IndividualActive
Heidi Sadowsky, RN
NPI 1003766759 · Oncology Registered Nurse · New York, NY
Heidi Sadowsky, RN is a Oncology Registered Nurse provider in New York, NY (NPI 1003766759).
Provider details
- NPI number
- 1003766759
- Entity type
- Individual
- Primary specialty
- Oncology Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 603858 (NY)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(53/100 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
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
300 E 66th St
New York, NY 10065-6800
Phone: (646) 888-4891
Fax: (646) 888-4917
Street-level locationGet directions
Mailing address
230 E 71st St Apt 5e
New York, NY 10021-5111
Registry dates
- Enumerated
- 2026-02-02
- Last updated
- 2026-02-02
- Certified
- 2026-02-02
Frequently asked questions
- What is Heidi Sadowsky's NPI number?
- Heidi Sadowsky's National Provider Identifier (NPI) is 1003766759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heidi Sadowsky's specialty?
- Heidi Sadowsky is listed in the NPPES registry with a primary specialty of Oncology Registered Nurse (Nursing Service Providers).
- Where is Heidi Sadowsky located?
- Heidi Sadowsky's practice location on file with NPPES is 300 E 66th St, New York, NY 10065-6800.
- What is Heidi Sadowsky's phone number?
- The practice phone number listed in the NPPES registry for Heidi Sadowsky is (646) 888-4891.
- Is Heidi Sadowsky's NPI active?
- Yes — Heidi Sadowsky's NPI (1003766759) is active in the NPPES registry as of the last update on 2026-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.