Gregory Gustafson
NPI 1922068923 · Radiation Oncology Physician · Troy, MI
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Gustafson is a Radiation Oncology Physician provider in Troy, MI (NPI 1922068923).
Provider details
- NPI number
- 1922068923
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301051606 (MI)
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
746 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) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 287 | $45 |
| Design and Construction of Complex Radiation Treatment Device77334 | 108 | $57 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 92 | $189 |
| Calculation of Radiation Therapy Dose77300 | 84 | $30 |
| Complex Radiation Therapy Planning77263 | 32 | $165 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 29 | $179 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-24
- Last updated
- 2020-10-21
- Certified
- 2020-10-21
Frequently asked questions
- What is Gregory Gustafson's NPI number?
- Gregory Gustafson's National Provider Identifier (NPI) is 1922068923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Gustafson's specialty?
- Gregory Gustafson is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Gustafson located?
- Gregory Gustafson's practice location on file with NPPES is 44201 Dequindre Rd, Troy, MI 48085-1117.
- What is Gregory Gustafson's phone number?
- The practice phone number listed in the NPPES registry for Gregory Gustafson is (248) 964-3073.
- Does Gregory Gustafson accept Medicare?
- Gregory Gustafson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Gustafson's NPI active?
- Yes — Gregory Gustafson's NPI (1922068923) is active in the NPPES registry as of the last update on 2020-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.