Doctor profile · Federal record

Dr. Christopher Eernisse, D.O..

Family Medicine Physician (CMS: Family Practice) · Port Washington, WI

  • NPI 1558742726
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1475 W Grand Ave
Port Washington, WI 53074
(262) 268-5100

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
December 2, 2021
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Wisconsin #69565
Medicaid
WI #100079606

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558742726. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
589
Distinct HCPCS
8
Medicare allowed
$66,985
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 276 140 $121
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 108 108 $122
99213 Established patient office or other outpatient visit, 20-29 minutes 85 66 $85
G0008 Administration of influenza virus vaccine 35 35 $29
90662 Influenza vaccine split virus, preservative free 34 34 $72
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $156
99215 Established patient office or other outpatient visit, 40-54 minutes 17 14 $169
99496 Transitional care management services for problem of high complexity 16 15 $261

In context: peer comparison

Among 5 peers in this city , average services per provider: 67. This provider delivers 8.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,457
Patients
621
Total drug cost
$105,721
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 379 101 $4,859
Amlodipine Besylate Generic 228 67 $1,551
Lisinopril Generic 223 56 $1,255
Levothyroxine Sodium Generic 206 43 $3,012
Rosuvastatin Calcium Generic 187 53 $3,189
Simvastatin Generic 176 41 $1,684
Metformin Hcl Generic 151 31 $1,720
Pantoprazole Sodium Generic 147 38 $2,308
Losartan Potassium Generic 131 40 $1,561
Metoprolol Succinate Generic 128 35 $1,873

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Eernisse's medical specialty?
Dr. Christopher Eernisse practices Family Medicine Physician in Port Washington, WI.
Where does Dr. Christopher Eernisse practice?
Dr. Christopher Eernisse practices at 1475 W Grand Ave, Port Washington, WI 53074. Office phone: 2622685100.
What is Dr. Christopher Eernisse's NPI?
Dr. Christopher Eernisse's National Provider Identifier (NPI) is 1558742726, issued by NPPES.
Does Dr. Christopher Eernisse accept Medicare assignment?
Yes. Dr. Christopher Eernisse accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Eernisse 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.