Michael Obrien, MD
NPI 1285628875 · Pediatrics Physician · Arlington Heights, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Obrien, MD is a Pediatrics Physician provider in Arlington Heights, IL (NPI 1285628875).
Provider details
- NPI number
- 1285628875
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036095367 (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
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
- 2005-09-09
- Last updated
- 2023-07-02
- Certified
- 2023-07-02
Frequently asked questions
- What is Michael Obrien's NPI number?
- Michael Obrien's National Provider Identifier (NPI) is 1285628875, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Obrien's specialty?
- Michael Obrien is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Obrien located?
- Michael Obrien's practice location on file with NPPES is 723 N Highland Avenue, Arlington Heights, IL 60004.
- What is Michael Obrien's phone number?
- The practice phone number listed in the NPPES registry for Michael Obrien is (847) 287-7983.
- Does Michael Obrien accept Medicare?
- Michael Obrien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Obrien's NPI active?
- Yes — Michael Obrien's NPI (1285628875) is active in the NPPES registry as of the last update on 2023-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.