Doctor profile · Federal record

Dr. Alexandra Lessem, DNP, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Greeley, CO

  • NPI 1447735634
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1600 23Rd Ave
Greeley, CO 806346070
(970) 810-2424
Mailing address
1049 Colorado Ave
Loveland, CO 805374506

Credentials & registration

NPPES · NUCC
NPI registered
October 2018 — 8 yrs on file
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Colorado #APN.0994153-NP

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447735634. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
108
Distinct HCPCS
4
Medicare allowed
$7,653
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 63 41 $98
36415 Insertion of needle into vein for collection of blood sample 18 15 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 15 14 $62
G0008 Administration of influenza virus vaccine 12 12 $31

In context: peer comparison

Among 15 peers in Greeley Family Nurse Practitioner, average services per provider: 41. This provider delivers 2.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$88
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $87.54

By nature of payment

Food and Beverage
$88

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
396
Patients
48
Total drug cost
$15,962
Drug Type Claims Patients Total cost
Metformin Hcl Generic 42 17 $454
Atorvastatin Calcium Generic 37 14 $583
Lisinopril Generic 37 17 $445
Levothyroxine Sodium Generic 36 0 $516
Losartan Potassium Generic 36 0 $234
Trazodone Hcl Generic 36 0 $246
Hydrochlorothiazide Generic 26 0 $83
Omeprazole Generic 26 0 $419
Amlodipine Besylate Generic 23 0 $182
Gabapentin Generic 22 0 $150

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexandra Lessem's medical specialty?
Dr. Alexandra Lessem practices Family Nurse Practitioner in Greeley, CO.
Where does Dr. Alexandra Lessem practice?
Dr. Alexandra Lessem practices at 1600 23Rd Ave, Greeley, CO 806346070. Office phone: 9708102424.
What is Dr. Alexandra Lessem's NPI?
Dr. Alexandra Lessem's National Provider Identifier (NPI) is 1447735634, issued by NPPES.
Does Dr. Alexandra Lessem accept Medicare assignment?
Yes. Dr. Alexandra Lessem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexandra Lessem commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.