Marcelo Sampaio, M.D.
NPI 1851701221 · Nephrology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcelo Sampaio, M.D. is a Nephrology Physician provider in Los Angeles, CA (NPI 1851701221).
Provider details
- NPI number
- 1851701221
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
12 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 158 | 50 |
| Amlodipine Besylate | 144 | 56 |
| Furosemide | 138 | 46 |
| Empagliflozinbrand: Jardiance | 92 | 33 |
| Sevelamer Carbonate | 85 | 36 |
| Hydralazine Hcl | 75 | 26 |
| Lisinopril | 74 | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30 across 1 record (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
Additional practice locations (2)
- Ronald Reagan Ucla Medical Center757 Westwood PlazaLos Angeles, CA 90095-9009Phone: (310) 825-9111
- 320 East North Ave.Allegheny General HospitalPittsburgh, PA 15212Phone: (412) 359-3166Fax: (412) 359-8164
Registry dates
- Enumerated
- 2014-05-06
- Last updated
- 2021-12-23
- Certified
- 2021-12-23
Frequently asked questions
- What is Marcelo Sampaio's NPI number?
- Marcelo Sampaio's National Provider Identifier (NPI) is 1851701221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcelo Sampaio's specialty?
- Marcelo Sampaio is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Marcelo Sampaio located?
- Marcelo Sampaio's practice location on file with NPPES is 11301 Wilshire Blvd Bldg 500, Los Angeles, CA 90073-1003.
- What is Marcelo Sampaio's phone number?
- The practice phone number listed in the NPPES registry for Marcelo Sampaio is (107) 797-7203.
- Does Marcelo Sampaio accept Medicare?
- Marcelo Sampaio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcelo Sampaio's NPI active?
- Yes — Marcelo Sampaio's NPI (1851701221) is active in the NPPES registry as of the last update on 2021-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.