Mary A. Shields, NPC
- Medicare patients, 2024
- 86
- Part D claims, 2024
- 611
- MIPS score, 2024
- 87
- Hospital affiliations
- 3
- Medical groups
- 2
- Practice address
- 1555 N Barrington Rd, Hoffman Estates, IL 60169
- Practice phone
- Call (847) 843-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mary Shields' 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 A. Shields is a nurse practitioner in Hoffman Estates, Illinois
Mary Shields practices at Ascension Saint Alexius in Hoffman Estates, Illinois, part of Ascension Health Alliance.
Mary Shields' NPI, 1922074103, was assigned on February 27, 2006. Mary Shields holds Illinois license 209-004014.
- NPI
- 1922074103NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618909375
- NPI enumeration date
- February 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 843-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary A. Shields practices at Ascension Saint Alexius in Hoffman Estates, Illinois
Mary Shields' primary practice is Ascension Saint Alexius, at 1555 N Barrington Rd, Hoffman Estates, IL 60169 in Cook County. The practice phone is (847) 843-2000.
- Ascension Saint Alexius1555 N Barrington Rd, Hoffman Estates, IL 60169 · Cook CountyPhone(847) 843-2000
Source: Dmand AI Affiliation Data
Mary A. Shields is affiliated with 6 sites of care and 2 medical groups
Mary Shields' primary practice is Ascension Saint Alexius in Hoffman Estates, Illinois, part of Ascension Health Alliance. Mary Shields is also affiliated with Northwest Community Hospital. The medical group on file is Barrington Orthopedic Specialists. Dmand AI also links Mary Shields to 1 more hospital, 2 group practices and clinics, 1 breast imaging center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary A. Shields' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Shields practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Saint Alexius | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Mary A. Shields is one of 4,254 nurse practitioners in Illinois
Nurse practitioner is Mary Shields' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Mary Shields is licensed in Illinois.
Specialties and state licenses
- Nurse practitioner, IllinoisPrimary
Nurse practitioners near Mary Shields
Counts of nurse practitioners 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 A. Shields treated 86 Medicare patients in 2024, average age 80
CMS counts 86 Medicare patients who saw Mary Shields in 2024. The largest group is 75 to 84, with 35 patients. 75% of them have arthritis, and 75% have high blood pressure. 16% are also on Medicaid. Their average risk score is 2.33, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mary Shields' median patient age at 76, with 64% women.
Mary Shields' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mary Shields' Medicare patients by sex, 2024
- Women6778%
- Men1922%
Chronic conditions among Mary Shields' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease52%
- Heart failure49%
- Chronic kidney disease47%
- Diabetes47%
- Mood disorders45%
Share of Medicare patients with each condition. A patient can have several.
Mary Shields' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary A. Shields wrote 611 Medicare Part D claims in 2024
In 2024, Mary Shields wrote 611 Medicare Part D claims for 231 patients. 94% of them were for generic drugs.
Mary Shields' Part D claims by kind of drug, 2024
- Generic575 claims94%
- Brand-name36 claims6%
Drug classes CMS tracks in Mary Shields' Part D claims, 2024
- Opioids57%348 of 611 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mary A. Shields scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Mary Shields for performance year 2024, reported as part of a group. Mary Shields accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mary Shields' MIPS scores, performance year 2024
- 87of 100Final score
- 75.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Mary A. Shields'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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 A. Shields
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 A. Shields' NPI number?
Mary A. Shields' NPI number is 1922074103. It was assigned on February 27, 2006, and it is active in the NPI Registry.
What does Mary A. Shields specialize in?
Mary A. Shields is a nurse practitioner in Hoffman Estates, Illinois. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Mary A. Shields practice?
Mary Shields practices at 1555 N Barrington Rd, Hoffman Estates, IL 60169. Mary Shields' primary practice is Ascension Saint Alexius in Hoffman Estates, Illinois, part of Ascension Health Alliance. Dmand AI also links Mary Shields to 1 hospital, 2 group practices and clinics, 1 breast imaging center and 1 medical group.
What is Mary A. Shields' office phone number?
The practice phone on file for Mary Shields is (847) 843-2000.
What is Mary A. Shields' medical license number?
Mary Shields holds Illinois license 209-004014.
Which hospitals is Mary A. Shields affiliated with?
Mary Shields practices at Ascension Saint Alexius in Hoffman Estates, Illinois. Mary Shields is also affiliated with Northwest Community Hospital. Dmand AI links Mary Shields to 1 more hospital.
What medical group is Mary A. Shields part of?
Mary Shields is linked to Barrington Orthopedic Specialists. Dmand AI links Mary Shields to 1 more medical group.
Does Mary A. Shields accept Medicare?
Yes. CMS lists Mary Shields as accepting Medicare assignment.
What is Mary A. Shields' MIPS score?
Mary Shields' MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Mary A. Shields see?
CMS counts 86 Medicare patients who saw Mary Shields in 2024, with an average age of 80.
How long has Mary A. Shields been practicing?
Mary Shields graduated from medical school in 2001, 25 years ago.
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