Michael Marrocco, MD
NPI 1326497363 · Diagnostic Radiology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Marrocco, MD is a Diagnostic Radiology Physician provider in Saint Louis, MO (NPI 1326497363).
Provider details
- NPI number
- 1326497363
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2018011403 (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
10 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
4,903 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) |
|---|---|---|
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 558 | $80 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 275 | $81 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 274 | $77 |
| X-Ray of Chest, 2 Views71046 | 217 | $10 |
| X-Ray of Chest, 2 Views71046 | 216 | $11 |
| X-Ray of Knee, 4 Or More Views73564 | 216 | $13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-09
- Last updated
- 2022-01-25
- Certified
- 2021-10-25
Frequently asked questions
- What is Michael Marrocco's NPI number?
- Michael Marrocco's National Provider Identifier (NPI) is 1326497363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Marrocco's specialty?
- Michael Marrocco is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Marrocco located?
- Michael Marrocco's practice location on file with NPPES is 510 S Kingshighway Blvd, Saint Louis, MO 63110-1016.
- What is Michael Marrocco's phone number?
- The practice phone number listed in the NPPES registry for Michael Marrocco is (314) 362-7200.
- Does Michael Marrocco accept Medicare?
- Michael Marrocco is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Marrocco's NPI active?
- Yes — Michael Marrocco's NPI (1326497363) is active in the NPPES registry as of the last update on 2022-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.