Nixzaliz Rodriguez Rivera, M. D.
NPI 1801031471 · Endocrinology, Diabetes & Metabolism Physician · Ponce, PR
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nixzaliz Rodriguez Rivera, M. D. is a Endocrinology, Diabetes & Metabolism Physician provider in Ponce, PR (NPI 1801031471).
Provider details
- NPI number
- 1801031471
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Female
- Sole proprietor
- No
- License
- 17383 (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
17 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
41 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $89 |
Typical Medicare-allowed amounts for these services range $89–$89 (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 · 121 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodiumbrand: Synthroid | 4,069 | 635 |
| Dapagliflozin Propanediolbrand: Farxiga | 974 | 170 |
| Glipizidebrand: Glipizide Er | 807 | 131 |
| Rosuvastatin Calcium | 760 | 154 |
| Metformin Hclbrand: Metformin Hcl Er | 759 | 144 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus | 700 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$972 across 29 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
- 2008-12-10
- Last updated
- 2024-01-30
- Certified
- 2024-01-30
Frequently asked questions
- What is Nixzaliz Rodriguez Rivera's NPI number?
- Nixzaliz Rodriguez Rivera's National Provider Identifier (NPI) is 1801031471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nixzaliz Rodriguez Rivera's specialty?
- Nixzaliz Rodriguez Rivera is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Nixzaliz Rodriguez Rivera located?
- Nixzaliz Rodriguez Rivera's practice location on file with NPPES is Urb San Antonio 1646, Ponce, PR 00728.
- What is Nixzaliz Rodriguez Rivera's phone number?
- The practice phone number listed in the NPPES registry for Nixzaliz Rodriguez Rivera is (787) 284-7256.
- Does Nixzaliz Rodriguez Rivera accept Medicare?
- Nixzaliz Rodriguez Rivera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nixzaliz Rodriguez Rivera's NPI active?
- Yes — Nixzaliz Rodriguez Rivera's NPI (1801031471) is active in the NPPES registry as of the last update on 2024-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.