Alberto Nenninger Leon, MD
Internal Medicine Physician · Edinburg, TX
Alberto Nenninger Leon, MD is an internal medicine physician with a practice address in Edinburg, Texas, and NPI 1750809968, issued on Sep 7, 2017. Check the license (Texas V9380, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alberto Nenninger Leon
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- V9380 TX
MD2020-0267 NM
Self-reported in NPPES; status is on the state search - Practice location
- 5501 S Mccoll RD, Edinburg, TX 78539
- Phone
- (956) 362-8677
- Enumerated
- Sep 7, 2017
- Record last updated
- Oct 21, 2025
- Fax
- (956) 362-7253
- Medicare enrollment
- Enrolled (PECOS I20200721003654); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 5501 S Mccoll RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alberto Nenninger Leon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license V9380Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
183 Medicare Part D claims for 77 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium12 claims
- Prednisone12 claims
- Furosemide11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Renaissance HospitalistsEdinburg, TX
- San Juan Regional Medical Center, Inc.Farmington, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alberto Nenninger Leon among 9,175 internal medicine physician records in Texas
Alberto Nenninger Leon, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 77% of them.
- NPI issued2017 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2016 · median 2004 among the 6,088 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
57 internal medicine physician records list a practice address in Edinburg
They are 57 of the 2,724 NPPES records with a practice address in Edinburg, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Edinburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Dinesh Jain, M.D.Edinburg, TX 785391619975083
- Sung Lim, MDEdinburg, TX 785391992759849
- Roberto Martinez, M.D.Edinburg, TX 785391275597593
- Oscar Mendez, M.D.Edinburg, TX 785391871565622
Common questions
What is Alberto Nenninger Leon, MD's NPI number?
Alberto Nenninger Leon, MD's National Provider Identifier (NPI) is 1750809968, issued on Sep 7, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Alberto Nenninger Leon, MD located?
The NPPES record lists a practice address at 5501 S Mccoll RD, Edinburg, TX, 78539. Phone: (956) 362-8677. Providers update this record themselves, so call before visiting.
How can I verify Alberto Nenninger Leon, MD's license?
NPPES lists Texas license number V9380, 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 Alberto Nenninger Leon, MD prescribe under Medicare Part D?
In 2024, Alberto Nenninger Leon, MD had 183 Medicare Part D claims for 77 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Alberto Nenninger Leon, MD's MIPS final score?
The 2023 MIPS final score is 82.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.