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

Lauren Rae Counts, MD

Individual provider Internal Medicine Physician · NPI 1255741351

Lauren Rae Counts, MD is an Internal Medicine in Washington, Missouri. Graduated from Saint Louis University School of Medicine in 2014, 12 years ago. Practices with Mercy Clinic Adult Hospitalists - St Louis, LLC, a 141-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
12
Trained at
Saint Louis University School of Medicine
Licensed in
MO
In the registry since
2014
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

901 E 5th St
Washington, MO 63090-3127
Phone: (636) 239-8231
Fax: (636) 390-7365
Show map & directions

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

Additional practice locations (3)

  • 1400 Us Highway 61, Festus, MO 63028-4100 — (636) 933-5337
  • 10010 Kennerly Rd, Saint Louis, MO 63128-2106 — (314) 525-1328
  • 615 S New Ballas Rd, Saint Louis, MO 63141-8221 — (314) 251-6339

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2017018129 (MO)

Record details

NPI number1255741351
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 29, 2014
Last updated in NPPESSeptember 11, 2025
Certification dateSeptember 11, 2025
Mailing address901 E 5th St, Washington, MO 63090-3127

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Mercy Clinic Adult Hospitalists - St. Louis, Llc — 141 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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