What is Ruenn Horng Mah's NPI number?

Ruenn Horng Mah's National Provider Identifier (NPI) is 1548152770, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ruenn Horng Mah's specialty?

Ruenn Horng Mah is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Ruenn Horng Mah located?

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

What is Ruenn Horng Mah's phone number?

The practice phone number listed in the NPPES registry for Ruenn Horng Mah is (212) 746-5454.

Is Ruenn Horng Mah's NPI active?

Yes — Ruenn Horng Mah's NPI (1548152770) is active in the NPPES registry as of the last update on 2025-07-21.

IndividualActive

Ruenn Horng Mah, PA-C

NPI 1548152770 · Physician Assistant · New York, NY

Ruenn Horng Mah, PA-C is a Physician Assistant provider in New York, NY (NPI 1548152770).

Provider details

NPI number: 1548152770
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Credential: PA-C
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Physician AssistantPrimary363A00000X
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Basic profile(48/100 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
83% 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