JASON HAAS DO – NPI #1790948008
Internal Medicine
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
JASON HAAS is a physician located in CHESTERFIELD, MO. NPPES has assigned the NPI number 1790948008 to JASON HAAS on July 07, 2008. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207RG0100X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Gastroenterology
The NPI profile was last updated on Jun 08, 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 JASON HAAS below.
NPI Profile for
JASON HAAS
(about 18 years ago)
CHESTERFIELD, MO 63017 Phone: (314) 529-4900 Fax: (314) 434-2679
1 Other location(s):
Chesterfield, MO 63005-4941
Phone: (608) 780-1566
Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.
Identifiers for JASON HAAS
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.
| Description | Issuer | State | Identifier |
|---|---|---|---|
| medicaid | MO | 200015314 | |
| medicaid | MO | 1790948008 |
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 |
|---|---|---|
| 207RG0100X - Internal Medicine / Gastroenterology (Primary) |
MO | 2014006550 |
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.
Additional Information
- Refer to Part B
- Order Durable Medical Equipment
- Refer to Home Health Agency
- Order Power Mobility Devices
JASON HAAS is affiliated with the following medical group(s):
- HOSPITAL
- COX MEDICAL CENTERS3801 SOUTH NATIONAL AVENUE
SPRINGFIELD, MO 65807 - ST LUKES HOSPITAL232 S WOODS MILL RD
CHESTERFIELD, MO 63017
- COX MEDICAL CENTERS3801 SOUTH NATIONAL AVENUE
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