Juan Guardia, MD
NPI 1407855224 · Nephrology Physician · Mcallen, TX
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Juan Guardia, MD is a Nephrology Physician provider in Mcallen, TX (NPI 1407855224).
Provider details
- NPI number
- 1407855224
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L0228 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,045 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 237 | $356 |
| Dialysis Services, Per Day, Less Than Full Month Service (20 Years Or Older)90970 | 225 | $10 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 160 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 98 | $129 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 95 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sevelamer Carbonate | 142 | 53 |
| Bumetanide | 128 | 56 |
| Nifedipinebrand: Nifedipine Er | 116 | 53 |
| Furosemide | 84 | 27 |
| Losartan Potassium | 69 | 28 |
| Amlodipine Besylate | 67 | 29 |
| Metoprolol Succinate | 48 | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-14
- Last updated
- 2015-11-19
Frequently asked questions
- What is Juan Guardia's NPI number?
- Juan Guardia's National Provider Identifier (NPI) is 1407855224, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Juan Guardia's specialty?
- Juan Guardia is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Juan Guardia located?
- Juan Guardia's practice location on file with NPPES is 1901 S 1st St, Mcallen, TX 78503-1228.
- What is Juan Guardia's phone number?
- The practice phone number listed in the NPPES registry for Juan Guardia is (956) 631-6136.
- Does Juan Guardia accept Medicare?
- Juan Guardia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Juan Guardia's NPI active?
- Yes — Juan Guardia's NPI (1407855224) is active in the NPPES registry as of the last update on 2015-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.