Cynthia Ambler, MD
NPI 1255479523 · Pediatrics Physician · Glen Ellyn, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Ambler, MD is a Pediatrics Physician provider in Glen Ellyn, IL (NPI 1255479523).
Provider details
- NPI number
- 1255479523
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036093463 (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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 55 E Loop Rd#301Wheaton, IL 60187Phone: (630) 690-7300
- 55 E Loop Rd#301Wheaton, IL 60187Phone: (630) 690-7300
Registry dates
- Enumerated
- 2007-02-01
- Last updated
- 2018-03-17
Frequently asked questions
- What is Cynthia Ambler's NPI number?
- Cynthia Ambler's National Provider Identifier (NPI) is 1255479523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Ambler's specialty?
- Cynthia Ambler is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Ambler located?
- Cynthia Ambler's practice location on file with NPPES is 885 Roosevelt Rd, Glen Ellyn, IL 60137-6141.
- What is Cynthia Ambler's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Ambler is (630) 790-1555.
- Does Cynthia Ambler accept Medicare?
- Cynthia Ambler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Ambler's NPI active?
- Yes — Cynthia Ambler's NPI (1255479523) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.