Allyson Fields, PA-C
NPI 1235525098 · Physician Assistant · Elgin, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allyson Fields, PA-C is a Physician Assistant provider in Elgin, IL (NPI 1235525098).
Provider details
- NPI number
- 1235525098
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,005 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 853 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 442 | $80 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 276 | $51 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 120 | $112 |
| Destruction of Skin Growth, 1-14 Growths17110 | 111 | $97 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 93 | 53 |
| Triamcinolone Acetonide | 79 | 68 |
| Clobetasol Propionate | 71 | 46 |
| Hydrocortisone | 41 | 31 |
| Dupilumabbrand: Dupixent Pen | 31 | — |
| Mupirocin | 29 | 26 |
| Doxycycline Hyclate | 27 | 18 |
| Valacyclovir Hclbrand: Valacyclovir |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,487 across 180 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 240 E Huron StSuite 1-200Chicago, IL 60611-2909Phone: (312) 503-1851
Registry dates
- Enumerated
- 2015-04-08
- Last updated
- 2019-10-24
Frequently asked questions
- What is Allyson Fields's NPI number?
- Allyson Fields's National Provider Identifier (NPI) is 1235525098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allyson Fields's specialty?
- Allyson Fields is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Allyson Fields located?
- Allyson Fields's practice location on file with NPPES is 1600 N Randall Rd Ste 400, Elgin, IL 60123-7805.
- What is Allyson Fields's phone number?
- The practice phone number listed in the NPPES registry for Allyson Fields is (847) 381-8899.
- Does Allyson Fields accept Medicare?
- Allyson Fields is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allyson Fields's NPI active?
- Yes — Allyson Fields's NPI (1235525098) is active in the NPPES registry as of the last update on 2019-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.