Mary Arlandson, D.O.
NPI 1922261841 · Obstetrics & Gynecology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Arlandson, D.O. is a Obstetrics & Gynecology Physician provider in Chicago, IL (NPI 1922261841).
Provider details
- NPI number
- 1922261841
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 036118858 (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
17 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
- 2008-07-10
- Last updated
- 2021-04-21
- Certified
- 2021-04-21
Frequently asked questions
- What is Mary Arlandson's NPI number?
- Mary Arlandson's National Provider Identifier (NPI) is 1922261841, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Arlandson's specialty?
- Mary Arlandson is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Arlandson located?
- Mary Arlandson's practice location on file with NPPES is 1900 W Polk St, Chicago, IL 60612-3723.
- What is Mary Arlandson's phone number?
- The practice phone number listed in the NPPES registry for Mary Arlandson is (312) 864-0453.
- Does Mary Arlandson accept Medicare?
- Mary Arlandson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Arlandson's NPI active?
- Yes — Mary Arlandson's NPI (1922261841) is active in the NPPES registry as of the last update on 2021-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.