What is Marlon Sim's NPI number?

Marlon Sim's National Provider Identifier (NPI) is 1013859313, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marlon Sim's specialty?

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

Where is Marlon Sim located?

Marlon Sim's practice location on file with NPPES is 525 E 68th St, New York, NY 10065-4870.

What is Marlon Sim's phone number?

The practice phone number listed in the NPPES registry for Marlon Sim is (212) 746-5454.

Is Marlon Sim's NPI active?

Yes — Marlon Sim's NPI (1013859313) is active in the NPPES registry as of the last update on 2026-04-07.

IndividualActive

Marlon Sim

NPI 1013859313 · Registered Nurse · New York, NY

Marlon Sim is a Registered Nurse provider in New York, NY (NPI 1013859313).

Provider details

NPI number: 1013859313
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Sex: Male
Sole proprietor: No
License: 694193 (NY)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 694193 (NY)
Nursing Service Providers

Profile Score

Established profile(53/100 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

525 E 68th St

New York, NY 10065-4870

Phone: (212) 746-5454

Street-level locationGet directions

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Mailing address