Esther Zack, M.A.
NPI 1558850636 · Marriage & Family Therapist · Portland, OR
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Esther Zack, M.A. is a Marriage & Family Therapist provider in Portland, OR (NPI 1558850636).
Provider details
- NPI number
- 1558850636
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- M.A.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Profile Score
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
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
Mailing address
Registry dates
- Enumerated
- 2018-05-04
- Last updated
- 2023-09-29
- Certified
- 2023-09-29
Frequently asked questions
- What is Esther Zack's NPI number?
- Esther Zack's National Provider Identifier (NPI) is 1558850636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Esther Zack's specialty?
- Esther Zack is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Esther Zack located?
- Esther Zack's practice location on file with NPPES is 2368 Sw Vermont St, Portland, OR 97219-9439.
- What is Esther Zack's phone number?
- The practice phone number listed in the NPPES registry for Esther Zack is (503) 853-9681.
- Does Esther Zack accept Medicare?
- Esther Zack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Esther Zack's NPI active?
- Yes — Esther Zack's NPI (1558850636) is active in the NPPES registry as of the last update on 2023-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.