Katie Sionov, M.D.
NPI 1033499181 · Pediatrics Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katie Sionov, M.D. is a Pediatrics Physician provider in Brooklyn, NY (NPI 1033499181).
Provider details
- NPI number
- 1033499181
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 264042 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2011-08-22
- Last updated
- 2012-04-05
Frequently asked questions
- What is Katie Sionov's NPI number?
- Katie Sionov's National Provider Identifier (NPI) is 1033499181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katie Sionov's specialty?
- Katie Sionov is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Katie Sionov located?
- Katie Sionov's practice location on file with NPPES is 1407 W 6th St, Brooklyn, NY 11204-4802.
- What is Katie Sionov's phone number?
- The practice phone number listed in the NPPES registry for Katie Sionov is (718) 236-6994.
- Does Katie Sionov accept Medicare?
- Katie Sionov is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katie Sionov's NPI active?
- Yes — Katie Sionov's NPI (1033499181) is active in the NPPES registry as of the last update on 2012-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.