Harrison Klause
NPI 1003301037 · Diagnostic Radiology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harrison Klause is a Diagnostic Radiology Physician provider in Nashville, TN (NPI 1003301037).
Provider details
- NPI number
- 1003301037
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MT216782 (PA)
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
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,245 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 338 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 205 | $78 |
| Ct Scan of Chest Without Contrast71250 | 134 | $47 |
| X-Ray of Chest, 2 Views71046 | 123 | $10 |
| X-Ray of Abdomen, 1 View74018 | 114 | $8 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 98 | $76 |
Practice location
Mailing address
Additional practice locations (1)
- Department of Radiology 1161 21st Ave S Mcn Ccc-1106Nashville, TN 37232-6202Phone: (615) 322-3190
Registry dates
- Enumerated
- 2018-06-22
- Last updated
- 2023-07-27
- Certified
- 2023-07-26
Frequently asked questions
- What is Harrison Klause's NPI number?
- Harrison Klause's National Provider Identifier (NPI) is 1003301037, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harrison Klause's specialty?
- Harrison Klause is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Harrison Klause located?
- Harrison Klause's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-6202.
- What is Harrison Klause's phone number?
- The practice phone number listed in the NPPES registry for Harrison Klause is (615) 322-3000.
- Does Harrison Klause accept Medicare?
- Harrison Klause is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harrison Klause's NPI active?
- Yes — Harrison Klause's NPI (1003301037) is active in the NPPES registry as of the last update on 2023-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.