Doctor profile · Federal record

Dr. David Portmann, D.C.

Chiropractor (CMS: Chiropractic) · Howards Grove, WI

  • NPI 1073534616
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
516 S Wisconsin Dr
Howards Grove, WI 530831261
(920) 565-3922

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Wisconsin #3724

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073534616. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
294
Distinct HCPCS
1
Medicare allowed
$11,295
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 294 25 $38

In context: peer comparison

Among 1 peers in this city , average services per provider: 294. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. David Portmann's medical specialty?
Dr. David Portmann practices Chiropractor in Howards Grove, WI.
Where does Dr. David Portmann practice?
Dr. David Portmann practices at 516 S Wisconsin Dr, Howards Grove, WI 530831261. Office phone: 9205653922.
What is Dr. David Portmann's NPI?
Dr. David Portmann's National Provider Identifier (NPI) is 1073534616, issued by NPPES.
Does Dr. David Portmann accept Medicare assignment?
Yes. Dr. David Portmann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Portmann commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.