Doctor profile · Federal record

Dr. Nikki Leow, APNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Green Bay, WI

  • NPI 1326645029
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
744 S Webster Ave
Green Bay, WI 543013505
(920) 433-7412
fax (920) 433-7425
Additional location
1580 Commanche Ave
Green Bay, WI 543135751
(920) 435-8326
fax (920) 430-4659
Additional location
2820 Roosevelt RD
Marinette, WI 541433834
(715) 735-5225
fax (715) 735-5388
Mailing address
Po Box 22487
Green Bay, WI 543052487

Credentials & registration

NPPES · NUCC
NPI registered
October 2020 — 6 yrs on file
Profile last updated
December 28, 2020
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Wisconsin #10539-33 · Wisconsin #133544

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326645029. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
86
Distinct HCPCS
5
Medicare allowed
$7,299
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 22 17 $39
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 22 18 $95
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 15 15 $138
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 14 $104
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 13 12 $63

In context: peer comparison

Among 55 peers in Green Bay Family Nurse Practitioner, average services per provider: 59. This provider delivers 1.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
56
Patients
12
Total drug cost
$1,097
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 23 12 $693
Oxycodone Hcl Generic 18 0 $146
Morphine Sulfate ER (Morphine Sulfate) Brand 15 0 $258

Frequently asked questions

Auto-generated from federal data
What is Dr. Nikki Leow's medical specialty?
Dr. Nikki Leow practices Family Nurse Practitioner in Green Bay, WI.
Where does Dr. Nikki Leow practice?
Dr. Nikki Leow practices at 744 S Webster Ave, Green Bay, WI 543013505. Office phone: 9204337412.
What is Dr. Nikki Leow's NPI?
Dr. Nikki Leow's National Provider Identifier (NPI) is 1326645029, issued by NPPES.
Does Dr. Nikki Leow accept Medicare assignment?
Yes. Dr. Nikki Leow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nikki Leow commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.