Dr. John M. Williams
- Gender: Male
- Experience: 29 years
- Graduated from: University Of Oklahoma College Of Medicine
- Graduation year: 1992
- Sole propriator: No
- NPI: 1811984719
Dr. John M. Williams M.D.
Cardiologist
He is located at 3200 Quail Springs Parkway Suite 200 in Oklahoma City, OK 73134. Can help patients with the following: Abdominal Aortic Aneurysm (AAA), Atrial Flutter, Congestive Heart Failure (CHF), Palpitations, Postural Orthostatic Tachycardia Syndrome (POTS), Ventricular Septal Defect (VSD). His National Provider Identifier (NPI) number is 1811984719. Appointment can be made via the phone number (405) 701-9880. He is affiliated with 1 practices and 5 hospitals.
Conditions treated
Dr. John Michael Williams, being an cardiologist, 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. John M. Williams.
- Abdominal Aortic Aneurysm (AAA)
- Abdominal Pain
- Acute Pain
- Amyloidosis
- Anemia
- Angina
- Aortic Stenosis
- Arrhythmia
- Arthritis
- Asthma
- Atherosclerosis
- Atrial Fibrillation
- Atrial Flutter
- Atrial Septal Defect (ASD)
- Birth Defects
- Bladder Control
- Blood Clots
- Bradycardia
- Cardiomyopathy
- Carotid Artery Disease
- Cerebral Aneurysm
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic Venous Insufficiency
- Common Cold
- Congenital Heart Disease (CHD)
- Congestive Heart Failure (CHF)
- Constipation
- Cystitis
- Diarrhea
- Edema
- Endocarditis
- Fainting
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Attack
- Heart Disease
- Heart Murmur
- Heart Valve Disease
- Hiatal Hernia
- High Blood Pressure
- High Cholesterol
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- May-Thurner Syndrome
- Migraine
- Mitral Insufficiency
- Mitral Valve Prolapse (MVP)
- Mitral Valve Stenosis
- Myocarditis
- Nausea and Vomiting
- Obesity
- Orthostatic Hypotension
- Osteoporosis
- Pacemaker
- Palpitations
- Paroxysmal Supraventricular Tachycardia (PSVT)
- Peptic Ulcer
- Pericardial Tamponade
- Pericarditis
- Postural Orthostatic Tachycardia Syndrome (POTS)
- Premature Ventricular Contraction (PVC)
- Prescription Refill
- Pulmonary Edema
- Pulmonary Embolism (PE)
- Pulmonary Hypertension (PH)
- Renal Vascular Disease
- Rheumatic Fever
- Rheumatic Heart Disease
- Stroke
- Urethritis
- Urinary Tract Infection (UTI)
- Ventricular Fibrillation
- Ventricular Septal Defect (VSD)
- Wolff-Parkinson-White Syndrome (WPW)
Procedures Performed by Dr. John M. Williams
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. John M. Williams as in-network for the following 2026 plans.
Health plans
Blue Cross and Blue Shield of Oklahoma
Network data as of Jun 7, 2026, as reported by the insurer.
Show all 22 plans from Blue Cross and Blue Shield of Oklahoma
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Advantage Bronze PPO℠ 202 (5 plan variants) | PPO · Bronze | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Bronze PPO℠ 203 (5 plan variants) | PPO · Expanded Bronze | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Bronze PPO℠ Standard (5 plan variants) | PPO · Expanded Bronze | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Gold PPO℠ 309 (5 plan variants) | PPO · Gold | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Gold PPO℠ 604 (5 plan variants) | PPO · Gold | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Gold PPO℠ Standard (5 plan variants) | PPO · Gold | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Silver PPO℠ 204 (5 plan variants) | PPO · Silver | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Silver PPO℠ 501 (5 plan variants) | PPO · Silver | Blue Advantage PPO | Accepting new patients |
| Blue Advantage Silver PPO℠ Standard (5 plan variants) | PPO · Silver | Blue Advantage PPO | Accepting new patients |
| Blue Preferred Bronze PPO℠ Standard (5 plan variants) | PPO · Expanded Bronze | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Gold PPO℠ Standard (5 plan variants) | PPO · Gold | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Security PPO℠ 200 (5 plan variants) | PPO · Catastrophic | Blue Preferred PPO | Accepting new patients |
| Blue Preferred Silver PPO℠ Standard (5 plan variants) | PPO · Silver | Blue Preferred PPO | Accepting new patients |
| MyBlue Bronze HMO℠ 902 (3 plan variants) | HMO · Bronze | Myblue HMO | Accepting new patients |
| MyBlue Bronze HMO℠ 904 (3 plan variants) | HMO · Bronze | Myblue HMO | Accepting new patients |
| MyBlue Bronze HMO℠ Standard (3 plan variants) | HMO · Expanded Bronze | Myblue HMO | Accepting new patients |
| MyBlue Gold HMO℠ 704 (3 plan variants) | HMO · Gold | Myblue HMO | Accepting new patients |
| MyBlue Gold HMO℠ 804 (3 plan variants) | HMO · Gold | Myblue HMO | Accepting new patients |
| MyBlue Gold HMO℠ Standard (3 plan variants) | HMO · Gold | Myblue HMO | Accepting new patients |
| MyBlue Silver HMO℠ 705 (3 plan variants) | HMO · Silver | Myblue HMO | Accepting new patients |
| MyBlue Silver HMO℠ 803 (3 plan variants) | HMO · Silver | Myblue HMO | Accepting new patients |
| MyBlue Silver HMO℠ Standard (3 plan variants) | HMO · Silver | Myblue HMO | Accepting new patients |
Medica
Network data as of Jul 2, 2026, as reported by the insurer.
