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Nancy Kostelny, LMHC
NPI 1598861221 · Clinical Social Worker · Buffalo, NY
Nancy Kostelny, LMHC is a Clinical Social Worker provider in Buffalo, NY (NPI 1598861221).
Provider details
- NPI number
- 1598861221
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Female
- Sole proprietor
- No
- License
- 000212-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
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
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
3020 Bailey Ave
Buffalo, NY 14215-2814
Phone: (716) 831-1800
Street-level locationGet directions
Mailing address
3821 Teachers Ln Apt 10
Orchard Park, NY 14127-2184
Registry dates
- Enumerated
- 2006-09-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nancy Kostelny's NPI number?
- Nancy Kostelny's National Provider Identifier (NPI) is 1598861221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Kostelny's specialty?
- Nancy Kostelny is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nancy Kostelny located?
- Nancy Kostelny's practice location on file with NPPES is 3020 Bailey Ave, Buffalo, NY 14215-2814.
- What is Nancy Kostelny's phone number?
- The practice phone number listed in the NPPES registry for Nancy Kostelny is (716) 831-1800.
- Is Nancy Kostelny's NPI active?
- Yes — Nancy Kostelny's NPI (1598861221) 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.