Celestia Nielsen, FNP
NPI 1093349391 · Family Nurse Practitioner · Libertyville, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Celestia Nielsen, FNP is a Family Nurse Practitioner provider in Libertyville, IL (NPI 1093349391).
Provider details
- NPI number
- 1093349391
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 277005672 (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
6 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
648 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 428 | $67 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 172 | $149 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 48 | $102 |
Typical Medicare-allowed amounts for these services range $67–$149 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 346 | 79 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 203 | 73 |
| Prednisone | 167 | 90 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 126 | 28 |
| Montelukast Sodium | 111 | 34 |
| Azithromycin | 87 | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,842 across 77 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
- 2020-02-25
- Last updated
- 2026-05-19
- Certified
- 2026-05-19
Frequently asked questions
- What is Celestia Nielsen's NPI number?
- Celestia Nielsen's National Provider Identifier (NPI) is 1093349391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Celestia Nielsen's specialty?
- Celestia Nielsen is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Celestia Nielsen located?
- Celestia Nielsen's practice location on file with NPPES is 755 S Milwaukee Ave Ste 181, Libertyville, IL 60048-3267.
- What is Celestia Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Celestia Nielsen is (847) 855-2430.
- Does Celestia Nielsen accept Medicare?
- Celestia Nielsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Celestia Nielsen's NPI active?
- Yes — Celestia Nielsen's NPI (1093349391) is active in the NPPES registry as of the last update on 2026-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.