Grant Larson, M.D.
NPI 1720510506 · Diagnostic Radiology Physician · Minneapolis, MN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grant Larson, M.D. is a Diagnostic Radiology Physician provider in Minneapolis, MN (NPI 1720510506).
Provider details
- NPI number
- 1720510506
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 67499 (MN)
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
9 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
1,160 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 Scan Head Or Brain Without Contrast70450 | 281 | $37 |
| Ct Scan of Upper Spine Without Contrast72125 | 112 | $43 |
| Screening Mammography77067 | 77 | $34 |
| Screening 3d Breast Mammography77063 | 68 | $27 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 53 | $77 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 51 | $74 |
| Mri Scan of Brain Before and After Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-30
- Last updated
- 2023-05-21
- Certified
- 2023-05-08
Frequently asked questions
- What is Grant Larson's NPI number?
- Grant Larson's National Provider Identifier (NPI) is 1720510506, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Larson's specialty?
- Grant Larson is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Grant Larson located?
- Grant Larson's practice location on file with NPPES is 701 Park Ave, Minneapolis, MN 55415-1623.
- What is Grant Larson's phone number?
- The practice phone number listed in the NPPES registry for Grant Larson is (612) 873-3922.
- Does Grant Larson accept Medicare?
- Grant Larson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grant Larson's NPI active?
- Yes — Grant Larson's NPI (1720510506) is active in the NPPES registry as of the last update on 2023-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.