Jason Kayser, MD
NPI 1225234933 · Diagnostic Radiology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Kayser, MD is a Diagnostic Radiology Physician provider in Saint Louis, MO (NPI 1225234933).
Provider details
- NPI number
- 1225234933
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2008013752 (MO)
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
19 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
3,595 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 | 653 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 296 | $37 |
| X-Ray of Chest, 2 Views71046 | 230 | $10 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 152 | $81 |
| X-Ray of Knee, 1-2 Views73560 | 129 | $8 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 125 | $9 |
| X-Ray of Hip, 2-3 Views |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-21
- Last updated
- 2025-04-17
- Certified
- 2019-12-10
Frequently asked questions
- What is Jason Kayser's NPI number?
- Jason Kayser's National Provider Identifier (NPI) is 1225234933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Kayser's specialty?
- Jason Kayser is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Kayser located?
- Jason Kayser's practice location on file with NPPES is 510 S Kingshighway Blvd, Saint Louis, MO 63110-1016.
- What is Jason Kayser's phone number?
- The practice phone number listed in the NPPES registry for Jason Kayser is (314) 362-7200.
- Does Jason Kayser accept Medicare?
- Jason Kayser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Kayser's NPI active?
- Yes — Jason Kayser's NPI (1225234933) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.