Kirby Clark, M.D.
NPI 1407893795 · Diagnostic Radiology Physician · Waterloo, IA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kirby Clark, M.D. is a Diagnostic Radiology Physician provider in Waterloo, IA (NPI 1407893795).
Provider details
- NPI number
- 1407893795
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 42049-20 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,830 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) |
|---|---|---|
| Limited Ultrasound Scan of Abdomen76705 | 243 | $28 |
| Mri Scan of Leg Joint Without Contrast73721 | 187 | $93 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 165 | $88 |
| Mri Scan of Arm Joint Without Contrast73221 | 157 | $94 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 142 | $143 |
| Mri Scan of Brain Without Contrast70551 |
Practice location
Mailing address
Additional practice locations (1)
- 660 N Westmoreland RdLake Forest, IL 60045-1659Phone: (847) 535-7480
Registry dates
- Enumerated
- 2006-06-02
- Last updated
- 2023-11-21
- Certified
- 2023-11-21
Frequently asked questions
- What is Kirby Clark's NPI number?
- Kirby Clark's National Provider Identifier (NPI) is 1407893795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kirby Clark's specialty?
- Kirby Clark is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Kirby Clark located?
- Kirby Clark's practice location on file with NPPES is 4006 Johnathan St, Waterloo, IA 50701-9387.
- What is Kirby Clark's phone number?
- The practice phone number listed in the NPPES registry for Kirby Clark is (319) 236-2700.
- Does Kirby Clark accept Medicare?
- Kirby Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kirby Clark's NPI active?
- Yes — Kirby Clark's NPI (1407893795) is active in the NPPES registry as of the last update on 2023-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.