Doctor profile · Federal record

Dr. John Poss, NP

Nurse Practitioner · Oshkosh, WI

  • NPI 1578551172
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
855 N Westhaven Dr
Oshkosh, WI 549047668
(920) 456-7408
Mailing address
2901 W Kinnickinnic River Pkwy Ste 309
Milwaukee, WI 532153660

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
December 1, 2021
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Wisconsin #88433
Medicaid
WI #43812500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578551172. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
43
Distinct HCPCS
2
Medicare allowed
$2,468
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 30 15 $54
99203 New patient office or other outpatient visit, 30-44 minutes 13 13 $66

In context: peer comparison

Among 28 peers in Oshkosh Nurse Practitioner, average services per provider: 48. This provider delivers 0.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Poss's medical specialty?
Dr. John Poss practices Nurse Practitioner in Oshkosh, WI.
Where does Dr. John Poss practice?
Dr. John Poss practices at 855 N Westhaven Dr, Oshkosh, WI 549047668. Office phone: 9204567408.
What is Dr. John Poss's NPI?
Dr. John Poss's National Provider Identifier (NPI) is 1578551172, issued by NPPES.
What procedures does Dr. John Poss commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.