Dr. Barbara D. Alexander
- Gender: Female
- Experience: 28 years
- Graduated from: Brody School Of Medicine At East Carolina University
- Graduation year: 1993
- Sole propriator: No
- NPI: 1982747796
Dr. Barbara D. Alexander M.D.
Infectious Disease Specialist
She is located at Erwin Road in Durham, NC 27710. Can help patients with the following: Brucellosis, Eastern Equine Encephalitis (EEE), Gonorrhea, Hepatitis C (HCV), Sepsis, Zika Virus. Her National Provider Identifier (NPI) number is 1982747796. Appointment can be made via the phone number (919) 668-0789. She is affiliated with 2 practices and 1 hospitals.
Conditions treated
Dr. Barbara D. Alexander, being an infectious disease specialist, 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. Barbara D. Alexander.
- Abdominal Pain
- Acquired Immunodeficiency Syndrome (AIDS)
- Acute Pain
- Anemia
- Anthrax
- Arthritis
- Asthma
- Atherosclerosis
- Bacterial Vaginosis
- Bladder Control
- Boils
- Botulism
- Bronchitis
- Brucellosis
- Cancer
- Candida Auris
- Cat Scratch Disease
- Cellulitis
- Chagas Disease
- Chest Pain
- Chickenpox
- Chlamydia
- Cholecystitis
- Cholera
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic Rhinitis
- Common Cold
- Constipation
- Coronavirus
- Cryptococcosis
- Cystitis
- Cytomegalovirus (CMV)
- Dengue Fever
- Diarrhea
- Diphtheria
- E. Coli Infection
- Eastern Equine Encephalitis (EEE)
- Ebola Hemorrhagic Fever
- Edema
- Encephalitis
- Endocarditis
- Epididymitis
- Fever
- Fifth Disease
- Food Poisoning
- Gangrene
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Genital Herpes
- Giardiasis
- Gonorrhea
- Guinea Worm Disease
- Hand, Foot, and Mouth Disease (HFMD)
- Headache
- Heart Disease
- Helicobacter Pylori Infection
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Herpes Simplex Virus
- Hiatal Hernia
- High Blood Pressure
- Histoplasmosis
- Hot Flashes
- Human Immunodeficiency Virus (HIV)
- Human Papillomavirus (HPV)
- Hyperlipidemia
- Hyponatremia
- Impetigo
- Infectious Diseases
- Infectious Mononucleosis
- Influenza
- Inguinal Hernia
- Leishmaniasis
- Leprosy
- Leptospirosis
- Listeriosis
- Lyme Disease
- Mad Cow Disease
- Malaria
- Measles
- Meningitis
- Migraine
- Mumps
- Nail Fungus
- Nausea and Vomiting
- Necrotizing Fasciitis (NF)
- Neutropenia
- Obesity
- Osteomyelitis
- Osteoporosis
- Peptic Ulcer
- Pinworm Infection
- Pityriasis Rosea
- Pneumonia
- Polio
- Prescription Refill
- Rabies
- Rocky Mountain Spotted Fever (RMSF)
- Roseola
- Rubella
- Salmonella Food Poisoning
- Scabies
- Scarlet Fever
- Schistosomiasis
- Sepsis
- Severe Acute Respiratory Syndrome (SARS)
- Sexually Transmitted Diseases (STDs)
- Smallpox
- Sore Throat
- Staph Infection
- Stomach Flu
- Strep Throat
- Swine Flu
- Syphilis
- Tetanus
- Thrush
- Tonsillitis
- Toxic Shock Syndrome (TSS)
- Toxoplasmosis
- Trichinosis
- Tuberculosis (TB)
- Typhoid Fever
- Upper Respiratory Infection (URI)
- Urethritis
- Urinary Tract Infection (UTI)
- Valley Fever
- Viral Hemorrhagic Fever (VHF)
- West Nile Virus
- Whooping Cough
- Yaws
- Yeast Infection
- Yellow Fever
- Zika Virus
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Barbara D. Alexander as in-network for the following 2026 plans.