Show all 27 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Balance by Medica Bronze $0 Copay PCP Visits | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Balance by Medica Bronze Premier | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Balance by Medica Expanded Bronze Standard | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Balance by Medica Gold $0 Copay PCP Visits | PPO · Gold | Preferred | Accepting new patients |
| Balance by Medica Gold Share | PPO · Gold | Preferred | Accepting new patients |
| Balance by Medica Gold Standard | PPO · Gold | Preferred | Accepting new patients |
| Balance by Medica Silver $0 Copay PCP Visits | PPO · Silver | Preferred | Accepting new patients |
| Balance by Medica Silver Share | PPO · Silver | Preferred | Accepting new patients |
| Balance by Medica Silver Standard | PPO · Silver | Preferred | Accepting new patients |
| Harmony by Medica Bronze $0 Copay PCP Visits | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Harmony by Medica Bronze $0 Copay PCP Visits + Adult Eye Exam | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Harmony by Medica Bronze Premier | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Harmony by Medica Bronze Premier + Adult Eye Exam | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Harmony by Medica Expanded Bronze Standard | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Harmony by Medica Expanded Bronze Standard + Adult Eye Exam | PPO · Expanded Bronze | Preferred | Accepting new patients |
| Harmony by Medica Gold $0 Copay PCP Visits | PPO · Gold | Preferred | Accepting new patients |
| Harmony by Medica Gold $0 Copay PCP Visits + Adult Eye Exam | PPO · Gold | Preferred | Accepting new patients |
| Harmony by Medica Gold Share | PPO · Gold | Preferred | Accepting new patients |
| Harmony by Medica Gold Share + Adult Eye Exam | PPO · Gold | Preferred | Accepting new patients |
| Harmony by Medica Gold Standard | PPO · Gold | Preferred | Accepting new patients |
| Harmony by Medica Gold Standard + Adult Eye Exam | PPO · Gold | Preferred | Accepting new patients |
| Harmony by Medica Silver $0 Copay PCP Visits | PPO · Silver | Preferred | Accepting new patients |
| Harmony by Medica Silver $0 Copay PCP Visits + Adult Eye Exam | PPO · Silver | Preferred | Accepting new patients |
| Harmony by Medica Silver Share | PPO · Silver | Preferred | Accepting new patients |
| Harmony by Medica Silver Share + Adult Eye Exam | PPO · Silver | Preferred | Accepting new patients |
| Harmony by Medica Silver Standard | PPO · Silver | Preferred | Accepting new patients |
| Harmony by Medica Silver Standard + Adult Eye Exam | PPO · Silver | Preferred | Accepting new patients |
Mending Health
Network data as of Sep 10, 2026, as reported by the insurer.
Show all 6 plans from Mending Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| MENDING Direct Primary Care Bronze 4950 ($0 DPC + $0 PCP + $0 Mental Health) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| MENDING Direct Primary Care Gold $0 Ded ($0 DPC $0 PCP + $0 Mental Health) | HMO · Gold | Preferred | Accepting new patients |
| MENDING Direct Primary Care Silver 2300 ($0 DPC + $0 PCP + $0 Mental Health) | HMO · Silver | Preferred | Accepting new patients |
| MENDING Standard Bronze (No Direct Primary Care, for DPC select DPC Bronze) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| MENDING Standard Gold (No Direct Primary Care, for DPC select DPC Gold) | HMO · Gold | Preferred | Accepting new patients |
| MENDING Standard Silver (No Direct Primary Care, for DPC select DPC Silver) | HMO · Silver | Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 16, 2026, as reported by the insurer.
Show all 13 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential (No Referrals) | HMO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard (No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard+ (Dental + Vision, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard (No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard (No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision, No Referrals) | 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. John M. Williams 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. John M. Williams is enrolled to bill Medicare as a Practitioner - Interventional Cardiology (also registered under: Practitioner - Internal Medicine, Practitioner - Cardiovascular Disease (cardiology)) .
Bills through: Advanced Cardiovascular Solutions, Llc
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
| Medtronic | $3661 |
| Edwards Lifesciences | $709 |
| Gilead Sciences | $582 |
Other
| Food and Beverage | $5228 |
| Travel and Lodging | $2873 |
Studies
UNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated in 1992Additional Specialities
- Internist
Affiliated hospitals
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Questions & Answers
Where can you meet with Dr. John Michael Williams?
Dr. John Michael Williams's office is located at 3200 Quail Springs Parkway Suite 200 in Oklahoma City, OK 73134.
Does Dr. John Michael Williams accept patients with Medica?
Yes, Dr. John Michael Williams is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Does Dr. John Michael Williams have affiliation with practices?
Dr. John Michael Williams is affiliated with Ohh Physicians.
Has Dr. John Michael Williams affiliation with hospitals?
Dr. John Michael Williams is affiliated with MERCY HOSPITAL OKLAHOMA CITY, INC. For the full list of hospitals see this list.
What conditions does Dr. John Michael Williams treat?
Dr. John Michael Williams provides treatment for Abdominal Aortic Aneurysm (AAA), Atrial Flutter, Congestive Heart Failure (CHF), Palpitations, Postural Orthostatic Tachycardia Syndrome (POTS), Ventricular Septal Defect (VSD). For the full list see this list.