Jenna Blaszczyk, DNP-FNP
NPI 1265120786 · Nurse Practitioner · Joliet, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jenna Blaszczyk, DNP-FNP is a Nurse Practitioner provider in Joliet, IL (NPI 1265120786).
Provider details
- NPI number
- 1265120786
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP-FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 209-027329 (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
3 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
1,338 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 | 259 | $112 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 218 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 204 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 157 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 93 | $79 |
| Ferritin (blood Protein) Level82728 | 57 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 64 | 23 |
| Apixabanbrand: Eliquis | 54 | 24 |
| Dexamethasone | 46 | 26 |
| Letrozole | 38 | 17 |
| Warfarin Sodium | 27 | 13 |
| Prednisone | 26 | 14 |
| Ondansetron Hcl | 24 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$759 across 25 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
- 2023-04-25
- Last updated
- 2023-06-05
- Certified
- 2023-06-05
Frequently asked questions
- What is Jenna Blaszczyk's NPI number?
- Jenna Blaszczyk's National Provider Identifier (NPI) is 1265120786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jenna Blaszczyk's specialty?
- Jenna Blaszczyk is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jenna Blaszczyk located?
- Jenna Blaszczyk's practice location on file with NPPES is 2614 W Jefferson St, Joliet, IL 60435-6433.
- What is Jenna Blaszczyk's phone number?
- The practice phone number listed in the NPPES registry for Jenna Blaszczyk is (815) 725-1355.
- Does Jenna Blaszczyk accept Medicare?
- Jenna Blaszczyk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jenna Blaszczyk's NPI active?
- Yes — Jenna Blaszczyk's NPI (1265120786) is active in the NPPES registry as of the last update on 2023-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.