Jennifer Schaefer, APN
NPI 1396294153 · Family Nurse Practitioner · O Fallon, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Schaefer, APN is a Family Nurse Practitioner provider in O Fallon, IL (NPI 1396294153).
Provider details
- NPI number
- 1396294153
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 209014891 (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 tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
223 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 65 | $78 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 62 | $96 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 50 | $144 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 46 | $108 |
Typical Medicare-allowed amounts for these services range $78–$144 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 218 | 98 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 161 | 158 |
| Omeprazole | 104 | 52 |
| Famotidine | 64 | 27 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 46 | 46 |
| Mesalamine | 45 | 15 |
| Dicyclomine Hcl | 33 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$481 across 6 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)
- 1200 W State StRockford, IL 61102-2112Phone: (815) 494-1600Fax: (815) 490-1881
Registry dates
- Enumerated
- 2016-09-22
- Last updated
- 2022-05-07
- Certified
- 2022-05-07
Frequently asked questions
- What is Jennifer Schaefer's NPI number?
- Jennifer Schaefer's National Provider Identifier (NPI) is 1396294153, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Schaefer's specialty?
- Jennifer Schaefer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jennifer Schaefer located?
- Jennifer Schaefer's practice location on file with NPPES is 3 Saint Elizabeth Blvd Ste 5000, O Fallon, IL 62269-1282.
- What is Jennifer Schaefer's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Schaefer is (618) 641-5803.
- Does Jennifer Schaefer accept Medicare?
- Jennifer Schaefer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Schaefer's NPI active?
- Yes — Jennifer Schaefer's NPI (1396294153) is active in the NPPES registry as of the last update on 2022-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.