Katherine Kowalski, N.P.
NPI 1558586859 · Adult Health Nurse Practitioner · New York, NY
Katherine Kowalski, N.P. is a Adult Health Nurse Practitioner provider in New York, NY (NPI 1558586859).
Provider details
- NPI number
- 1558586859
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 301128 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
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
Mailing address
Registry dates
- Enumerated
- 2007-04-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Katherine Kowalski's NPI number?
- Katherine Kowalski's National Provider Identifier (NPI) is 1558586859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Kowalski's specialty?
- Katherine Kowalski is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Kowalski located?
- Katherine Kowalski's practice location on file with NPPES is 525 E 68th St, New York, NY 10021-4870.
- What is Katherine Kowalski's phone number?
- The practice phone number listed in the NPPES registry for Katherine Kowalski is (212) 746-4370.
- Is Katherine Kowalski's NPI active?
- Yes — Katherine Kowalski's NPI (1558586859) 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.