Doctor profile · Federal record

Dr. Crystal Fleischhacker, CNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Willmar, MN

  • NPI 1356956601
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 Willmar Ave Sw
Willmar, MN 562013556
(320) 231-5000

Credentials & registration

NPPES · NUCC
NPI registered
September 2020 — 6 yrs on file
Profile last updated
November 1, 2022
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Minnesota #7734

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356956601. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Cepheid 1 $19.12

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,070
Patients
397
Total drug cost
$16,164
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 114 38 $1,955
Lisinopril Generic 100 36 $1,212
Losartan Potassium Generic 99 34 $1,596
Amlodipine Besylate Generic 98 33 $1,158
Rosuvastatin Calcium Generic 94 37 $2,121
Omeprazole Generic 84 31 $1,308
Hydrochlorothiazide Generic 82 26 $625
Metformin Hcl Generic 60 25 $701
Levothyroxine Sodium Generic 52 23 $944
Metformin Hcl Er (Metformin Hcl) Brand 52 20 $748

Frequently asked questions

Auto-generated from federal data
What is Dr. Crystal Fleischhacker's medical specialty?
Dr. Crystal Fleischhacker practices Family Nurse Practitioner in Willmar, MN.
Where does Dr. Crystal Fleischhacker practice?
Dr. Crystal Fleischhacker practices at 101 Willmar Ave Sw, Willmar, MN 562013556. Office phone: 3202315000.
What is Dr. Crystal Fleischhacker's NPI?
Dr. Crystal Fleischhacker's National Provider Identifier (NPI) is 1356956601, issued by NPPES.
Does Dr. Crystal Fleischhacker accept Medicare assignment?
Yes. Dr. Crystal Fleischhacker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.