Doctor profile · Federal record

Dr. Amber Oshan, PA

Medical Physician Assistant (CMS: Physician Assistant) · Sparta, WI

  • NPI 1649274085
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
315 W Oak St
Sparta, WI 546562150
(608) 269-6731
Mailing address
1836 South Ave
La Crosse, WI 546015429

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
April 28, 2016
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Wisconsin #1460
Medicaid
WI #41959000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649274085. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,274
Distinct HCPCS
10
Medicare allowed
$46,466
HCPCS Description Services Patients Avg allowed
85610 Blood test, clotting time 176 12 $4
99214 Established patient office or other outpatient visit, 30-39 minutes 170 102 $104
82565 Blood creatinine level 164 104 $5
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 79 79 $106
84132 Blood potassium level 71 48 $5
G0008 Administration of influenza virus vaccine 59 58 $28
82947 Blood glucose (sugar) level 58 46 $4
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 54 37 $8
90662 Influenza vaccine split virus, preservative free 48 48 $70
84460 Liver enzyme (sgpt), level 47 31 $5

In context: peer comparison

Among 2 peers in this city , average services per provider: 46. This provider delivers 28× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,372
Patients
569
Total drug cost
$135,220
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 419 107 $9,485
Metoprolol Succinate Generic 251 53 $5,727
Amlodipine Besylate Generic 236 63 $2,349
Lisinopril Generic 191 47 $1,594
Losartan Potassium Generic 169 44 $4,224
Levothyroxine Sodium Generic 150 35 $1,851
Metformin Hcl Er (Metformin Hcl) Brand 145 33 $2,205
Omeprazole Generic 140 33 $2,340
Gabapentin Generic 114 33 $3,188
Eliquis (Apixaban) Brand 111 20 $95,789

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Amber Oshan's medical specialty?
Dr. Amber Oshan practices Medical Physician Assistant in Sparta, WI.
Where does Dr. Amber Oshan practice?
Dr. Amber Oshan practices at 315 W Oak St, Sparta, WI 546562150. Office phone: 6082696731.
What is Dr. Amber Oshan's NPI?
Dr. Amber Oshan's National Provider Identifier (NPI) is 1649274085, issued by NPPES.
Does Dr. Amber Oshan accept Medicare assignment?
Yes. Dr. Amber Oshan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amber Oshan commonly perform?
Top Medicare-reported procedures in 2023: Blood test, clotting time (HCPCS 85610); Established patient office or other outpatient visit (HCPCS 99214); Blood creatinine level (HCPCS 82565). Source: CMS Medicare Physician & Other Practitioners file.