Josean Flores Santiago, MD
NPI 1467938795 · Nephrology Physician · Mayaguez, PR
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Josean Flores Santiago, MD is a Nephrology Physician provider in Mayaguez, PR (NPI 1467938795).
Provider details
- NPI number
- 1467938795
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 023329 (PR)
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
7 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
30 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 30 | $77 |
Typical Medicare-allowed amounts for these services range $77–$77 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dapagliflozin Propanediolbrand: Farxiga | 78 | 18 |
| Losartan Potassium | 55 | 17 |
| Lisinopril | 47 | 16 |
| Empagliflozinbrand: Jardiance | 42 | 14 |
| Atorvastatin Calcium | 39 | — |
| Amlodipine Besylate | 19 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$671 across 10 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
- 2018-07-19
- Last updated
- 2025-09-16
- Certified
- 2025-09-16
Frequently asked questions
- What is Josean Flores Santiago's NPI number?
- Josean Flores Santiago's National Provider Identifier (NPI) is 1467938795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josean Flores Santiago's specialty?
- Josean Flores Santiago is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Josean Flores Santiago located?
- Josean Flores Santiago's practice location on file with NPPES is 14 Calle Peral N Ste 1c, Mayaguez, PR 00680-4872.
- What is Josean Flores Santiago's phone number?
- The practice phone number listed in the NPPES registry for Josean Flores Santiago is (939) 301-3030.
- Does Josean Flores Santiago accept Medicare?
- Josean Flores Santiago is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Josean Flores Santiago's NPI active?
- Yes — Josean Flores Santiago's NPI (1467938795) is active in the NPPES registry as of the last update on 2025-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.