disease physician records in Michigan.
All 860 in Michigan → Every provider in Bloomfield Hills → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Fuad Khazneh-Katbi, M.D.Bloomfield Hills, MI 483021518019264
- Michele Degregorio, M.D.Bloomfield Hills, MI 483041306808175
- Abdul Halabi, M.D.Bloomfield Hills, MI 483041992767578
- Stacy Loree, D.O.Bloomfield Hills, MI 483041740577790
- Bruce Miller, M.D.Bloomfield Hills, MI 483041689638694
- Kiritkumar Patel, M.D.Bloomfield Hills, MI 483041003871294
- Anjani Rao, MDBloomfield Hills, MI 483041932311867
- Reema Siddiqui, MDBloomfield Hills, MI 483041538725650
Common questions
What is Ronald J. Stewart, D.O.'s NPI number?
Ronald J. Stewart, D.O.'s National Provider Identifier (NPI) is 1801889654, issued on Aug 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald J. Stewart, D.O. located?
The NPPES record lists a practice address at 43494 Woodward Ave Ste 100, Bloomfield Hills, MI, 48302. Phone: (248) 218-0601. Providers update this record themselves, so call before visiting.
How can I verify Ronald J. Stewart, D.O.'s license?
NPPES lists Michigan license number RS005546, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ronald J. Stewart, D.O. prescribe under Medicare Part D?
In 2024, Ronald J. Stewart, D.O. had 3,614 Medicare Part D claims for 180 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Ronald J. Stewart, D.O.'s MIPS final score?
The 2023 MIPS final score is 74.4 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.