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

Richard John Flanigan, MD

Individual provider Cardiovascular Disease Physician · NPI 1912973009

Richard John Flanigan, MD is a Cardiovascular Disease (Cardiology) in Denver, Colorado. Graduated from Jefferson Medical College of Thomas Jefferson University in 1968, 58 years ago. Practices with Healthone Heart Care LLC, a 48-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
58
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
CO
In the registry since
2006
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

1601 E 19th Ave Ste 5000
Denver, CO 80218-1254
Phone: (303) 839-7100
Fax: (303) 839-7249
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence DR.0018128 (CO)

Record details

NPI number1912973009
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 27, 2006
Last updated in NPPESJanuary 28, 2020
Certification dateJanuary 28, 2020
Mailing address1601 E 19th Ave Ste 5000, Denver, CO 80218-1254

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE, PREVENTIVE MEDICINE
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 1968 (58 years in practice)
Group practice Healthone Heart Care Llc — 48 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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