Annais Santiago, MD
NPI 1548798911 · Pediatrics Physician · Downers Grove, IL
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annais Santiago, MD is a Pediatrics Physician provider in Downers Grove, IL (NPI 1548798911).
Provider details
- NPI number
- 1548798911
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 125070355 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2017-05-30
- Last updated
- 2023-08-18
- Certified
- 2023-08-18
Frequently asked questions
- What is Annais Santiago's NPI number?
- Annais Santiago's National Provider Identifier (NPI) is 1548798911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annais Santiago's specialty?
- Annais Santiago is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Annais Santiago located?
- Annais Santiago's practice location on file with NPPES is 5207 Main St, Downers Grove, IL 60515-4652.
- What is Annais Santiago's phone number?
- The practice phone number listed in the NPPES registry for Annais Santiago is (630) 964-6049.
- Does Annais Santiago accept Medicare?
- Annais Santiago is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annais Santiago's NPI active?
- Yes — Annais Santiago's NPI (1548798911) is active in the NPPES registry as of the last update on 2023-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.