Barbara Knoll, MD
NPI 1306838644 · Diagnostic Radiology Physician · Minneapolis, MN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Knoll, MD is a Diagnostic Radiology Physician provider in Minneapolis, MN (NPI 1306838644).
Provider details
- NPI number
- 1306838644
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 041790 (FL)
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
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
1,209 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 | 405 | $37 |
| Ct Scan of Upper Spine Without Contrast72125 | 150 | $44 |
| Ct Scan of Lower Spine Without Contrast72131 | 75 | $42 |
| Ct Scan of Middle Spine Without Contrast72128 | 68 | $42 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 67 | $76 |
| Mri Scan of Brain Before and After Contrast70553 | 65 | $103 |
| Ct Scan of Blood Vessels of Neck With Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-22
- Last updated
- 2026-02-06
- Certified
- 2026-02-06
Frequently asked questions
- What is Barbara Knoll's NPI number?
- Barbara Knoll's National Provider Identifier (NPI) is 1306838644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Knoll's specialty?
- Barbara Knoll is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Knoll located?
- Barbara Knoll's practice location on file with NPPES is 701 Park Ave, Minneapolis, MN 55415-1623.
- What is Barbara Knoll's phone number?
- The practice phone number listed in the NPPES registry for Barbara Knoll is (612) 873-2036.
- Does Barbara Knoll accept Medicare?
- Barbara Knoll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Knoll's NPI active?
- Yes — Barbara Knoll's NPI (1306838644) is active in the NPPES registry as of the last update on 2026-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.