What is Mary Marren's NPI number?

Mary Marren's National Provider Identifier (NPI) is 1992845531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Marren's specialty?

Mary Marren is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Mary Marren located?

Mary Marren's practice location on file with NPPES is 2014 W 102nd St, Chicago, IL 60643-2027.

What is Mary Marren's phone number?

The practice phone number listed in the NPPES registry for Mary Marren is (773) 636-3418.

Is Mary Marren's NPI active?

Yes — Mary Marren's NPI (1992845531) is active in the NPPES registry as of the last update on 2015-06-01.

IndividualActive

Mary Marren, OTR

NPI 1992845531 · Specialist · Chicago, IL

Mary Marren, OTR is a Specialist provider in Chicago, IL (NPI 1992845531).

Provider details

NPI number: 1992845531
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: OTR
Sex: Female
Sole proprietor: Yes
License: 056001061 (IL)

Practice location

2014 W 102nd St

Chicago, IL 60643-2027

Phone: (773) 636-3418

Street-level locationGet directions

More IL providers

Mailing address

2014 W 102nd St

Chicago, IL 60643-2027

Specialties & taxonomies

SpecialistPrimary174400000XLicense 056001061 (IL)
Other Service Providers

Profile Score

Detailed profile(90/100 index)

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.

Enumerated: 2007-02-06
Last updated: 2015-06-01

Frequently asked questions

What is Mary Marren's NPI number?: Mary Marren's National Provider Identifier (NPI) is 1992845531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mary Marren's specialty?: Mary Marren is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
Where is Mary Marren located?: Mary Marren's practice location on file with NPPES is 2014 W 102nd St, Chicago, IL 60643-2027.
What is Mary Marren's phone number?: The practice phone number listed in the NPPES registry for Mary Marren is (773) 636-3418.
Is Mary Marren's NPI active?: Yes — Mary Marren's NPI (1992845531) is active in the NPPES registry as of the last update on 2015-06-01.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions