Dr. Juan A. Guardia
Dr. Juan A. Guardia
Last updated: Nov 19, 2015

Dr. Juan A. Guardia

  • Gender: Male
  • Experience: 31 years
  • Graduation year: 1990
  • Sole propriator: No
  • NPI: 1407855224

Dr. Juan A. Guardia MD

Nephrologist

He is located at 1901 South 1st Street Ste 600 in Mcallen, TX 78503. Can help patients with the following: Constipation, Diarrhea, Hot Flashes, Low Blood Pressure, Obesity, Urethritis. His National Provider Identifier (NPI) number is 1407855224. Appointment can be made via the phone number (956) 631-6136. He is affiliated with 2 practices and 3 hospitals.

Conditions treated

Dr. Juan A. Guardia, being an nephrologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Juan A. Guardia.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Blood in Urine
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Gout
  • Headache
  • Heart Disease
  • Hemolytic Uremic Syndrome (HUS)
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hydronephrosis
  • Hypercalcemia
  • Hyperkalemia
  • Hyperlipidemia
  • Hyperparathyroidism
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Kidney Cancer
  • Kidney Failure
  • Kidney Infection
  • Kidney Stones
  • Low Blood Pressure
  • Low Potassium
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Peptic Ulcer
  • Polycystic Kidney Disease (PKD)
  • Prescription Refill
  • Rhabdomyolysis
  • Urethritis
  • Urinary Tract Infection (UTI)
  • Vitamin D Deficiency

Procedures Performed by Dr. Juan A. Guardia

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Juan A. Guardia as in-network for the following 2026 plans.

Health plans

Ambetter from Superior HealthPlan

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 12 plans from Ambetter from Superior HealthPlan
Ambetter from Superior HealthPlan plans
Plan Plan type Network tier New patients
Complete Gold EPO · Gold Preferred Accepting new patients
Complete Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Enhanced Diabetes Care Silver with $0 Drug Options EPO · Silver Preferred Accepting new patients
Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental EPO · Silver Preferred Accepting new patients
Everyday Gold EPO · Gold Preferred Accepting new patients
Everyday Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Focused Silver EPO · Silver Preferred Accepting new patients
Focused Silver + Vision + Adult Dental EPO · Silver Preferred Accepting new patients
Standard Gold EPO · Gold Preferred Accepting new patients
Standard Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Standard Silver EPO · Silver Preferred Accepting new patients
Standard Silver + Vision + Adult Dental EPO · Silver Preferred Accepting new patients

Blue Cross and Blue Shield of Texas

Network data as of Jun 7, 2026, as reported by the insurer.

Show all 25 plans from Blue Cross and Blue Shield of Texas
Blue Cross and Blue Shield of Texas plans
Plan Plan type Network tier New patients
Blue Advantage Bronze HMO℠ 204 (27 plan variants) HMO · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Bronze HMO℠ 301 (14 plan variants) HMO · Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Bronze HMO℠ Standard (27 plan variants) HMO · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ 206 (27 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ 603 (14 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ Standard (27 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ 303 (27 plan variants) POS · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ 305 (27 plan variants) POS · Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ Standard (27 plan variants) POS · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ 203 (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ 803 (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ Standard (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ 202 (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ 605 (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ Standard (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Security HMO℠ 200 (27 plan variants) HMO · Catastrophic Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ 205 (27 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ 801 (14 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ Standard (27 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients
MyBlue Health Bronze℠ 402 (13 plan variants) HMO · Expanded Bronze Myblue Health Accepting new patients
MyBlue Health Bronze℠ Standard (11 plan variants) HMO · Expanded Bronze Myblue Health Accepting new patients
MyBlue Health Gold℠ 403 (13 plan variants) HMO · Gold Myblue Health Accepting new patients
MyBlue Health Gold℠ Standard (11 plan variants) HMO · Gold Myblue Health Accepting new patients
MyBlue Health Silver℠ 405 (13 plan variants) HMO · Silver Myblue Health Accepting new patients
MyBlue Health Silver℠ Standard (11 plan variants) HMO · Silver Myblue Health Accepting new patients

