Dr. John A. Williams
- Gender: Male
- Experience: 35 years
- Graduation year: 1986
- Sole propriator: No
- NPI: 1538103692
Dr. John A. Williams M.D.
Internist
He is located at 300 20th Avenue North 9th Floor in Nashville, TN 37203. Can help patients with the following: Anemia, Asthma, Cystitis, Gastroesophageal Reflux Disease (GERD), Headache, Peptic Ulcer. His National Provider Identifier (NPI) number is 1538103692. Appointment can be made via the phone number (615) 284-1400. He also has a website where you can get more information. The website can be found at https://healthcare.ascension.org/doctors/1538103692/john-a-williams-nashville-tn. He is affiliated with 4 practices and 3 hospitals.
Conditions treated
Dr. John A. Williams, being an internist, 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 A. Williams.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. John A. Williams
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. John A. Williams as in-network for the following 2026 plans.
Health plans
Ambetter of Tennessee
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Ambetter of Tennessee
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Elite Bronze | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Elite Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Elite Gold | EPO · Gold | Preferred | Not accepting new patients |
| Elite Gold + Vision + Adult Dental | EPO · Gold | Preferred | Not accepting new patients |
| Enhanced Diabetes Care Silver with $0 Drug Options | EPO · Silver | Preferred | Not accepting new patients |
| Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental | EPO · Silver | Preferred | Not accepting new patients |
| Everyday Bronze | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Everyday Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Everyday Gold | EPO · Gold | Preferred | Not accepting new patients |
| Everyday Gold + Vision + Adult Dental | EPO · Gold | Preferred | Not accepting new patients |
| Standard Expanded Bronze | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Standard Gold | EPO · Gold | Preferred | Not accepting new patients |
| Standard Gold + Vision + Adult Dental | EPO · Gold | Preferred | Not accepting new patients |
| Standard Silver | EPO · Silver | Preferred | Not accepting new patients |
| Standard Silver + Vision + Adult Dental | EPO · Silver | Preferred | Not accepting new patients |
BlueCross BlueShield of Tennessee
Network data as of Aug 25, 2026, as reported by the insurer.
Show all 12 plans from BlueCross BlueShield of Tennessee
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueCross B15E $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Bronze | Blue Network E | Accepting new patients |
| BlueCross B16E $50 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Expanded Bronze | Blue Network E | Accepting new patients |
| BlueCross B16S $50 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Expanded Bronze | Blue Network S | Accepting new patients |
| BlueCross B17E $0 virtual care from Teladoc Health® + Adult Dental (8 plan variants) | EPO · Bronze | Blue Network E | Accepting new patients |
| BlueCross B19E $60 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Expanded Bronze | Blue Network E | Accepting new patients |
| BlueCross G08E $30 PCP Copay + $0 virtual care from Teladoc Health ® (8 plan variants) | EPO · Gold | Blue Network E | Accepting new patients |
| BlueCross G08S $30 PCP Copay + $0 virtual care from Teladoc Health ® (8 plan variants) | EPO · Gold | Blue Network S | Accepting new patients |
| BlueCross S26E $40 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Silver | Blue Network E | Accepting new patients |
| BlueCross S26S $40 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Silver | Blue Network S | Accepting new patients |
| BlueCross S27E $60 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Silver | Blue Network E | Accepting new patients |
| BlueCross S29E $60 PCP Copay + $0 virtual care from Teladoc Health® + Adult Dental (8 plan variants) | EPO · Silver | Blue Network E | Accepting new patients |
| BlueCross S34E $45 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Silver | Blue Network E | Accepting new patients |
Cigna Healthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 10 plans from Cigna Healthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Connect Bronze 7500 Indiv Med Deductible | EPO · Bronze | Preferred | Accepting new patients |
| Connect Bronze 8500 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze CMS Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Gold 1500 Indiv Med Deductible | EPO · Gold | Preferred | Accepting new patients |
| Connect Gold CMS Standard | EPO · Gold | Preferred | Accepting new patients |
| Connect myDiabetesCare Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect myDiabetesCare Silver | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver 3000 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver 4500 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver CMS Standard | EPO · Silver | Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 16, 2026, as reported by the insurer.
Show all 12 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus (Virtual Urgent Care, No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Copay Focus + (Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential (No Referrals) | EPO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard (No Referrals) | EPO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage (Virtual Urgent Care, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage + (Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus (Virtual Urgent Care, No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard (No Referrals) | EPO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage (Virtual Urgent Care, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage + (Virtual Urgent Care, Dental + Vision, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus (Virtual Urgent Care, No Referrals) | EPO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard (No Referrals) | EPO · 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 A. 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 A. Williams is enrolled to bill Medicare as a Practitioner - Internal Medicine .
Bills through: Saint Thomas Medical Partners
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.
Payments received
Drug payment
| Pfizer | $243 |
| Janssen | $198 |
| Regeneron | $45 |
Other
| Food and Beverage | $632 |
Studies
Graduated in 1986Other ways to reach out
- Website: https://healthcare.ascension.org/doctors/1538103692/john-a-williams-nashville-tn
Affiliated practices
Affiliated hospitals
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- Address: FL 7 300 20th Avenue North Nashville, 37203, TN
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- Address: Suite C 2222 State Street Nashville, 37203, TN
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- Address: 555 Hartsville Pike Gallatin, 37066, TN
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- Address: 2312 Elliston Place Nashville, 37203, TN
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- Address: Suite 400 2400 Patterson Street Nashville, 37203, TN
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- Address: Suite 311 2400 Patterson Street Nashville, 37203, TN
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- Address: Suite 100 222 22nd Avenue North Nashville, 37203, TN
Questions & Answers
Where can you meet with Dr. John A. Williams?
Dr. John A. Williams's office is located at 300 20th Avenue North 9th Floor in Nashville, TN 37203.
What conditions does Dr. John A. Williams treat?
Dr. John A. Williams provides treatment for Anemia, Asthma, Cystitis, Gastroesophageal Reflux Disease (GERD), Headache, Peptic Ulcer. For the full list see this list.
Does Dr. John A. Williams accept patients with BlueCross BlueShield of Tennessee?
Yes, Dr. John A. Williams is listed in-network for BlueCross BlueShield of Tennessee through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. John A. Williams affiliation with hospitals?
Dr. John A. Williams is affiliated with WILLIAMSON MEDICAL CENTER. For the full list of hospitals see this list.
Does Dr. John A. Williams have affiliation with practices?
Dr. John A. Williams is affiliated with Southern Pet Scan. For the full list of practices see this list.