Randall Ambroz, M.D.
NPI 1174939300 · Diagnostic Radiology Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Randall Ambroz, M.D. is a Diagnostic Radiology Physician provider in Rochester, MN (NPI 1174939300).
Provider details
- NPI number
- 1174939300
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 58285 (MN)
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 tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,536 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 344 | $27 |
| Screening Mammography77067 | 344 | $34 |
| X-Ray of Chest, 1 View71045 | 299 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 191 | $38 |
| X-Ray of Chest, 2 Views71046 | 184 | $10 |
| Ct Scan of Chest Without Contrast71250 | 160 | $49 |
| Mri Scan of Brain Before and After Contrast |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-07-08
- Last updated
- 2017-10-27
Frequently asked questions
- What is Randall Ambroz's NPI number?
- Randall Ambroz's National Provider Identifier (NPI) is 1174939300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Randall Ambroz's specialty?
- Randall Ambroz is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Randall Ambroz located?
- Randall Ambroz's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.
- What is Randall Ambroz's phone number?
- The practice phone number listed in the NPPES registry for Randall Ambroz is (507) 284-2511.
- Does Randall Ambroz accept Medicare?
- Randall Ambroz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Randall Ambroz's NPI active?
- Yes — Randall Ambroz's NPI (1174939300) is active in the NPPES registry as of the last update on 2017-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.