Jennifer Smazil
NPI 1477158434 · Family Nurse Practitioner · Downers Grove, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Smazil is a Family Nurse Practitioner provider in Downers Grove, IL (NPI 1477158434).
Provider details
- NPI number
- 1477158434
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 041.416945 (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
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
155 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 91 | $90 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 37 | $170 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 27 | $135 |
Typical Medicare-allowed amounts for these services range $90–$170 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carvedilol | 34 | 17 |
| Atorvastatin Calcium | 32 | 13 |
| Metoprolol Succinate | 32 | 15 |
| Furosemide | 27 | 16 |
| Rosuvastatin Calcium | 24 | — |
| Clopidogrel Bisulfatebrand: Clopidogrel | 23 | 15 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,793 across 35 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
Registry dates
- Enumerated
- 2020-11-30
- Last updated
- 2020-11-30
- Certified
- 2020-11-30
Frequently asked questions
- What is Jennifer Smazil's NPI number?
- Jennifer Smazil's National Provider Identifier (NPI) is 1477158434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Smazil's specialty?
- Jennifer Smazil is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jennifer Smazil located?
- Jennifer Smazil's practice location on file with NPPES is 1026 Oxford St, Downers Grove, IL 60516-2809.
- What is Jennifer Smazil's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Smazil is (630) 303-6835.
- Does Jennifer Smazil accept Medicare?
- Jennifer Smazil is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Smazil's NPI active?
- Yes — Jennifer Smazil's NPI (1477158434) is active in the NPPES registry as of the last update on 2020-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.