Shawn Mayer, M.D.
NPI 1346495546 · Vascular & Interventional Radiology Physician · Springfield, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shawn Mayer, M.D. is a Vascular & Interventional Radiology Physician provider in Springfield, IL (NPI 1346495546).
Provider details
- NPI number
- 1346495546
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-137487 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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 tenure25% of score
17 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
808 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 185 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 64 | $81 |
| Ct Scan of Chest Without Contrast71250 | 59 | $49 |
| X-Ray of Chest, 2 Views71046 | 51 | $10 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 48 | $79 |
| Fluoroscopic Guidance for Insertion Or Removal of Central Vein Access Device77001 | 47 | $17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$73 across 3 records (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
- 2008-12-02
- Last updated
- 2023-11-27
- Certified
- 2023-11-27
Frequently asked questions
- What is Shawn Mayer's NPI number?
- Shawn Mayer's National Provider Identifier (NPI) is 1346495546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shawn Mayer's specialty?
- Shawn Mayer is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Shawn Mayer located?
- Shawn Mayer's practice location on file with NPPES is 800 E Carpenter St Dept of, Springfield, IL 62769-1000.
- What is Shawn Mayer's phone number?
- The practice phone number listed in the NPPES registry for Shawn Mayer is (217) 544-4780.
- Does Shawn Mayer accept Medicare?
- Shawn Mayer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shawn Mayer's NPI active?
- Yes — Shawn Mayer's NPI (1346495546) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.