Sergio Alvarado Montalvo, MD
NPI 1184103616 · Nuclear Radiology Physician · Shreveport, LA
Enrolled with Medicare as Practitioner - Nuclear Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sergio Alvarado Montalvo, MD is a Nuclear Radiology Physician provider in Shreveport, LA (NPI 1184103616).
Provider details
- NPI number
- 1184103616
- Entity type
- Individual
- Primary specialty
- Nuclear Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 332435 (LA)
Specialties & taxonomies
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
8 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
2,157 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 | 454 | $8 |
| Ct Scan of Chest Without Contrast71250 | 340 | $49 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 238 | $9 |
| X-Ray of Abdomen, 1 View74018 | 200 | $8 |
| X-Ray of Chest, 2 Views71046 | 149 | $10 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 106 | $80 |
| Low Dose Ct Scan of Chest for Lung Cancer Screening |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$198 across 4 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
- 2018-08-06
- Last updated
- 2023-04-26
- Certified
- 2023-04-26
Frequently asked questions
- What is Sergio Alvarado Montalvo's NPI number?
- Sergio Alvarado Montalvo's National Provider Identifier (NPI) is 1184103616, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sergio Alvarado Montalvo's specialty?
- Sergio Alvarado Montalvo is listed in the NPPES registry with a primary specialty of Nuclear Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Sergio Alvarado Montalvo located?
- Sergio Alvarado Montalvo's practice location on file with NPPES is 1541 Kings Hwy, Shreveport, LA 71103-4228.
- What is Sergio Alvarado Montalvo's phone number?
- The practice phone number listed in the NPPES registry for Sergio Alvarado Montalvo is (318) 626-0000.
- Does Sergio Alvarado Montalvo accept Medicare?
- Sergio Alvarado Montalvo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sergio Alvarado Montalvo's NPI active?
- Yes — Sergio Alvarado Montalvo's NPI (1184103616) is active in the NPPES registry as of the last update on 2023-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.