What is Giacomo Waller's NPI number?

Giacomo Waller's National Provider Identifier (NPI) is 1801391438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Giacomo Waller's specialty?

Giacomo Waller is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).

Where is Giacomo Waller located?

Giacomo Waller's practice location on file with NPPES is 19 E 98th St, 7th Fl, Ny, NY 10029-6574.

What is Giacomo Waller's phone number?

The practice phone number listed in the NPPES registry for Giacomo Waller is (212) 241-0949.

Does Giacomo Waller accept Medicare?

Giacomo Waller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Giacomo Waller's NPI active?

Yes — Giacomo Waller's NPI (1801391438) is active in the NPPES registry as of the last update on 2023-07-23.

IndividualActiveAccepts Medicare

Giacomo Waller, MD

NPI 1801391438 · Surgery Physician · Ny, NY

Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Giacomo Waller, MD is a Surgery Physician provider in Ny, NY (NPI 1801391438).

Provider details

NPI number: 1801391438
Entity type: Individual
Primary specialty: Surgery PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 125.077143 (IL)

Specialties & taxonomies

Surgery PhysicianPrimary208600000XLicense 322610 (NY)
Allopathic & Osteopathic Physicians
Surgery Physician208600000XLicense 125.077143 (IL)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000XLicense 125.077143 (IL)
Student, Health Care
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Detailed profile(77/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
8 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
3 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

19 E 98th St, 7th Fl

Ste A, Box #1259

Ny, NY 10029-6574

Phone: (212) 241-0949

Fax: (212) 534-2654

Street-level locationGet directions

More NY providers

Mailing address

19 E 98th St, 7th Fl

Ny, NY 10029-6574

Additional practice locations (2)

1364 Clifton Rd Ne Ste H100
Atlanta, GA 30322-1059
Phone: (404) 727-0093
Fax: (404) 712-0561
2160 S 1st Ave Ste 2840
Maywood, IL 60153-3328
Phone: (708) 216-4533

Enumerated: 2018-03-26
Last updated: 2023-07-23
Certified: 2023-07-23

Frequently asked questions

What is Giacomo Waller's NPI number?: Giacomo Waller's National Provider Identifier (NPI) is 1801391438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Giacomo Waller's specialty?: Giacomo Waller is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
Where is Giacomo Waller located?: Giacomo Waller's practice location on file with NPPES is 19 E 98th St, 7th Fl, Ny, NY 10029-6574.
What is Giacomo Waller's phone number?: The practice phone number listed in the NPPES registry for Giacomo Waller is (212) 241-0949.
Does Giacomo Waller accept Medicare?: Giacomo Waller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Giacomo Waller's NPI active?: Yes — Giacomo Waller's NPI (1801391438) is active in the NPPES registry as of the last update on 2023-07-23.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.