Margaret Schoolfield, APRN, CNP
NPI 1811560006 · Nurse Practitioner · Sycamore, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Schoolfield, APRN, CNP is a Nurse Practitioner provider in Sycamore, IL (NPI 1811560006).
Provider details
- NPI number
- 1811560006
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, CNP
- Sex
- Female
- Sole proprietor
- No
- License
- 209023307 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
804 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 219 | $111 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 188 | $79 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 81 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 73 | $158 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 62 | $14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 197 | 80 |
| Rosuvastatin Calcium | 165 | 68 |
| Levothyroxine Sodium | 144 | 53 |
| Amlodipine Besylate | 113 | 50 |
| Simvastatin | 81 | 34 |
| Losartan Potassium | 78 | 26 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-07-23
- Last updated
- 2021-11-15
- Certified
- 2021-11-15
Frequently asked questions
- What is Margaret Schoolfield's NPI number?
- Margaret Schoolfield's National Provider Identifier (NPI) is 1811560006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Schoolfield's specialty?
- Margaret Schoolfield is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Schoolfield located?
- Margaret Schoolfield's practice location on file with NPPES is 1850 Gateway Dr, Sycamore, IL 60178-3192.
- What is Margaret Schoolfield's phone number?
- The practice phone number listed in the NPPES registry for Margaret Schoolfield is (815) 758-8671.
- Does Margaret Schoolfield accept Medicare?
- Margaret Schoolfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Schoolfield's NPI active?
- Yes — Margaret Schoolfield's NPI (1811560006) is active in the NPPES registry as of the last update on 2021-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.