Doctor profile · Federal record

Dr. Karen Montag, PA-C

Physician Assistant · Hartford, WI

  • NPI 1770690281
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1640 E Sumner St
Hartford, WI 53027
(262) 670-4000
fax (262) 670-4451
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 15, 2023
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Wisconsin #868-023
Medicaid
WI #42953200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770690281. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
400
Distinct HCPCS
5
Medicare allowed
$34,629
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 169 85 $103
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 78 78 $104
99213 Established patient office or other outpatient visit, 20-29 minutes 69 51 $72
90662 Influenza vaccine split virus, preservative free 42 42 $71
G0008 Administration of influenza virus vaccine 42 42 $29

In context: peer comparison

Among 6 peers in this city , average services per provider: 56. This provider delivers 7.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,351
Patients
391
Total drug cost
$16,940
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 208 64 $1,964
Lisinopril Generic 152 40 $1,130
Amlodipine Besylate Generic 127 38 $1,016
Hydrochlorothiazide Generic 107 29 $498
Losartan Potassium Generic 107 28 $2,139
Levothyroxine Sodium Generic 98 31 $1,908
Omeprazole Generic 89 28 $867
Metoprolol Tartrate Generic 77 22 $661
Metoprolol Succinate Generic 72 21 $1,532
Sertraline Hcl Generic 68 16 $736

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Montag's medical specialty?
Dr. Karen Montag practices Physician Assistant in Hartford, WI.
Where does Dr. Karen Montag practice?
Dr. Karen Montag practices at 1640 E Sumner St, Hartford, WI 53027. Office phone: 2626704000.
What is Dr. Karen Montag's NPI?
Dr. Karen Montag's National Provider Identifier (NPI) is 1770690281, issued by NPPES.
Does Dr. Karen Montag accept Medicare assignment?
Yes. Dr. Karen Montag accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Montag commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.