Maria Rivera Hernandez, MD
NPI 1952895310 · Nephrology Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Rivera Hernandez, MD is a Nephrology Physician provider in San Juan, PR (NPI 1952895310).
Provider details
- NPI number
- 1952895310
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 22353 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
94 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 30 | $163 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 27 | $125 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 24 | $114 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 13 | $166 |
Typical Medicare-allowed amounts for these services range $114–$166 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Empagliflozinbrand: Jardiance | 42 | 16 |
| Dapagliflozin Propanediolbrand: Farxiga | 41 | 16 |
| Finerenonebrand: Kerendia | 17 | — |
| Lisinopril | 17 | — |
| Losartan Potassium | 13 | — |
| Atorvastatin Calcium | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$774 across 19 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
Additional practice locations (1)
- University District Hospital Bo MonacillosSan Juan, PR 00935-0001Phone: (787) 754-0101
Registry dates
- Enumerated
- 2018-06-19
- Last updated
- 2023-10-16
- Certified
- 2023-06-03
Frequently asked questions
- What is Maria Rivera Hernandez's NPI number?
- Maria Rivera Hernandez's National Provider Identifier (NPI) is 1952895310, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Rivera Hernandez's specialty?
- Maria Rivera Hernandez is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Rivera Hernandez located?
- Maria Rivera Hernandez's practice location on file with NPPES is 1492 Ave Ponce De Leon, San Juan, PR 00907-4024.
- What is Maria Rivera Hernandez's phone number?
- The practice phone number listed in the NPPES registry for Maria Rivera Hernandez is (787) 723-5017.
- Does Maria Rivera Hernandez accept Medicare?
- Maria Rivera Hernandez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Rivera Hernandez's NPI active?
- Yes — Maria Rivera Hernandez's NPI (1952895310) is active in the NPPES registry as of the last update on 2023-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.