Dr. Keysha Marie Lopez Vega, MD
- Medicare services, 2024
- 255
- Medicare patients, 2024
- 107
- Part D claims, 2024
- 4,930
- MIPS score, 2024
- 79
- Hospital affiliations
- 1
- Practice address
- Ponce De Leon Avenue 735 Stop 37 1/2, San Juan, PR 00918
- Practice phone
- Call (787) 758-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lopez Vega's professional email, personal email and mobile number
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Dr. Keysha Marie Lopez Vega is a nephrologist in San Juan, Puerto Rico
Dr. Lopez Vega practices at Hospital Auxilio Mutuo in San Juan, Puerto Rico, part of Hospital Auxilio Mutuo.
Dr. Lopez Vega's NPI, 1487041596, was assigned on April 16, 2015. Dr. Lopez Vega holds Puerto Rico license 21131.
- NPI
- 1487041596NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507296001
- NPI enumeration date
- April 16, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 758-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Keysha Marie Lopez Vega practices at 2 locations in San Juan, Puerto Rico
Dr. Lopez Vega's primary practice is Hospital Auxilio Mutuo, at Ponce De Leon Avenue 735 Stop 37 1/2, San Juan, PR 00918 in San Juan County. The practice phone is (787) 758-2000. The NPI Registry lists Dr. Lopez Vega's practice address as 155 Ave Arterial Hostos Apt 222, San Juan, PR 00918-2938.
- Hospital Auxilio MutuoPrimaryPonce De Leon Avenue 735 Stop 37 1/2, San Juan, PR 00918 · San Juan CountyPhone(787) 758-2000
- NPI Registry address155 Ave Arterial Hostos Apt 222, San Juan, PR 00918-2938Phone(787) 316-3753
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Keysha Marie Lopez Vega is affiliated with 2 sites of care and 2 medical groups
Dr. Lopez Vega's primary practice is Hospital Auxilio Mutuo in San Juan, Puerto Rico, part of Hospital Auxilio Mutuo. The medical group on file is Grupo Radiológico Hacaro. Dmand AI also links Dr. Lopez Vega to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Keysha Marie Lopez Vega's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lopez Vega practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital Auxilio Mutuo | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Hospital Auxilio Mutuo and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Keysha Marie Lopez Vega is one of 122 nephrologists in Puerto Rico
Nephrology is Dr. Lopez Vega's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Lopez Vega's licenses on file in 2 states: Puerto Rico and Colorado.
Specialties and state licenses
- Nephrology, Puerto RicoPrimary
- Student in an organized health care education/training program, Colorado
Nephrologists near Dr. Lopez Vega
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Keysha Marie Lopez Vega billed Medicare for 255 services in 2024
CMS data shows 255 Medicare services from Dr. Lopez Vega across 3 procedure codes in 2024, for 107 Medicare patients. Medicare paid $12,988 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lopez Vega's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3212024: 25521%
Dr. Lopez Vega compared with the Puerto Rico median for nephrologists, 2024
- Dr. Lopez Vega
- Puerto Rico median
- Medicare services
- 255vs 703.6 times
- Medicare patients
- 107vs 363.0 times
- Part D claims
- 4,642vs 1,5683.0 times
Medians across 124 nephrologists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Lopez Vega's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Keysha Marie Lopez Vega treated 107 Medicare patients in 2024, average age 54
CMS counts 107 Medicare patients who saw Dr. Lopez Vega in 2024. The largest group is under 65, with 85 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 77% are also on Medicaid. Their average risk score is 4.46, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lopez Vega's median patient age at 56, with 35% women.
Dr. Lopez Vega's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lopez Vega's Medicare patients by sex, 2024
- Women3634%
- Men7166%
Chronic conditions among Dr. Lopez Vega's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol64%
- Diabetes59%
- Heart failure21%
- Ischemic heart disease21%
- Anxiety14%
- Arthritis11%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lopez Vega's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women35%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Keysha Marie Lopez Vega wrote 4,930 Medicare Part D claims in 2024
In 2024, Dr. Lopez Vega wrote 4,930 Medicare Part D claims for 414 patients. 92% of them were for generic drugs. CMS names the drug for 4,642 of them, across 49 drugs with 11 or more claims each, at $140,631 in total drug cost. In 2023, CMS named 3,292 claims across 44 drugs.
