AJAY K. CHALASANI MD – NPI #1487760385
Anesthesiology

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Health Care Provider Taxonomy Code for Anesthesiology

AJAY CHALASANI is an anesthesiologist located in O'FALLON, MO. NPPES has assigned the NPI number 1487760385 to AJAY CHALASANI on August 22, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207L00000X from the Health Care Provider Taxonomy code set, which is classified as Anesthesiology.

The NPI profile was last updated on Apr 15, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for AJAY CHALASANI below.

NPI Profile for
AJAY K. CHALASANI

NPI Number
1487760385
Enumeration Date

(about 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
AJAY K. CHALASANI
Credentials
MD
Primary location
2 PROGRESS POINT PKWY
DEPT ANESTHESIOLOGY
O'FALLON, MO 63368-2205
Phone: (800) 862-9980 Fax: (314) 362-1185
Mailing address
PO BOX 7412011
CHICAGO, IL 60674-2011
Phone: (800) 862-9980 Fax: (314) 362-1185
Sole Proprietor
No
Updated
Identifiers

Identifiers for AJAY CHALASANI

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
medicaidMO208399212
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207L00000X
- Anesthesiology (Primary)		 MO 2002019228

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

Endpoint
https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Endpoint type
FHIR URL
Endpoint Description
Content Type
Affiliation
Y
Endpoint Location
2 PROGRESS POINT PKWY,
O FALLON, MO 77025-1669

Additional Information

Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
AJAY CHALASANI is affiliated with the following medical group(s):
  • HOSPITAL
    • SSM ST JOSEPH HEALTH CENTER
      300 1ST CAPITOL DR
      SAINT CHARLES, MO 63301
    • SSM ST JOSEPH HOSPITAL WEST
      100 MEDICAL PLAZA
      LAKE SAINT LOUIS, MO 63367

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.