Allyson M. Fields, PA-C
- Medicare patients, 2024
- 383
- Part D claims, 2024
- 502
- MIPS score, 2024
- 100
- Industry payments
- $1,358
- Affiliated sites
- 1
- Practice address
- 903 Commerce Dr, Oak Brook, IL 60523
- Practice phone
- Call (847) 675-9711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Illinois Dermatology Institute
Oak Brook, Illinois
Find Allyson Fields' 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.
Allyson M. Fields is a physician assistant in Oak Brook, Illinois
Allyson Fields practices at Illinois Dermatology Institute in Oak Brook, Illinois.
Allyson Fields' NPI, 1235525098, was assigned on April 8, 2015. Allyson Fields holds Illinois license 085.005882.
- NPI
- 1235525098NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496040990
- NPI enumeration date
- April 8, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 675-9711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Allyson M. Fields practices at Illinois Dermatology Institute in Oak Brook, Illinois
Allyson Fields' primary practice is Illinois Dermatology Institute, at 903 Commerce Dr, Oak Brook, IL 60523 in Dupage County. The practice phone is (847) 675-9711.
- Illinois Dermatology Institute903 Commerce Dr, Oak Brook, IL 60523 · Dupage CountyPhone(847) 675-9711
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Allyson M. Fields is affiliated with 2 sites of care and 1 medical group
Allyson Fields' primary practice is Illinois Dermatology Institute in Oak Brook, Illinois. The medical group on file is Illinois Dermatology Institute. Dmand AI also links Allyson Fields 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 Allyson M. Fields' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Allyson Fields practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Illinois Dermatology Institute | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Allyson M. Fields is one of 4,299 physician assistants in Illinois
Physician assistant is Allyson Fields' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Allyson Fields is licensed in Illinois.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
Physician assistants near Allyson Fields
Counts of physician assistants 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
Allyson M. Fields treated 383 Medicare patients in 2024, average age 76
CMS counts 383 Medicare patients who saw Allyson Fields in 2024. The largest group is 65 to 74, with 163 patients. 75% of them have high cholesterol, and 62% have high blood pressure. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Allyson Fields' median patient age at 46, with 61% women.
Allyson Fields' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Allyson Fields' Medicare patients by sex, 2024
- Women21857%
- Men16543%
Chronic conditions among Allyson Fields' Medicare patients, 2024
- High cholesterol75%
- High blood pressure62%
- Arthritis47%
- Ischemic heart disease27%
- Anxiety22%
- Osteoporosis21%
- Atrial fibrillation17%
- Mood disorders17%
Share of Medicare patients with each condition. A patient can have several.
Allyson Fields' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Allyson M. Fields wrote 502 Medicare Part D claims in 2024
In 2024, Allyson Fields wrote 502 Medicare Part D claims for 234 patients. 90% of them were for generic drugs.
Allyson Fields' Part D claims by kind of drug, 2024
- Generic452 claims90%
- Brand-name50 claims10%
Drug classes CMS tracks in Allyson Fields' Part D claims, 2024
- Antibiotics3%17 of 502 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
Allyson M. Fields scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Allyson Fields for performance year 2024, reported as part of a group. Allyson Fields accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Allyson Fields' MIPS scores, performance year 2024
- 100of 100Final score
- 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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Allyson M. Fields received $1,358 in industry payments in 2025
CMS Open Payments shows 72 general payments to Allyson Fields from 18 drug and device companies in 2025. Food and beverage make up the largest share, 93% of the total. Sun Pharmaceutical Industries Inc. paid the most, $258.
General payments to Allyson Fields by kind, 2025 to 2025
- Food and beverage$1,25893%
- Education$1007%
Companies that paid Allyson Fields the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Allyson M. Fields'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 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) |
| Industry payments | Open Payments (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 Allyson M. Fields
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Allyson M. Fields' NPI number?
Allyson M. Fields' NPI number is 1235525098. It was assigned on April 8, 2015, and it is active in the NPI Registry.
What does Allyson M. Fields specialize in?
Allyson M. Fields is a physician assistant in Oak Brook, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Allyson M. Fields practice?
Allyson Fields practices at 903 Commerce Dr, Oak Brook, IL 60523. Allyson Fields' primary practice is Illinois Dermatology Institute in Oak Brook, Illinois. Dmand AI also links Allyson Fields to 1 group practice or clinic.
What is Allyson M. Fields' office phone number?
The practice phone on file for Allyson Fields is (847) 675-9711.
What is Allyson M. Fields' medical license number?
Allyson Fields holds Illinois license 085.005882, one of 2 state licenses on file.
What medical group is Allyson M. Fields part of?
Allyson Fields is linked to Illinois Dermatology Institute.
Does Allyson M. Fields accept Medicare?
Yes. CMS lists Allyson Fields as accepting Medicare assignment.
What is Allyson M. Fields' MIPS score?
Allyson Fields' MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Allyson M. Fields see?
CMS counts 383 Medicare patients who saw Allyson Fields in 2024, with an average age of 76.
Has Allyson M. Fields received payments from drug or device companies?
CMS Open Payments shows $1,358 in general payments to Allyson Fields from 18 companies from 2025 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Allyson M. Fields been practicing?
Allyson Fields graduated from medical school in 2016, 10 years ago.
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