What is Willie Grullon's NPI number?

Willie Grullon's National Provider Identifier (NPI) is 1780575043, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Willie Grullon's specialty?

Willie Grullon is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Willie Grullon located?

Willie Grullon's practice location on file with NPPES is 34 W 139th St, New York, NY 10037-1508.

What is Willie Grullon's phone number?

The practice phone number listed in the NPPES registry for Willie Grullon is (212) 582-9100.

Is Willie Grullon's NPI active?

Yes — Willie Grullon's NPI (1780575043) is active in the NPPES registry as of the last update on 2025-07-14.

IndividualActive

Willie Grullon

NPI 1780575043 · Registered Nurse · New York, NY

Willie Grullon is a Registered Nurse provider in New York, NY (NPI 1780575043).

Provider details

NPI number: 1780575043
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Sex: Male
Sole proprietor: Yes
License: 987183 (NY)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 987183 (NY)
Nursing Service Providers

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

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

34 W 139th St

New York, NY 10037-1508

Phone: (212) 582-9100

Street-level locationGet directions

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Mailing address