Alexandra Lessem, DNP, FNP-BC
NPI 1447735634 · Family Nurse Practitioner · Greeley, CO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Lessem, DNP, FNP-BC is a Family Nurse Practitioner provider in Greeley, CO (NPI 1447735634).
Provider details
- NPI number
- 1447735634
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- APN.0994153-NP (CO)
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
7 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
362 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 | 161 | $76 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $68 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 39 | $42 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 36 | $108 |
| Hemoglobin A1c Level83036 | 29 | $10 |
| Administration of Influenza Virus VaccineG0008 | 24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 97 | 33 |
| Atorvastatin Calcium | 93 | 36 |
| Levothyroxine Sodium | 87 | 42 |
| Lisinopril | 69 | 27 |
| Metformin Hcl | 54 | 19 |
| Trazodone Hcl | 48 | 16 |
| Tramadol Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$88 across 1 record (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
- 2018-10-03
- Last updated
- 2018-10-03
Frequently asked questions
- What is Alexandra Lessem's NPI number?
- Alexandra Lessem's National Provider Identifier (NPI) is 1447735634, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Lessem's specialty?
- Alexandra Lessem is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexandra Lessem located?
- Alexandra Lessem's practice location on file with NPPES is 1600 23rd Ave, Greeley, CO 80634-6070.
- What is Alexandra Lessem's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Lessem is (970) 810-2424.
- Does Alexandra Lessem accept Medicare?
- Alexandra Lessem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Lessem's NPI active?
- Yes — Alexandra Lessem's NPI (1447735634) is active in the NPPES registry as of the last update on 2018-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.