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

Dr. Michael Ryan Klein, MD

Individual provider Internal Medicine Physician · NPI 1871756379

Dr. Michael Ryan Klein, MD is a Cardiovascular Disease (Cardiology) in Saint Louis, Missouri. Graduated from Washington University School of Medicine in 2008, 18 years ago. Practices with Physician Groups Lc, a 524-clinician group and accepts Medicare assignment. Licensed in Illinois and Missouri.

Years since qualifying
18
Trained at
Washington University School of Medicine
Licensed in
IL, MO
In the registry since
2008
Specialties on file
2
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

3023 N Ballas Rd Ste 200D
Saint Louis, MO 63131-2328
Phone: (314) 996-7272
Fax: (314) 996-6785
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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 2015011524 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125054425 (IL)

Record details

NPI number1871756379
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 3, 2008
Last updated in NPPESMarch 12, 2021
Certification dateMarch 12, 2021

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Physician Groups Lc — 524 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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