Doctor profile · Federal record

Dr. Tiffany Marinier, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Onalaska, WI

  • NPI 1144343161
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3111 Gundersen Dr
Onalaska, WI 546508447
(608) 775-8630
Mailing address
1836 South Ave
La Crosse, WI 546015429

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
March 24, 2014
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (3)
Wisconsin #60962 · Minnesota #102952 · Illinois #036125948
Medicaid
IL #036125948

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144343161. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
253
Distinct HCPCS
5
Medicare allowed
$24,536
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 97 74 $93
99213 Established patient office or other outpatient visit, 20-29 minutes 52 49 $63
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 45 45 $125
99214 Established patient office or other outpatient visit, 30-39 minutes 33 33 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 26 26 $137

In context: peer comparison

Among 6 peers in this city , average services per provider: 78. This provider delivers 3.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,487
Patients
652
Total drug cost
$34,226
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 393 105 $6,365
Lisinopril Generic 243 66 $1,556
Levothyroxine Sodium Generic 212 60 $2,788
Losartan Potassium Generic 204 50 $3,061
Metoprolol Succinate Generic 199 49 $3,020
Omeprazole Generic 192 52 $2,546
Amlodipine Besylate Generic 183 45 $1,914
Hydrochlorothiazide Generic 122 27 $586
Duloxetine Hcl Generic 118 24 $3,277
Gabapentin Generic 117 33 $2,157

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tiffany Marinier's medical specialty?
Dr. Tiffany Marinier practices Internal Medicine Physician in Onalaska, WI.
Where does Dr. Tiffany Marinier practice?
Dr. Tiffany Marinier practices at 3111 Gundersen Dr, Onalaska, WI 546508447. Office phone: 6087758630.
What is Dr. Tiffany Marinier's NPI?
Dr. Tiffany Marinier's National Provider Identifier (NPI) is 1144343161, issued by NPPES.
Does Dr. Tiffany Marinier accept Medicare assignment?
Yes. Dr. Tiffany Marinier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tiffany Marinier commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.