Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Ronald J Stewart, DO

Individual provider Cardiovascular Disease Physician · NPI 1801889654

Dr. Ronald J Stewart, DO is an Internal Medicine in Bloomfield Hills, Michigan. Qualified in 1965, 61 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
61
Licensed in
MI
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

43494 Woodward Ave Ste 100
Bloomfield Hills, MI 48302-5052
Phone: (248) 218-0601
Fax: (248) 693-3683
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence RS005546 (MI)

Record details

NPI number1801889654
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedAugust 26, 2005
Last updated in NPPESMay 7, 2026
Certification dateMay 7, 2026
Mailing address1428 S Lapeer Rd, Lake Orion, MI 48360-1437

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 1965 (61 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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