National Provider Identifier Database

BARRETT J WALLIS, MD – NPI #1740220938
Gastroenterology

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.


Contact Information

BARRETT J WALLIS, MD
6152 W CORPORATE OAKS DR
CRYSTAL RIVER, FL34429-8722
Phone: 352-564-3900
Fax: 352-564-3906
Website:
Specialty Taxonomy Code
* Gastroenterology 207RG0100X

* Indicates primary specialty

NPI Profile & details for BARRETT J WALLIS

NPI Number 1740220938
Credentials MD
Entity Individual
Enumeration date 06/07/2006
Last updated 10/10/2024 - More than a year ago
Sole proprietor1 Yes
Identifiers
  • FL License #: ME48685
  • OH License #: 35.088718
  • FL Medicaid: 001690000
  • FL Other: 333619 AVMED
  • FL Other: 146VV BCBS OF FLORIDA
  • NY Other: 1299092 GHI GROUP HEALTH INC
  • NY Other: 12042524 MULTIPLAN
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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