Doctor profile · Federal record

Dr. Allison Knorzer, M.D.

Emergency Medicine Physician · Emergency Medicine Physician · Amery, WI

  • NPI 1821449364
  • 10 yrs on file
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 10 locations across 2 states.

NPPES Updated May 11, 2026
Primary practice
265 Griffin St E
Amery, WI 540011439
(715) 268-8000
Mailing address
640 Jackson St # 11102F
Saint Paul, MN 551012502
Minnesota — 7 locations
Additional location
1500 Curve Crest Blvd W
Stillwater, MN 550826040
(952) 853-8800
Additional location
205 Wabasha St S
Saint Paul, MN 551071805
(952) 853-8800
Additional location
2500 Como Ave
Saint Paul, MN 551081460
(952) 853-8800
Additional location
3930 Northwoods Dr
Arden Hills, MN 551126963
(952) 853-8800
Additional location
640 Jackson St
Saint Paul, MN 551012502
(651) 254-3456
Additional location
8450 Seasons Pkwy
Woodbury, MN 551254402
(952) 853-8800
Additional location
927 Churchill St W
Stillwater, MN 550826605
(651) 439-5330
Wisconsin — 2 locations
Additional location
405 Stageline RD
Hudson, WI 540167848
(715) 531-6000
Additional location
535 Hospital RD
New Richmond, WI 540171449
(715) 243-2600

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
May 4, 2023
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Wisconsin #71072-20 · Minnesota #65596

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821449364. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
146
Distinct HCPCS
3
Medicare allowed
$19,290
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 74 74 $163
99284 Emergency department visit with moderate level of medical decision making 52 51 $114
99283 Emergency department visit with low level of medical decision making 20 20 $67

In context: peer comparison

Among 11 peers in this city , average services per provider: 58. This provider delivers 2.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
57
Patients
57
Total drug cost
$267
Drug Type Claims Patients Total cost
Cephalexin Generic 16 16 $124
Oxycodone Hcl Generic 16 16 $30
Ondansetron Odt (Ondansetron) Brand 14 14 $83
Prednisone Generic 11 11 $30

Frequently asked questions

Auto-generated from federal data
What is Dr. Allison Knorzer's medical specialty?
Dr. Allison Knorzer practices Emergency Medicine Physician in Amery, WI.
Where does Dr. Allison Knorzer practice?
Dr. Allison Knorzer practices at 265 Griffin St E, Amery, WI 540011439. Office phone: 7152688000.
What is Dr. Allison Knorzer's NPI?
Dr. Allison Knorzer's National Provider Identifier (NPI) is 1821449364, issued by NPPES.
What procedures does Dr. Allison Knorzer commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.