Health plans
Ambetter of North Carolina
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 29 plans from Ambetter of North Carolina
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Clear Silver with $0 Insulin Options | HMO · Silver | Preferred | Accepting new patients at some locations |
| Complete Gold | HMO · Gold | Preferred | Accepting new patients at some locations |
| Complete Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients at some locations |
| Complete Gold with Atrium Health | HMO · Gold | Preferred | Accepting new patients at some locations |
| Complete Gold with Atrium Health + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients at some locations |
| Elite Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Elite Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Elite Bronze with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Elite Bronze with Atrium Health + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Enhanced Asthma/COPD Care Silver with $0 Drug Options | HMO · Silver | Preferred | Accepting new patients at some locations |
| Enhanced Asthma/COPD Care Silver with $0 Drug Options + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients at some locations |
| Everyday Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Everyday Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Everyday Bronze with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Everyday Bronze with Atrium Health + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Focused Silver with Atrium Health | HMO · Silver | Preferred | Accepting new patients at some locations |
| Focused Silver with Atrium Health + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients at some locations |
| Standard Expanded Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Standard Expanded Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Standard Expanded Bronze with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Standard Expanded Bronze with Atrium Health + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Standard Gold | HMO · Gold | Preferred | Accepting new patients at some locations |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients at some locations |
| Standard Gold with Atrium Health | HMO · Gold | Preferred | Accepting new patients at some locations |
| Standard Gold with Atrium Health + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients at some locations |
| Standard Silver | HMO · Silver | Preferred | Accepting new patients at some locations |
| Standard Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients at some locations |
| Standard Silver with Atrium Health | HMO · Silver | Preferred | Accepting new patients at some locations |
| Standard Silver with Atrium Health + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients at some locations |
Cigna Healthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 17 plans from Cigna Healthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Connect Bronze 5500 Indiv Med Deductible | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze 6500 Indiv Med Deductible | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze CMS Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze RD 5000 Indiv Med Deductible | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze RD 6000 Indiv Med Deductible | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze RD CMS Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Gold 1500 Indiv Med Deductible | HMO · Gold | Preferred | Accepting new patients |
| Connect Gold CMS Standard | HMO · Gold | Preferred | Accepting new patients |
| Connect Gold RD CMS Standard | HMO · Gold | Preferred | Accepting new patients |
| Connect myDiabetesCare Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Connect myDiabetesCare Silver | HMO · Silver | Preferred | Accepting new patients |
| Connect Silver 3600 Indiv Med Deductible | HMO · Silver | Preferred | Accepting new patients |
| Connect Silver 5000 Indiv Med Deductible | HMO · Silver | Preferred | Accepting new patients |
| Connect Silver CMS Standard | HMO · Silver | Preferred | Accepting new patients |
| Connect Silver RD 3500 Indiv Med Deductible | HMO · Silver | Preferred | Accepting new patients |
| Connect Silver RD 5000 Indiv Med Deductible | HMO · Silver | Preferred | Accepting new patients |
| Connect Silver RD CMS Standard | HMO · 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. Barbara D. Alexander 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. Barbara D. Alexander is enrolled to bill Medicare as a Practitioner - Infectious Disease .
Bills through: Duke Health Integrated Practice Inc
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
| Astellas Pharma | $10748 |
| Shire North American Group | $5343 |
| Leadiant Biosciences | $3271 |
Other
| Consulting | $15200 |
| Travel and Lodging | $3078 |
| Food and Beverage | $1084 |
Studies
BRODY SCHOOL OF MEDICINE AT EAST CAROLINA UNIVERSITY
Graduated in 1993Additional Specialities
- Internist
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- Address: Erwin Road Durham, 27710, NC
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Questions & Answers
Does Dr. Barbara D. Alexander accept insurance?
Dr. Barbara D. Alexander is listed in-network for 46 ACA Marketplace (Obamacare/HealthCare.gov) plans from Ambetter of North Carolina, Cigna Healthcare. See the Marketplace plans section for details.
What conditions does Dr. Barbara D. Alexander treat?
Dr. Barbara D. Alexander provides treatment for Brucellosis, Eastern Equine Encephalitis (EEE), Gonorrhea, Hepatitis C (HCV), Sepsis, Zika Virus. For the full list see this list.
Has Dr. Barbara D. Alexander affiliation with hospitals?
Dr. Barbara D. Alexander is affiliated with DUKE UNIVERSITY HOSPITAL.
Where can you meet with Dr. Barbara D. Alexander?
Dr. Barbara D. Alexander's office is located at Erwin Road in Durham, NC 27710.
Does Dr. Barbara D. Alexander have affiliation with practices?
Dr. Barbara D. Alexander is affiliated with Duke Health Center of Clayton. For the full list of practices see this list.