What is Ellen Tsai's NPI number?

Ellen Tsai's National Provider Identifier (NPI) is 1578405460, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ellen Tsai's specialty?

Ellen Tsai is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).

Where is Ellen Tsai located?

Ellen Tsai's practice location on file with NPPES is 65 W 83rd St Apt 2, New York, NY 10024-5237.

What is Ellen Tsai's phone number?

The practice phone number listed in the NPPES registry for Ellen Tsai is (914) 319-5202.

Is Ellen Tsai's NPI active?

Yes — Ellen Tsai's NPI (1578405460) is active in the NPPES registry as of the last update on 2026-04-08.

IndividualActive

Ellen Tsai

NPI 1578405460 · Mental Health Counselor · New York, NY

Ellen Tsai is a Mental Health Counselor provider in New York, NY (NPI 1578405460).

Provider details

NPI number: 1578405460
Entity type: Individual
Primary specialty: Mental Health CounselorBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Mental Health CounselorPrimary101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 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

65 W 83rd St Apt 2

New York, NY 10024-5237

Phone: (914) 319-5202

Street-level locationGet directions

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Mailing address