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

Dr. Ajay K Chalasani, MD

Individual provider Anesthesiology Physician · NPI 1487760385

Dr. Ajay K Chalasani, MD is an Anesthesiology in O Fallon, Missouri. Qualified in 1999, 27 years ago. Practices with Metro-West Anesthesia Group Inc, a 205-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
27
Licensed in
MO
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

2 Progress Point Pkwy Dept Anesthesiology
O Fallon, MO 63368-2205
Phone: (800) 862-9980
Fax: (314) 362-1185
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 2002019228 (MO)

Record details

NPI number1487760385
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 22, 2006
Last updated in NPPESApril 15, 2025

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Metro-West Anesthesia Group Inc — 205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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