National Provider Identifier Database

ALEXANDRA GUILLAUME, MD – NPI #1396981197
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

ALEXANDRA GUILLAUME, MD
3 TECHNOLOGY DR
EAST SETAUKET, NY11733-4064
Phone: 631-444-5220
Fax: 631-444-5225
Website:
Specialty Taxonomy Code
* Gastroenterology 207RG0100X
Student in an Organized Health Care Education/Training Program 390200000X

* Indicates primary specialty

NPI Profile & details for ALEXANDRA GUILLAUME

NPI Number 1396981197
Credentials MD
Entity Individual
Enumeration date 12/29/2008
Last updated 06/30/2023 - About 3 years ago
Sole proprietor1 No
Identifiers
  • NY License #: 254256
  • WI License #: 100756
  • WI Medicaid: 100241776
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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