Jeffrey Mjaanes, MD
NPI 1083641427 · Pediatric Sports Medicine Physician · Chicago, IL
Jeffrey Mjaanes, MD is a Pediatric Sports Medicine Physician provider in Chicago, IL (NPI 1083641427).
Provider details
- NPI number
- 1083641427
- Entity type
- Individual
- Primary specialty
- Pediatric Sports Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036107254 (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
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
- 2006-06-28
- Last updated
- 2012-09-18
Frequently asked questions
- What is Jeffrey Mjaanes's NPI number?
- Jeffrey Mjaanes's National Provider Identifier (NPI) is 1083641427, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Mjaanes's specialty?
- Jeffrey Mjaanes is listed in the NPPES registry with a primary specialty of Pediatric Sports Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Mjaanes located?
- Jeffrey Mjaanes's practice location on file with NPPES is 1611 W Harrison St, Chicago, IL 60612-3841.
- What is Jeffrey Mjaanes's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Mjaanes is (312) 243-4244.
- Is Jeffrey Mjaanes's NPI active?
- Yes — Jeffrey Mjaanes's NPI (1083641427) is active in the NPPES registry as of the last update on 2012-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.