Individual Healthcare Provider
Giacomo Colver Waller, MD
Provider's NPPES record last updated: July 23, 2023
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1801391438
- Primary Specialty
- Surgery
- Practice Location
- Ny, New York
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 21, 2026, 3:52 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Surgery
Allopathic & Osteopathic Physicians
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Taxonomy code 208600000X Student in an Organized Health Care Education/Training Program
Student, Health Care
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Taxonomy code 390200000X
Provider-Reported License Information
- Surgery (New York)
- 322610
- Surgery (Illinois)
- 125.077143
- Student in an Organized Health Care Education/Training Program (Illinois)
- 125.077143
Practice Locations
Practice Location
19 E 98th St, 7th Fl
Ste a, Box #1259
Ny, New York 10029-6574
Phone: (212) 241-0949
Additional Practice Location
2160 S 1st Ave Ste 2840
Maywood, Illinois 60153-3328
Phone: (708) 216-4533
Additional Practice Location
1364 Clifton Rd Ne Ste H100
Atlanta, Georgia 30322-1059
Phone: (404) 727-0093
Fax: (404) 712-0561
Record Information
- Enumeration Date
- March 26, 2018
- Provider's NPPES Record Last Updated
- July 23, 2023
- Certification Date
- July 23, 2023
- NPISignal NPPES Dataset
- August 2026
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