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

Jeffrey S Chalfant, DO

Individual provider Psychiatry Physician · NPI 1811935166

Jeffrey S Chalfant, DO is a Psychiatry in Belleville, Illinois. Qualified in 1998, 28 years ago. Practices with Psychiatric Services of Southern Illinois LLC, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
28
Licensed in
IL
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

2900 Frank Scott Pkwy W Ste 990
Belleville, IL 62223-5000
Phone: (618) 236-6501
Fax: (618) 236-6551
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 036-107101 (IL)

Record details

NPI number1811935166
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 2, 2006
Last updated in NPPESJune 15, 2011
Mailing address2900 Frank Scott Pkwy W, Suite 990, Belleville, IL 62223-5000

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Psychiatric Services Of Southern Illinois Llc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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