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

Ritchie Leonard Ambroise, MD

Individual provider Hospitalist Physician · NPI 1255718045

Ritchie Leonard Ambroise, MD is an Internal Medicine in Hollywood, Florida. Qualified in 2015, 11 years ago. Practices with Oak Grove Physician Services PA, a 70-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Florida and Illinois.

Years since qualifying
11
Licensed in
FL, IL
In the registry since
2015
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3501 Johnson St
Hollywood, FL 33021-5421
Phone: (354) 265-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 20201 Crawford Ave, Olympia Fields, IL 60461-1010 — (317) 528-4248

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence ME145468 (FL)
Hospitalist Physician Taxonomy 208M00000X · Licence 036144535 (IL)
Family Medicine Physician Taxonomy 207Q00000X · Licence 036144535 (IL)

Record details

NPI number1255718045
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 30, 2015
Last updated in NPPESFebruary 7, 2023
Certification dateFebruary 7, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Oak Grove Physician Services Pa — 70 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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