Carlos Mahia, MD
NPI 1912101601 · Diagnostic Radiology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carlos Mahia, MD is a Diagnostic Radiology Physician provider in Saint Louis, MO (NPI 1912101601).
Provider details
- NPI number
- 1912101601
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2009022386 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,663 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 | 296 | $8 |
| X-Ray of Chest, 2 Views71046 | 176 | $10 |
| Ct Scan Head Or Brain Without Contrast70450 | 115 | $37 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 70 | $81 |
| Ct Scan of Chest Without Contrast71250 | 63 | $48 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 62 | $31 |
| Ultrasound of Both Sides of Head and Neck Blood Flow |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$40 across 2 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
- 2007-06-14
- Last updated
- 2025-04-17
Frequently asked questions
- What is Carlos Mahia's NPI number?
- Carlos Mahia's National Provider Identifier (NPI) is 1912101601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carlos Mahia's specialty?
- Carlos Mahia is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Carlos Mahia located?
- Carlos Mahia's practice location on file with NPPES is 510 S Kingshighway Blvd, Saint Louis, MO 63110-1016.
- What is Carlos Mahia's phone number?
- The practice phone number listed in the NPPES registry for Carlos Mahia is (314) 362-7200.
- Does Carlos Mahia accept Medicare?
- Carlos Mahia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carlos Mahia's NPI active?
- Yes — Carlos Mahia's NPI (1912101601) 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.