Nicholas Gustafson
NPI 1508286386 · Hematology & Oncology Physician · Sheboygan, WI
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Gustafson is a Hematology & Oncology Physician provider in Sheboygan, WI (NPI 1508286386).
Provider details
- NPI number
- 1508286386
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 02005360A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
960 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 510 | $89 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 286 | $133 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 65 | $61 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 37 | $167 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 25 | $123 |
| Telephone Medical Discussion With Physician, 11-20 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 169 | 56 |
| Apixabanbrand: Eliquis | 167 | 43 |
| Prochlorperazine Maleate | 123 | 75 |
| Prednisone | 118 | 34 |
| Letrozole | 109 | 27 |
| Abiraterone Acetate | 94 | 13 |
| Acyclovir | 68 | 17 |
| Dexamethasone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-21
- Last updated
- 2023-12-11
- Certified
- 2023-12-11
Frequently asked questions
- What is Nicholas Gustafson's NPI number?
- Nicholas Gustafson's National Provider Identifier (NPI) is 1508286386, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Gustafson's specialty?
- Nicholas Gustafson is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Gustafson located?
- Nicholas Gustafson's practice location on file with NPPES is 1222 N 23rd St, Sheboygan, WI 53081-3171.
- What is Nicholas Gustafson's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Gustafson is (920) 457-6800.
- Does Nicholas Gustafson accept Medicare?
- Nicholas Gustafson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Gustafson's NPI active?
- Yes — Nicholas Gustafson's NPI (1508286386) is active in the NPPES registry as of the last update on 2023-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.