Keysha Lopez Vega, MD
NPI 1487041596 · Nephrology Physician · San Juan, PR
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keysha Lopez Vega, MD is a Nephrology Physician provider in San Juan, PR (NPI 1487041596).
Provider details
- NPI number
- 1487041596
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 21131 (PR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 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
255 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 | 170 | $64 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 54 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $94 |
Typical Medicare-allowed amounts for these services range $64–$94 (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 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 1,501 | 257 |
| Famotidine | 910 | 167 |
| Prednisone | 211 | 46 |
| Cinacalcet Hcl | 171 | 33 |
| Losartan Potassium | 159 | 44 |
| Valganciclovir Hcl | 132 | 36 |
| Carvedilol | 116 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$104 across 4 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)
- 1033 Calle Cerro SalienteUrb. Quintas De AltamiraJuana Diaz, PR 00795-9107Phone: (787) 316-3753
Registry dates
- Enumerated
- 2015-04-16
- Last updated
- 2021-07-06
- Certified
- 2021-07-06
Frequently asked questions
- What is Keysha Lopez Vega's NPI number?
- Keysha Lopez Vega's National Provider Identifier (NPI) is 1487041596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keysha Lopez Vega's specialty?
- Keysha Lopez Vega is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Keysha Lopez Vega located?
- Keysha Lopez Vega's practice location on file with NPPES is 155 Ave Arterial Hostos Apt 222, San Juan, PR 00918-2938.
- What is Keysha Lopez Vega's phone number?
- The practice phone number listed in the NPPES registry for Keysha Lopez Vega is (787) 316-3753.
- Does Keysha Lopez Vega accept Medicare?
- Keysha Lopez Vega is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keysha Lopez Vega's NPI active?
- Yes — Keysha Lopez Vega's NPI (1487041596) is active in the NPPES registry as of the last update on 2021-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.