Dr. William J. Friedrich DO
Emergency Physician
He is located at 1518 Hearthstone in San Antonio, TX 78258. Can help patients with the following: Brain Aneurysm, Febrile Seizure, Hypothyroidism, Insect Stings, Phlebitis and Thrombophlebitis, Prenatal Care. His National Provider Identifier (NPI) number is 1417921479. Appointment can be made via the phone number (210) 408-2079.
Conditions treated
Dr. William J. Friedrich, being an emergency physician, 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. William J. Friedrich.
- Abdominal Pain
- Acute Pain
- Aging In Place
- Altitude Sickness
- Angina
- Anxiety
- Arthritis
- Asthma
- Autism
- Birth Control Counseling
- Brain Aneurysm
- Brain Hemorrhage
- Breastfeeding and Lactation
- Broken Bone
- Bruises
- Choking
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Coronavirus
- Costochondritis
- Diabetes
- Febrile Seizure
- Fever
- Frostbite
- General Care
- Headache
- Heart Disease
- Hematoma
- High Blood Pressure
- Hyperlipidemia
- Hypothyroidism
- Infant Care
- Influenza
- Insect Stings
- Laceration
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Phlebitis and Thrombophlebitis
- Pregnancy
- Prenatal Care
- Prescription Refill
- Thyroid Disease
- Whiplash
- Women's Health
Procedures Performed by Dr. William J. Friedrich
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William J. Friedrich as in-network for the following 2026 plans.
Health plans
Baylor Scott and White Health Plan
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 10 plans from Baylor Scott and White Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BSW Diabetes Care Gold HMO 014 | HMO · Gold | Bswpremierhmo | Accepting new patients |
| BSW Elite Gold HMO 001 (CMS Standardized Plan with $0 Pediatric PCP copay) | HMO · Gold | Bswpremierhmo | Accepting new patients |
| BSW Elite Gold HMO 004 | HMO · Gold | Bswpremierhmo | Accepting new patients |
| BSW Elite Gold HMO 012 | HMO · Gold | Bswpremierhmo | Accepting new patients |
| BSW Prime Silver HMO 003 (CMS Standardized Plan with $0 Pediatric PCP copay) | HMO · Silver | Bswpremierhmo | Accepting new patients |
| BSW Prime Silver HMO 008 | HMO · Silver | Bswpremierhmo | Accepting new patients |
| BSW Prime Silver HMO 005 | HMO · Silver | Bswpremierhmo | Accepting new patients |
| BSW Savers Bronze HMO H S A 006 | HMO · Expanded Bronze | Bswpremierhmo | Accepting new patients |
| BSW Savers Bronze HMO H S A 007 (CMS Standardized Plan with $0 Pediatric PCP copay) | HMO · Expanded Bronze | Bswpremierhmo | Accepting new patients |
| BSW Savers Bronze HMO H S A 009 | HMO · Expanded Bronze | Bswpremierhmo | Accepting new patients |
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 |
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 |
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 14 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential ($0 Virtual Urgent Care) | HMO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard+ (Dental + Vision) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value ($0 Virtual Urgent Care) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value+ ($0 Virtual Urgent Care, Dental + Vision) | HMO · Silver | Non Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 11 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Sanitas Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Sanitas Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Sanitas Bronze Standard | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Sanitas Gold Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Sanitas Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Sanitas Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Sanitas Gold Standard | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Sanitas Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Sanitas Silver Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Sanitas Silver Standard | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Sanitas Silver Value ($0 Virtual Urgent Care) | HMO · Silver | Non 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. William J. Friedrich 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. William J. Friedrich is enrolled to bill Medicare as a Practitioner - Emergency Medicine (also registered under: Practitioner - Family Practice) .
Bills through: Third Coast Emergency Physicians Southwest Pa
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.
Additional Specialities
- Family Physician
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Questions & Answers
Where can you meet with Dr. William J. Friedrich?
Dr. William J. Friedrich's office is located at 1518 Hearthstone in San Antonio, TX 78258.
What conditions does Dr. William J. Friedrich treat?
Dr. William J. Friedrich provides treatment for Brain Aneurysm, Febrile Seizure, Hypothyroidism, Insect Stings, Phlebitis and Thrombophlebitis, Prenatal Care. For the full list see this list.
Does Dr. William J. Friedrich accept patients with Blue Cross and Blue Shield of Texas?
Yes, Dr. William J. Friedrich is listed in-network for Blue Cross and Blue Shield of Texas through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.