Ilona Grebska Stefaniak
NPI 1033313150 · Mental Health Counselor · New York, NY
Ilona Grebska Stefaniak is a Mental Health Counselor provider in New York, NY (NPI 1033313150).
Provider details
- NPI number
- 1033313150
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
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
19 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
- 2007-06-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ilona Grebska Stefaniak's NPI number?
- Ilona Grebska Stefaniak's National Provider Identifier (NPI) is 1033313150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ilona Grebska Stefaniak's specialty?
- Ilona Grebska Stefaniak is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Ilona Grebska Stefaniak located?
- Ilona Grebska Stefaniak's practice location on file with NPPES is 57 Saint Marks Pl, New York, NY 10003-7902.
- What is Ilona Grebska Stefaniak's phone number?
- The practice phone number listed in the NPPES registry for Ilona Grebska Stefaniak is (212) 982-3470.
- Is Ilona Grebska Stefaniak's NPI active?
- Yes — Ilona Grebska Stefaniak's NPI (1033313150) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.