Alexis Harper, APN
NPI 1689909749 · Adult Health Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Practitioner - Certified Clinical Nurse Specialist (cns) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexis Harper, APN is a Adult Health Nurse Practitioner provider in Chicago, IL (NPI 1689909749).
Provider details
- NPI number
- 1689909749
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209007717 (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
16 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
959 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 | 608 | $84 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 221 | $30 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 114 | $58 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 16 | $118 |
Typical Medicare-allowed amounts for these services range $30–$118 (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 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 454 | 131 |
| Levothyroxine Sodium | 429 | 136 |
| Empagliflozinbrand: Jardiance | 411 | 134 |
| Metformin Hcl | 352 | 117 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 329 | 152 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 274 | 117 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,834 across 39 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
- 2009-10-07
- Last updated
- 2026-05-13
- Certified
- 2026-05-13
Frequently asked questions
- What is Alexis Harper's NPI number?
- Alexis Harper's National Provider Identifier (NPI) is 1689909749, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexis Harper's specialty?
- Alexis Harper is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexis Harper located?
- Alexis Harper's practice location on file with NPPES is 125 S Wacker Dr Ste 300, Chicago, IL 60606-4421.
- What is Alexis Harper's phone number?
- The practice phone number listed in the NPPES registry for Alexis Harper is (617) 505-1520.
- Does Alexis Harper accept Medicare?
- Alexis Harper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexis Harper's NPI active?
- Yes — Alexis Harper's NPI (1689909749) is active in the NPPES registry as of the last update on 2026-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.