Log inBook a demoStart free trial
Log inStart free trial

Mary Kiyo Nielson

  • Chicago, IL
  • Internist
NPI1750043360
Hospital affiliations
1
State license
1
Year NPI issued
2021
Practice address
251 E Huron St, Chicago, IL 60611
Practice phone
Call (312) 926-2000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Northwestern Memorial Hospital

Hospital · Chicago, Illinois

Find Mary Nielson'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.

View contacts for free

Mary Kiyo Nielson is an internist in Chicago, Illinois

Mary Nielson practices at Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.

Mary Nielson's NPI, 1750043360, was assigned on October 11, 2021. Mary Nielson holds Illinois license 125.085540.

NPI and contact details
NPI
1750043360NPI Registry (opens in a new tab)
NPI enumeration date
October 11, 2021
NPI status
Active
Practice phone
(312) 926-2000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Mary Kiyo Nielson practices at Northwestern Memorial Hospital in Chicago, Illinois

Mary Nielson's primary practice is Northwestern Memorial Hospital, at 251 E Huron St, Chicago, IL 60611 in Cook County. The practice phone is (312) 926-2000.

Source: Dmand AI Affiliation Data

Mary Kiyo Nielson is affiliated with 1 site of care

Mary Nielson's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Mary Kiyo Nielson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mary Nielson practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwestern Memorial HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Mary Nielson practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Northwestern Memorial HealthCare and 6.2K+ hospitals, with verified contacts in the same login.

Try for freeBook a meeting

Mary Kiyo Nielson is one of 5,652 internists in Illinois

Internal medicine is Mary Nielson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Mary Nielson is licensed in Illinois.

Specialties and state licenses

  • Internal medicine, IllinoisPrimaryLicense 125.085540 · taxonomy 207R00000X

Internists near Mary Nielson

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

5,652internists in Illinois1,980internists in Chicago193internists at Northwestern Memorial Hospital

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Mary Kiyo Nielson's patients have a median age of 74

Across all payers, Dmand AI patient panel data puts Mary Nielson's median patient age at 74, with 71% women.

Mary Nielson's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women71%
  • Men29%

Source: Dmand AI Patient Panel Data

Sources for Mary Kiyo Nielson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mary Kiyo Nielson

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 Kiyo Nielson's NPI number?

Mary Kiyo Nielson's NPI number is 1750043360. It was assigned on October 11, 2021, and it is active in the NPI Registry.

What does Mary Kiyo Nielson specialize in?

Mary Kiyo Nielson is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Mary Kiyo Nielson practice?

Mary Nielson practices at 251 E Huron St, Chicago, IL 60611. Mary Nielson's primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.

What is Mary Kiyo Nielson's office phone number?

The practice phone on file for Mary Nielson is (312) 926-2000.

What is Mary Kiyo Nielson's medical license number?

Mary Nielson holds Illinois license 125.085540.

Which hospitals is Mary Kiyo Nielson affiliated with?

Mary Nielson practices at Northwestern Memorial Hospital in Chicago, Illinois.

How long has Mary Kiyo Nielson been practicing?

Mary Nielson's NPI was assigned in 2021.

Selling to internal medicine practices?

See internists in Illinois by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

Start free trialBook a demo
  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)
Read the Cookie Policy