Jan Iwata, DO
NPI 1922177351 · Public Health & General Preventive Medicine Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Preventive Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jan Iwata, DO is a Public Health & General Preventive Medicine Physician provider in Chicago, IL (NPI 1922177351).
Provider details
- NPI number
- 1922177351
- Entity type
- Individual
- Primary specialty
- Public Health & General Preventive Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- 7541 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
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
- 2006-11-07
- Last updated
- 2014-01-08
Frequently asked questions
- What is Jan Iwata's NPI number?
- Jan Iwata's National Provider Identifier (NPI) is 1922177351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jan Iwata's specialty?
- Jan Iwata is listed in the NPPES registry with a primary specialty of Public Health & General Preventive Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jan Iwata located?
- Jan Iwata's practice location on file with NPPES is 1 E Superior St, Chicago, IL 60611-2507.
- What is Jan Iwata's phone number?
- The practice phone number listed in the NPPES registry for Jan Iwata is (773) 501-7394.
- Does Jan Iwata accept Medicare?
- Jan Iwata is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jan Iwata's NPI active?
- Yes — Jan Iwata's NPI (1922177351) is active in the NPPES registry as of the last update on 2014-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.