Oscar Insurance Company

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 12 plans from Oscar Insurance Company
Oscar Insurance Company plans
Plan Plan type Network tier New patients
Bronze Classic 4700 EPO · Expanded Bronze Preferred Accepting new patients
Bronze Classic Standard EPO · Expanded Bronze Preferred Accepting new patients
Bronze Elite + PCP Saver Plus EPO · Expanded Bronze Preferred Accepting new patients
Bronze Simple Breathe Easy with Enhanced COPD Benefits EPO · Expanded Bronze Preferred Accepting new patients
Bronze Simple Chronic Care CKM EPO · Expanded Bronze Preferred Accepting new patients
Bronze Simple Diabetes EPO · Expanded Bronze Preferred Accepting new patients
Gold Classic EPO · Gold Preferred Accepting new patients
Gold Classic Standard EPO · Gold Preferred Accepting new patients
Gold Elite EPO · Gold Preferred Accepting new patients
Silver Classic EPO · Silver Preferred Accepting new patients
Silver Classic Standard EPO · Silver Preferred Accepting new patients
Silver Simple PCP Saver EPO · Silver Preferred Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Juan A. Guardia is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Juan A. Guardia is enrolled to bill Medicare as a Practitioner - Nephrology (also registered under: Practitioner - Internal Medicine) .

Bills through: South Texas Kidney Specialists, P.a.

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Amgen $168
Nxstage Medical $67
Fresenius $38

Other

Food and Beverage $380

Studies

Graduated in 1990

Additional Specialities

  • Internist

Affiliated practices

South Texas Health System Clinics
2768 Pharmacy Road
Rio Grande City, 78582 TX
(956) 487-5621
South Texas Kidney Specialists PA
1901 South 1st Street
McAllen, 78503 TX
(956) 631-6136

Affiliated hospitals

SOUTH TEXAS HEALTH SYSTEM
1102 W TRENTON ROAD
EDINBURG, 78539 TX
(956) 632-4484
RIO GRANDE REGIONAL HOSPITAL
101 E RIDGE RD
MCALLEN, 78503 TX
(956) 632-6000
DOCTORS HOSPITAL AT RENAISSANCE
5501 SOUTH MCCOLL
EDINBURG, 78539 TX
(956) 362-8677

Looking for more Nephrologists?

Out of the 12 nephrologists in this region, here are 10 randomly selected ones for you to explore.

Dr. Mark Urtal Liong
  • Gender: Male
  • Address: Suite 600 1901 South 1st Street McAllen, 78503, TX
Dr. Cesar A. Martinez
  • Gender: Male
  • Address: Building B Suite 203 101 East Savannah Avenue McAllen, 78503, TX
Dr. Liliana E. Rios Rojas
  • Gender: Female
  • Address: Suite 600 1901 South 1st Street McAllen, 78503, TX
Dr. Reuben Valentin
  • Gender: Male
  • Address: 350 North Expressway Brownsville, 78521, TX
Dr. Kotthegal P. Eshwar
  • Gender: Male
  • Address: 1901 South 1st Street McAllen, 78503, TX
Dr. Roberto Manllo-Karim
  • Gender: Male
  • Address: Suite 600 1901 South 1st Street McAllen, 78503, TX
Dr. Salil Mangi
  • Gender: Male
  • Address: 1901 South 1st Street McAllen, 78503, TX
Dr. Maharaj K. Razdan
  • Gender: Male
  • Address: Suite 116 222 East Ridge Road McAllen, 78503, TX
Dr. Sergio Alberto Trevino Manllo
  • Gender: Male
  • Address: Suite 600 1901 South 1st Street McAllen, 78503, TX
Dr. John Manllo Dieck
  • Gender: Male
  • Address: Suite 600 1901 South 1st Street McAllen, 78503, TX

Questions & Answers

Does Dr. Juan A. Guardia have affiliation with practices?

Dr. Juan A. Guardia is affiliated with South Texas Health System Clinics. For the full list of practices see this list.

What conditions does Dr. Juan A. Guardia treat?

Dr. Juan A. Guardia provides treatment for Constipation, Diarrhea, Hot Flashes, Low Blood Pressure, Obesity, Urethritis. For the full list see this list.

Does Dr. Juan A. Guardia accept patients with Ambetter from Superior HealthPlan?

Yes, Dr. Juan A. Guardia is listed in-network for Ambetter from Superior HealthPlan through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Has Dr. Juan A. Guardia affiliation with hospitals?

Dr. Juan A. Guardia is affiliated with SOUTH TEXAS HEALTH SYSTEM. For the full list of hospitals see this list.

Where can you meet with Dr. Juan A. Guardia?

Dr. Juan A. Guardia's office is located at 1901 South 1st Street Ste 600 in Mcallen, TX 78503.