Dr. Jonathan Trejo
- Gender: Male
- Experience: 6 years
- Graduated from: University Of Texas Medical School At San Antonio
- Graduation year: 2015
- Sole propriator: No
- NPI: 1528453792
Dr. Jonathan Trejo M.D., M.P.H.
Endocrinologist
He is located at 4502 Medical Drive in San Antonio, TX 78229. Can help patients with the following: Achondroplasia, Graves' Disease, Headache, Hyperglycemia, Insulin Resistance (IR), Urinary Tract Infection (UTI). His National Provider Identifier (NPI) number is 1528453792. Appointment can be made via the phone number (210) 358-3555. He is affiliated with 1 practices.
Conditions treated
Dr. Jonathan Trejo, being an endocrinologist, 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. Jonathan Trejo.
- Abdominal Pain
- Achondroplasia
- Acute Pain
- Addison's Disease
- Amyloidosis
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Bone Loss
- Carcinoid Tumor
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cushing's Syndrome
- Cystitis
- Diabetes
- Diabetes Insipidus (DI)
- Diabetes Mellitus (DM) Type 1
- Diabetes Mellitus (DM) Type 2
- Diabetic Neuropathy
- Diarrhea
- Edema
- Fertility
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Goiter
- Graves' Disease
- Growth Hormone Imbalance
- Gynecomastia
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hypercalcemia
- Hyperglycemia
- Hyperlipidemia
- Hyperparathyroidism
- Hyperthyroidism
- Hypocalcemia
- Hypoglycemia
- Hyponatremia
- Hypoparathyroidism
- Hypothyroidism
- Influenza
- Inguinal Hernia
- Insulin Resistance (IR)
- Low Testosterone
- Metabolic Syndrome
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Thyroid Cancer
- Thyroid Disease
- Thyroiditis
- Urethritis
- Urinary Tract Infection (UTI)
- Vitamin D Deficiency
- Wilson-Turner Syndrome
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Jonathan Trejo as in-network for the following 2026 plans.
Health plans
Blue Cross and Blue Shield of Texas
Network data as of Jun 7, 2026, as reported by the insurer.
Show all 19 plans from Blue Cross and Blue Shield of Texas
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Advantage Bronze HMO℠ 204 (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Bronze HMO℠ 301 (14 plan variants) | HMO · Bronze | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Bronze HMO℠ Standard (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Gold HMO℠ 206 (27 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Gold HMO℠ 603 (14 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Gold HMO℠ Standard (27 plan variants) | HMO · Gold | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Plus Bronze℠ 303 (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Plus Bronze℠ 305 (27 plan variants) | POS · Bronze | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Plus Bronze℠ Standard (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Plus Gold℠ 203 (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Plus Gold℠ 803 (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Plus Gold℠ Standard (27 plan variants) | POS · Gold | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Plus Silver℠ 202 (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Plus Silver℠ 605 (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Plus Silver℠ Standard (27 plan variants) | POS · Silver | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Security HMO℠ 200 (27 plan variants) | HMO · Catastrophic | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Silver HMO℠ 205 (27 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Silver HMO℠ 801 (14 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients at some locations |
| Blue Advantage Silver HMO℠ Standard (27 plan variants) | HMO · Silver | Blue Advantage HMO | Accepting new patients at some locations |
Harbor Health
Network data as of Sep 14, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Harbor Health G0 $0 Deductible $0 PCP $0 Mental Health Office Visit $0 Express Care | HMO · Gold | Preferred | Accepting new patients |
| Harbor Health G1S $30 PCP $30 Mental Health Office Visit $30 Express Care | HMO · Gold | Preferred | Accepting new patients |
| Harbor Health S1 $0 PCP $0 Mental Health Office Visit $0 Express Care | HMO · Silver | Preferred | Accepting new patients |
| Harbor Health S1S $40 PCP $40 Mental Health Office Visit $40 Express Care | HMO · Silver | Preferred | Accepting new patients |
Imperial Insurance Companies, Inc.
Network data as of Sep 16, 2025, as reported by the insurer.
Show all 7 plans from Imperial Insurance Companies, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Imperial Preferred Bronze | HMO · Bronze | Preferred | Accepting new patients |
| Imperial Preferred Gold | HMO · Gold | Preferred | Accepting new patients |
| Imperial Preferred Gold Zero | HMO · Gold | Preferred | Accepting new patients |
| Imperial Preferred Silver | HMO · Silver | Preferred | Accepting new patients |
| Imperial Standard Bronze | HMO · Expanded Bronze | Standard | Accepting new patients |
| Imperial Standard Gold | HMO · Gold | Standard | Accepting new patients |
| Imperial Standard Silver | HMO · Silver | Standard | 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. Jonathan Trejo is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Jonathan Trejo is enrolled to bill Medicare as a Practitioner - Hospitalist (also registered under: Practitioner - Internal Medicine) .
Bills through: University Of Texas Health Science Center At San Antonio
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
UNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated in 2015Additional Specialities
- Internist
- Resident
Looking for more Endocrinologists?
Out of the 23 endocrinologists in this region, here are 10 randomly selected ones for you to explore.
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- Address: 8300 Floyd Curl Drive San Antonio, 78229, TX
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- Address: 8300 Floyd Curl Drive San Antonio, 78229, TX
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- Address: Suite 206 7863 Callaghan Road San Antonio, 78229, TX
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- Address: 4647 Medical Drive San Antonio, 78229, TX
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- Address: 9819 Huebner Road Building 6 San Antonio, 78240, TX
- Gender: Female
- Address: FL 3 8300 Floyd Curl Drive San Antonio, 78229, TX
- Gender: Female
- Address: 5107 Medical Drive San Antonio, 78229, TX
- Gender: Male
- Address: 5107 Medical Drive San Antonio, 78229, TX
- Gender: Female
- Address: 7703 Floyd Curl Drive San Antonio, 78229, TX
- Gender: Male
- Address: 5107 Medical Drive San Antonio, 78229, TX
Questions & Answers
What conditions does Dr. Jonathan Trejo treat?
Dr. Jonathan Trejo provides treatment for Achondroplasia, Graves' Disease, Headache, Hyperglycemia, Insulin Resistance (IR), Urinary Tract Infection (UTI). For the full list see this list.
Does Dr. Jonathan Trejo have affiliation with practices?
Dr. Jonathan Trejo is affiliated with UT Health San Antonio.
Does Dr. Jonathan Trejo accept insurance?
Dr. Jonathan Trejo is listed in-network for 30 ACA Marketplace (Obamacare/HealthCare.gov) plans from Blue Cross and Blue Shield of Texas, Harbor Health, Imperial Insurance Companies, Inc.. See the Marketplace plans section for details.
Where can you meet with Dr. Jonathan Trejo?
Dr. Jonathan Trejo's office is located at 4502 Medical Drive in San Antonio, TX 78229.