Doctor profile · Federal record

Dr. Nicholas Gustafson

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hospitalist Physician · Sheboygan, WI

  • NPI 1508286386
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1222 N 23Rd St
Sheboygan, WI 530813171
(920) 457-6800
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
December 11, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Wisconsin #72979 · Indiana #02005360A
Medicaid
WI #100139705

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508286386. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
855
Distinct HCPCS
6
Medicare allowed
$89,116
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 460 219 $92
99215 Established patient office or other outpatient visit, 40-54 minutes 221 77 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 91 74 $63
99205 New patient office or other outpatient visit, 60-74 minutes 41 41 $169
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $127
99442 Telephone medical discussion with physician, 11-20 minutes 21 21 $63

In context: peer comparison

Among 3 peers in Sheboygan Hematology & Oncology Physician, average services per provider: 1,908. This provider delivers 0.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
923
Patients
272
Total drug cost
$811,521
Drug Type Claims Patients Total cost
Anastrozole Generic 177 48 $4,792
Prednisone Generic 95 37 $567
Prochlorperazine Maleate Generic 91 55 $1,076
Eliquis (Apixaban) Brand 76 24 $70,552
Letrozole Generic 75 15 $2,142
Dexamethasone Generic 62 28 $882
Tamoxifen Citrate Generic 53 16 $1,546
Acyclovir Generic 52 0 $660
Hydroxyurea Generic 44 11 $1,461
Ondansetron Hcl Generic 36 26 $540

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Gustafson's medical specialty?
Dr. Nicholas Gustafson practices Hematology & Oncology Physician in Sheboygan, WI.
Where does Dr. Nicholas Gustafson practice?
Dr. Nicholas Gustafson practices at 1222 N 23Rd St, Sheboygan, WI 530813171. Office phone: 9204576800.
What is Dr. Nicholas Gustafson's NPI?
Dr. Nicholas Gustafson's National Provider Identifier (NPI) is 1508286386, issued by NPPES.
Does Dr. Nicholas Gustafson accept Medicare assignment?
Yes. Dr. Nicholas Gustafson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Gustafson 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 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.