David Groteluschen, M.D.
NPI 1679538011 · Medical Oncology Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Groteluschen, M.D. is a Medical Oncology Physician provider in Green Bay, WI (NPI 1679538011).
Provider details
- NPI number
- 1679538011
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 44953 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
557 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 268 | $139 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 105 | $94 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 84 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 52 | $114 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 20 | $140 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 75 | 52 |
| Prednisone | 68 | 39 |
| Tamoxifen Citrate | 67 | 23 |
| Gabapentin | 64 | 21 |
| Anastrozole | 62 | 26 |
| Palbociclibbrand: Ibrance | 62 | — |
| Apixabanbrand: Eliquis | 38 | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-19
- Last updated
- 2021-12-20
- Certified
- 2021-12-20
Frequently asked questions
- What is David Groteluschen's NPI number?
- David Groteluschen's National Provider Identifier (NPI) is 1679538011, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Groteluschen's specialty?
- David Groteluschen is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is David Groteluschen located?
- David Groteluschen's practice location on file with NPPES is 1726 Shawano Ave, Green Bay, WI 54303-3216.
- What is David Groteluschen's phone number?
- The practice phone number listed in the NPPES registry for David Groteluschen is (920) 884-3135.
- Does David Groteluschen accept Medicare?
- David Groteluschen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Groteluschen's NPI active?
- Yes — David Groteluschen's NPI (1679538011) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.