Marcia Siegal
NPI 1205090552 · Obstetrics & Gynecology Physician · Addison, IL
Marcia Siegal is a Obstetrics & Gynecology Physician provider in Addison, IL (NPI 1205090552).
Provider details
- NPI number
- 1205090552
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 036-05556 (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
17 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
- 2008-07-16
- Last updated
- 2008-07-16
Frequently asked questions
- What is Marcia Siegal's NPI number?
- Marcia Siegal's National Provider Identifier (NPI) is 1205090552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcia Siegal's specialty?
- Marcia Siegal is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Marcia Siegal located?
- Marcia Siegal's practice location on file with NPPES is 240 E Lake St, Addison, IL 60101-2890.
- What is Marcia Siegal's phone number?
- The practice phone number listed in the NPPES registry for Marcia Siegal is (630) 941-9344.
- Is Marcia Siegal's NPI active?
- Yes — Marcia Siegal's NPI (1205090552) is active in the NPPES registry as of the last update on 2008-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.