Doctor profile · Federal record

Dr. Stephen Seifert, RD,Cd

Registered Dietitian · Manitowoc, WI

  • NPI 1841834678
  • 7 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
3415 Custer St
Manitowoc, WI 542204324
(920) 652-9310
fax (920) 652-9316
Additional location
575 4Th St
Kewaunee, WI 542161785
(920) 388-4640
fax (920) 388-0479
Additional location
595 County Road R
Denmark, WI 542089120
(920) 863-2005
fax (920) 863-3508
Show 2 more locations
Additional location
831 Parker Ave
Algoma, WI 542011808
(920) 487-3676
fax (920) 487-3084
Additional location
964 W Ryan St Ste B
Brillion, WI 541101077
(920) 756-2055
fax (920) 756-3350
Mailing address
Po Box 22487
Green Bay, WI 543052487

Credentials & registration

NPPES · NUCC
NPI registered
November 2019 — 7 yrs on file
Profile last updated
July 30, 2020
Specialty taxonomy
133V00000X — NUCC code
State license (1)
Wisconsin #3455-29

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841834678. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
189
Distinct HCPCS
2
Medicare allowed
$6,391
HCPCS Description Services Patients Avg allowed
97803 Therapy procedure reassessment for nutrition management, each 15 minutes 132 19 $26
G0108 Diabetes outpatient self-management training services, individual, per 30 minutes 57 13 $52

In context: peer comparison

Among 1 peers in Manitowoc Registered Dietitian, average services per provider: 94. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Seifert's medical specialty?
Dr. Stephen Seifert practices Registered Dietitian in Manitowoc, WI.
Where does Dr. Stephen Seifert practice?
Dr. Stephen Seifert practices at 3415 Custer St, Manitowoc, WI 542204324. Office phone: 9206529310.
What is Dr. Stephen Seifert's NPI?
Dr. Stephen Seifert's National Provider Identifier (NPI) is 1841834678, issued by NPPES.
What procedures does Dr. Stephen Seifert commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure reassessment for nutrition management (HCPCS 97803); Diabetes outpatient self-management training services, individual, per 30 minutes (HCPCS G0108). Source: CMS Medicare Physician & Other Practitioners file.