Orlando Marchena Nieves, MD
NPI 1821364779 · General Practice Physician · Juana Diaz, PR
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Orlando Marchena Nieves, MD is a General Practice Physician provider in Juana Diaz, PR (NPI 1821364779).
Provider details
- NPI number
- 1821364779
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 018376 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 170 | 55 |
| Famotidine | 165 | 47 |
| Lisinopril | 139 | 47 |
| Levothyroxine Sodiumbrand: Synthroid | 102 | 25 |
| Gabapentin | 94 | 32 |
| Losartan Potassium | 92 | 28 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$67 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
- 2012-03-26
- Last updated
- 2012-03-26
Frequently asked questions
- What is Orlando Marchena Nieves's NPI number?
- Orlando Marchena Nieves's National Provider Identifier (NPI) is 1821364779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Orlando Marchena Nieves's specialty?
- Orlando Marchena Nieves is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Orlando Marchena Nieves located?
- Orlando Marchena Nieves's practice location on file with NPPES is Calle La Cruz # 3, Juana Diaz, PR 00795.
- What is Orlando Marchena Nieves's phone number?
- The practice phone number listed in the NPPES registry for Orlando Marchena Nieves is (787) 837-0002.
- Does Orlando Marchena Nieves accept Medicare?
- Orlando Marchena Nieves is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Orlando Marchena Nieves's NPI active?
- Yes — Orlando Marchena Nieves's NPI (1821364779) is active in the NPPES registry as of the last update on 2012-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.