Alwin Heber Lopez-Toro
Nephrology Physician · San Antonio, TX
Alwin Heber Lopez-Toro is a nephrology physician with a practice address in San Antonio, Texas, and NPI 1962820506, issued on Apr 1, 2014. Check the license (Texas R9247, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alwin Heber Lopez-Toro
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- R9247 TX
BP10058787 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1123 N Main Ave Ste 120, San Antonio, TX 78212
- Phone
- (210) 226-2001
- Enumerated
- Apr 1, 2014
- Record last updated
- Mar 13, 2025
- Fax
- (210) 616-0705
- Medicare enrollment
- Enrolled (PECOS I20190418000362); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,159 in Texas → Look up another NPI →
Also registered at 1123 N Main Ave Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muhammad Abdullah, MDNephrology Physician1154614832
- Ronald Hamner, M.D.Nephrology Physician1467427401
- Robert Holub, M.D.Nephrology Physician1083667893
- Luz Moreno, MDNephrology Physician1790751592
- Pablo Pergola, MDNephrology Physician1902872765
- Jose Ramirez, M.D.Nephrology Physician1801862628
Verify Alwin Heber Lopez-Toro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R9247Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average nephrology physician in 2024
2,046 Medicare Part D claims for 344 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate161 claims
- Carvedilol137 claims
- Losartan Potassium123 claims
- Lisinopril109 claims
- Telmisartan105 claims
- Chlorthalidone97 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $117.35
6 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Renal Associates, P.A.San Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alwin Heber Lopez-Toro among 1,159 nephrology physician records in Texas
Alwin Heber Lopez-Toro is one of 1,159 nephrology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 85% of them.
- NPI issued2014 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2014 · median 2001 among the 954 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
All 1,159 in Texas → Every provider in San Antonio → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Muhammad Abdullah, MDSan Antonio, TX 782121154614832
- Ronald Hamner, M.D.San Antonio, TX 782121467427401
- Robert Holub, M.D.San Antonio, TX 782121083667893
- Edward Lazaga, M.D.San Antonio, TX 782121396729547
- Luz Moreno, MDSan Antonio, TX 782121790751592
- Pablo Pergola, MDSan Antonio, TX 782121902872765
- Jose Ramirez, M.D.San Antonio, TX 782121801862628
- Johanna Urena, M.D.San Antonio, TX 782121114108198
Common questions
What is Alwin Heber Lopez-Toro's NPI number?
Alwin Heber Lopez-Toro's National Provider Identifier (NPI) is 1962820506, issued on Apr 1, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Alwin Heber Lopez-Toro located?
The NPPES record lists a practice address at 1123 N Main Ave Ste 120, San Antonio, TX, 78212. Phone: (210) 226-2001. Providers update this record themselves, so call before visiting.
How can I verify Alwin Heber Lopez-Toro's license?
NPPES lists Texas license number R9247, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alwin Heber Lopez-Toro prescribe under Medicare Part D?
In 2024, Alwin Heber Lopez-Toro had 2,046 Medicare Part D claims for 344 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.