Dr. Clayton L. Foster
- Gender: Male
- Experience: 10 years
- Graduated from: University Of Alabama School Of Medicine
- Graduation year: 2011
- Sole propriator: No
- NPI: 1003105255
Dr. Clayton L. Foster MD
Infectious Disease Specialist
He is located at 78-6831 Alii Drive Suite 422 in Kailua Kona, HI 96740. Can help patients with the following: Chagas Disease, Common Cold, Human Papillomavirus (HPV), Schistosomiasis, Valley Fever, Yaws. His National Provider Identifier (NPI) number is 1003105255. Appointment can be made via the phone number (808) 747-8321. He is affiliated with 3 practices and 1 hospitals.
Conditions treated
Dr. Clayton Lee Foster, 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. Clayton L. Foster.
- 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. Clayton L. Foster as in-network for the following 2026 plans.
Health plans
HMSA
Network data as of Sep 14, 2026, as reported by the insurer.
Show all 7 plans from HMSA
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| HMSA Bronze PPO I | PPO · Expanded Bronze | Preferred Provider Plan | Accepting new patients |
| HMSA Bronze PPO II HSA | PPO · Expanded Bronze | Preferred Provider Plan | Accepting new patients |
| HMSA Catastrophic Plan | PPO · Catastrophic | Preferred Provider Plan | Accepting new patients |
| HMSA Gold PPO I | PPO · Gold | Preferred Provider Plan | Accepting new patients |
| HMSA Gold PPO II | PPO · Gold | Preferred Provider Plan | Accepting new patients |
| HMSA Platinum PPO | PPO · Platinum | Preferred Provider Plan | Accepting new patients |
| HMSA Silver PPO | PPO · Silver | Preferred Provider Plan | Accepting new patients |
Kaiser Permanente
Network data as of Aug 5, 2025, as reported by the insurer.
Show all 10 plans from Kaiser Permanente
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| KP HI Bronze 6000/65 Plus CAM | HMO · Expanded Bronze | Preferred | Accepting new patients |
| KP HI Gold 0/40 Plus CAM | HMO · Gold | Preferred | Accepting new patients |
| KP HI Gold 1000 Ded/250 Rx Ded | HMO · Gold | Preferred | Accepting new patients |
| KP HI Platinum 0/5 Plus CAM | HMO · Platinum | Preferred | Accepting new patients |
| KP HI Silver 3000 Ded/600 Rx Ded Plus CAM | HMO · Silver | Preferred | Accepting new patients |
| KP HI Silver 4000 Ded/600 Rx Ded | HMO · Silver | Preferred | Accepting new patients |
| KP HI Standard Bronze 7500/50 | HMO · Expanded Bronze | Preferred | Accepting new patients |
| KP HI Standard Gold 2000/30 | HMO · Gold | Preferred | Accepting new patients |
| KP HI Standard Platinum 0/10 | HMO · Platinum | Preferred | Accepting new patients |
| KP HI Standard Silver 6000/40 | 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. Clayton L. Foster 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. Clayton L. Foster is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Infectious Disease) .
Bills through: Alii Health Center
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
| Merck | $679 |
| Allergan | $206 |
| Gilead Sciences Inc. | $122 |
Other
| Food and Beverage | $1411 |
Studies
UNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Graduated in 2011Additional Specialities
- Internist
Affiliated practices
Questions & Answers
What conditions does Dr. Clayton Lee Foster treat?
Dr. Clayton Lee Foster provides treatment for Chagas Disease, Common Cold, Human Papillomavirus (HPV), Schistosomiasis, Valley Fever, Yaws. For the full list see this list.
Where can you meet with Dr. Clayton Lee Foster?
Dr. Clayton Lee Foster's office is located at 78-6831 Alii Drive Suite 422 in Kailua Kona, HI 96740.
Has Dr. Clayton Lee Foster affiliation with hospitals?
Dr. Clayton Lee Foster is affiliated with HCA-HEALTHONE DBA SWEDISH MEDICAL CENTER.
Does Dr. Clayton Lee Foster accept insurance?
Dr. Clayton Lee Foster is listed in-network for 17 ACA Marketplace (Obamacare/HealthCare.gov) plans from HMSA, Kaiser Permanente. See the Marketplace plans section for details.
Does Dr. Clayton Lee Foster have affiliation with practices?
Dr. Clayton Lee Foster is affiliated with Endocrinology Specialists of Colorado LLC. For the full list of practices see this list.