Juan A. Guardia, MD
Nephrology Physician · McAllen, TX
Juan A. Guardia, MD is a nephrology physician with a practice address in McAllen, Texas, and NPI 1407855224, issued on Jul 14, 2005. Check the license (Texas L0228, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Juan A. Guardia
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- L0228 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1901 S 1St St, McAllen, TX 78503
- Phone
- (956) 631-6136
- Enumerated
- Jul 14, 2005
- Record last updated
- Nov 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (956) 631-1848
- Medicare enrollment
- Enrolled (PECOS I20040716000943); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1901 S 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ricardo Baltodano, M.D.Nephrology Physician1376705244
- Kotthegal Eshwar, MDNephrology Physician1831198654
- Edwardo GaitanProsthetist1467860015
- Salil Mangi, MDNephrology Physician1881693695
- Roberto Manllo-Karim, MDNephrology Physician1891794616
- Daniela Pagani, RD, LDRegistered Dietitian1447426754
Verify Juan A. Guardia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L0228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average nephrology physician in 2024
1,281 Medicare Part D claims for 324 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Sevelamer Carbonate142 claims
- Bumetanide128 claims
- Nifedipine Er116 claims
- Furosemide84 claims
- Losartan Potassium69 claims
- Amlodipine Besylate67 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.
Bills Medicare through one group practice
- South Texas Kidney Specialists, P.A.McAllen, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
Other nephrology physician records in Texas
- Bernardino Abaya, M.D.Houston, TX1740262013
- Aisha Abbasi, MDConroe, TX1942837570
- Abdul Abdellatif, M.D.Webster, TX1164560595
- Dina Abdelwahab, MDDallas, TX1801050208
- Mohammed Abdulaziz, MDLaredo, TX1881009215
- Muhammad Abdullah, MDSan Antonio, TX1154614832
- Nashila Abdulrahim, DODallas, TX1659665180
- Mai Abouelsaad, M.D.Houston, TX1790168086
- Fadi Abouzahr, MDSan Antonio, TX1982695896
- Koshy Abraham, MDFort Worth, TX1780658559
Common questions
What is Juan A. Guardia, MD's NPI number?
Juan A. Guardia, MD's National Provider Identifier (NPI) is 1407855224, issued on Jul 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Juan A. Guardia, MD located?
The NPPES record lists a practice address at 1901 S 1St St, McAllen, TX, 78503. Phone: (956) 631-6136. Providers update this record themselves, so call before visiting.
How can I verify Juan A. Guardia, MD's license?
NPPES lists Texas license number L0228, 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 Juan A. Guardia, MD prescribe under Medicare Part D?
In 2024, Juan A. Guardia, MD had 1,281 Medicare Part D claims for 324 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.