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

Dr. Alan Robert Felthous, MD

Individual provider Psychiatry Physician · NPI 1164410502

Dr. Alan Robert Felthous, MD is a Psychiatry in Chester, Illinois. Graduated from University of Louisville School of Medicine in 1971, 55 years ago. Practices with SSM Health Care Group, a 923-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
55
Trained at
University of Louisville School of Medicine
Licensed in
IL
In the registry since
2005
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

1315 Lehmen Dr
Chester, IL 62233-2542
Phone: (618) 826-4571
Fax: (618) 826-3229
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X (IL)

Record details

NPI number1164410502
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 10, 2005
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF LOUISVILLE SCHOOL OF MEDICINE
Graduated 1971 (55 years in practice)
Group practice Ssm Health Care Group — 923 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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