Mary Ann Dier - Zimmermann, LCPC
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 20 N Clark St, Chicago, IL 60602
- Practice phone
- Call (866) 296-5262
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Perspectives Ltd
Chicago, Illinois
Find Mary Dier - Zimmermann's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Mary Ann Dier - Zimmermann is a professional counselor in Chicago, Illinois
Mary Dier - Zimmermann practices at Perspectives Ltd in Chicago, Illinois.
Mary Dier - Zimmermann's NPI, 1336298306, was assigned on January 9, 2007. Mary Dier - Zimmermann holds Illinois license 180-001433.
- NPI
- 1336298306NPI Registry (opens in a new tab)
- NPI enumeration date
- January 9, 2007
- NPI status
- Active
- Practice phone
- (866) 296-5262
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Mary Ann Dier - Zimmermann practices at Perspectives Ltd in Chicago, Illinois
Mary Dier - Zimmermann's primary practice is Perspectives Ltd, at 20 N Clark St, Chicago, IL 60602 in Cook County. The practice phone is (866) 296-5262.
- Perspectives Ltd20 N Clark St, Chicago, IL 60602 · Cook CountyPhone(866) 296-5262
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mary Ann Dier - Zimmermann is affiliated with 2 sites of care and 1 medical group
Mary Dier - Zimmermann's primary practice is Perspectives Ltd in Chicago, Illinois. The medical group on file is Perspectives, Ltd. Dmand AI also links Mary Dier - Zimmermann to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mary Ann Dier - Zimmermann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Dier - Zimmermann practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Perspectives Ltd | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary Ann Dier - Zimmermann is one of 2,929 professional counselors in Illinois
Professional is Mary Dier - Zimmermann's primary specialty in the NPI Registry, under taxonomy code 101YP2500X. Mary Dier - Zimmermann is licensed in Illinois.
Specialties and state licenses
- Professional counselor, IllinoisPrimary
Professional counselors near Mary Dier - Zimmermann
Counts of professional counselors with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Mary Ann Dier - Zimmermann's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Mary Dier - Zimmermann's median patient age at 50, with 0% women.
Mary Dier - Zimmermann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women0%
- Men75%
Source: Dmand AI Patient Panel Data
Sources for Mary Ann Dier - Zimmermann's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mary Ann Dier - Zimmermann
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary Ann Dier - Zimmermann's NPI number?
Mary Ann Dier - Zimmermann's NPI number is 1336298306. It was assigned on January 9, 2007, and it is active in the NPI Registry.
What does Mary Ann Dier - Zimmermann specialize in?
Mary Ann Dier - Zimmermann is a professional counselor in Chicago, Illinois. The primary specialty in the NPI Registry is Professional Counselor (taxonomy code 101YP2500X).
Where does Mary Ann Dier - Zimmermann practice?
Mary Dier - Zimmermann practices at 20 N Clark St, Chicago, IL 60602. Mary Dier - Zimmermann's primary practice is Perspectives Ltd in Chicago, Illinois. Dmand AI also links Mary Dier - Zimmermann to 1 group practice or clinic.
What is Mary Ann Dier - Zimmermann's office phone number?
The practice phone on file for Mary Dier - Zimmermann is (866) 296-5262.
What is Mary Ann Dier - Zimmermann's medical license number?
Mary Dier - Zimmermann holds Illinois license 180-001433.
What medical group is Mary Ann Dier - Zimmermann part of?
Mary Dier - Zimmermann is linked to Perspectives, Ltd.
How long has Mary Ann Dier - Zimmermann been practicing?
Mary Dier - Zimmermann graduated from medical school in 1988, 38 years ago.
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