Natasha Spiezia, MD
NPI 1437729217 · Obstetrics & Gynecology Physician · Rockford, IL
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natasha Spiezia, MD is a Obstetrics & Gynecology Physician provider in Rockford, IL (NPI 1437729217).
Provider details
- NPI number
- 1437729217
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 036176101 (IL)
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
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 615 S New Ballas RdSaint Louis, MO 63141-8221Phone: (314) 251-6062
Registry dates
- Enumerated
- 2021-06-25
- Last updated
- 2025-11-17
- Certified
- 2025-11-17
Frequently asked questions
- What is Natasha Spiezia's NPI number?
- Natasha Spiezia's National Provider Identifier (NPI) is 1437729217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natasha Spiezia's specialty?
- Natasha Spiezia is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Natasha Spiezia located?
- Natasha Spiezia's practice location on file with NPPES is 3505 N Bell School Rd, Rockford, IL 61114-6624.
- What is Natasha Spiezia's phone number?
- The practice phone number listed in the NPPES registry for Natasha Spiezia is (779) 696-0300.
- Does Natasha Spiezia accept Medicare?
- Natasha Spiezia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natasha Spiezia's NPI active?
- Yes — Natasha Spiezia's NPI (1437729217) is active in the NPPES registry as of the last update on 2025-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.