Dr. Lopez Vega's Part D claims by kind of drug, 2024
- Generic4,546 claims92%
- Brand-name and other384 claims8%
Dr. Lopez Vega's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lopez Vega's Part D claims, 2024
- Antibiotics34%1,695 of 4,930 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,2922024: 4,64241%
Drugs named by CMS: 49 in 2024, 44 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Keysha Marie Lopez Vega scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Lopez Vega for performance year 2024, reported as part of a group. Dr. Lopez Vega accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Lopez Vega's MIPS scores, performance year 2024
- 79of 100Final score
- 66.2of 100Quality
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Keysha Marie Lopez Vega received $858 in industry payments from 2017 to 2025
CMS Open Payments shows 26 general payments to Dr. Lopez Vega from 10 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 84% of the total. Mallinckrodt Hospital Products Inc. paid the most, $316.
General payments to Dr. Lopez Vega by program year, 2017 to 2025
General payments to Dr. Lopez Vega by kind, 2017 to 2025
- Food and beverage$71784%
- Education$14116%
Companies that paid Dr. Lopez Vega the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Keysha Marie Lopez Vega's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Keysha Marie Lopez Vega
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Keysha Marie Lopez Vega's NPI number?
Dr. Keysha Marie Lopez Vega's NPI number is 1487041596. It was assigned on April 16, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Keysha Marie Lopez Vega?
Dr. Keysha Marie Lopez Vega is a nephrologist in San Juan, Puerto Rico. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Keysha Marie Lopez Vega practice?
Dr. Lopez Vega practices at Ponce De Leon Avenue 735 Stop 37 1/2, San Juan, PR 00918. Dr. Lopez Vega also practices at 155 Ave Arterial Hostos Apt 222, San Juan, PR 00918-2938. Dr. Lopez Vega's primary practice is Hospital Auxilio Mutuo in San Juan, Puerto Rico, part of Hospital Auxilio Mutuo. Dmand AI also links Dr. Lopez Vega to 1 group practice or clinic and 1 medical group.
What is Dr. Keysha Marie Lopez Vega's office phone number?
The practice phone on file for Dr. Lopez Vega is (787) 758-2000.
What is Dr. Keysha Marie Lopez Vega's medical license number?
Dr. Lopez Vega holds Puerto Rico license 21131, one of the licenses on file in 2 states.
Which states has Dr. Keysha Marie Lopez Vega been licensed in?
Dmand AI has state licenses on file for Dr. Lopez Vega in Puerto Rico and Colorado.
Which hospitals is Dr. Keysha Marie Lopez Vega affiliated with?
Dr. Lopez Vega practices at Hospital Auxilio Mutuo in San Juan, Puerto Rico.
What medical group is Dr. Keysha Marie Lopez Vega part of?
Dr. Lopez Vega is linked to Grupo Radiológico Hacaro. Dmand AI links Dr. Lopez Vega to 1 more medical group.
Does Dr. Keysha Marie Lopez Vega accept Medicare?
Yes. CMS data shows Dr. Lopez Vega billed Medicare for 255 services in 2024, and Dr. Lopez Vega accepts Medicare assignment.
What is Dr. Keysha Marie Lopez Vega's MIPS score?
Dr. Lopez Vega's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Keysha Marie Lopez Vega see?
CMS counts 107 Medicare patients who saw Dr. Lopez Vega in 2024, with an average age of 54.
What services does Dr. Keysha Marie Lopez Vega bill to Medicare?
In 2024, Dr. Lopez Vega's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and office visit, established patient (99214).
What drugs does Dr. Keysha Marie Lopez Vega prescribe most?
In 2024 Medicare Part D data, Dr. Lopez Vega's most prescribed drugs by claims were Sulfamethoxazole-Trimethoprim, Famotidine and Prednisone.
Has Dr. Keysha Marie Lopez Vega received payments from drug or device companies?
CMS Open Payments shows $858 in general payments to Dr. Lopez Vega from 10 companies from 2017 to 2025. The largest total came from Mallinckrodt Hospital Products Inc.
How long has Dr. Keysha Marie Lopez Vega been practicing?
Dr. Lopez Vega graduated from medical school in 2015, 11 years ago.
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