Mark Adler, MD
NPI 1851341119 · Pediatric Emergency Medicine (Pediatrics) Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Adler, MD is a Pediatric Emergency Medicine (Pediatrics) Physician provider in Chicago, IL (NPI 1851341119).
Provider details
- NPI number
- 1851341119
- Entity type
- Individual
- Primary specialty
- Pediatric Emergency Medicine (Pediatrics) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036104930 (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
20 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
- 2006-05-10
- Last updated
- 2019-04-25
Frequently asked questions
- What is Mark Adler's NPI number?
- Mark Adler's National Provider Identifier (NPI) is 1851341119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Adler's specialty?
- Mark Adler is listed in the NPPES registry with a primary specialty of Pediatric Emergency Medicine (Pediatrics) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Adler located?
- Mark Adler's practice location on file with NPPES is 225 E Chicago Ave # 62, Chicago, IL 60611-2991.
- What is Mark Adler's phone number?
- The practice phone number listed in the NPPES registry for Mark Adler is (312) 227-6080.
- Does Mark Adler accept Medicare?
- Mark Adler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Adler's NPI active?
- Yes — Mark Adler's NPI (1851341119) is active in the NPPES registry as of the last update on 2019-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.