Calvin Thomas Williams, MD| Infectious Diseases | MedStar Health
About me
Dr. Calvin Williams is a member of the inpatient Internal Medicine Faculty. In addition he provides inpatient infectious disease consults. He is involved in antibiotic utilization as well as infection control at MedStar Union Memorial Hospital. He completed medical school at the University of Maryland School of Medicine. He completed residency training in Internal Medicine at Christiana Care in Delaware and completed fellowship training in Infectious Disease at the University of Maryland.
Dr. Williams was named a 2019 and 2021 "Top Doc" by Baltimore Magazine for infectious disease.
Clinical areas of focus
- Cellulitis
- Clostridium Difficile
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Human Immunodeficiency Virus (HIV)
- Malaria
- Methicillin Resistant Staphylococcus Aureus
- Mycobacterial Infection
- Osteomyelitis
- Prosthetic Joint Infection
- Sexually Transmitted Disease (STD)
- Staphylococcus Infections
- Travel Medicine
- Travel Vaccination
- Yellow Fever Vaccination
Conditions and procedures
Conditions I treat
- Acquired Immunodeficiency Syndrome (AIDS)
- Aspergillosis Infection
- Babesiosis Infection
- Bacterial Endocarditis
- Bartonellosis Diseases
- Cellulitis
- Cerebral Toxoplasmosis
- Chagas Disease
- Chronic Osteomyelitis
- Clostridium Difficile
- Coccidioidomycosis
- Cryptococcosis
- Cryptosporidiosis
- Encephalitis
- Fever Of Unknown Origin
- Fungemia
- Genital Herpes, Male
- Giardiasis
- Gonorrhea
- Helminthiasis
- Hepatitis
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Herpes
- Herpes Zoster
- Histoplasmosis
- Human Immunodeficiency Virus (HIV)
- Joint Infection
- Leishmaniasis
- Leprosy
- Leptospirosis
- Listeriosis
- Lyme Disease
- Malaria
- Meningitis
- Methicillin Resistant Staphylococcus Aureus
- Mucormycosis
- Mycobacterial Infection
- Mycosis
- Osteomyelitis
- Parasitic Diseases
- Pneumocystis Carinii
- Pneumonia
- Prosthetic Joint Infection
- Q Fever
- Schistosomiasis
- Septic Arthritis
- Sexually Transmitted Disease (STD)
- Spirochetal Infection
- Sporotrichosis
- Spotted Fevers
- Staphylococcus Infections
- Subacute Bacterial Endocarditis
- Syphilis
- Tick Borne Infections
- Toxoplasmosis
- Transplant Related Infection
- Traveler's Diarrhea
- Tuberculosis
- Varicella
- Viral Encephalitis
- Viral Meningitis
- West Nile Virus
Procedures I perform
- Anal Pap Smear
- Antiretroviral Salvage Therapy
- Flu Shot Vaccination
- Hepatitis A Vaccination
- Hepatitis B Vaccination
- Human Papilloma Virus (HPV) Vaccination
- Japanese Encephalitis Vaccination
- Measles Vaccination
- Meningitis Vaccination
- Meningococcal Vaccine
- MMR Vaccine
- Pneumonia Vaccination
- Polio Vaccination
- Pre Exposure Prophylaxis (PREP)
- Rabies Vaccination
- Shingles Vaccination
- Travel Medicine
- Travel Vaccination
- Tropical Medicine
- Tuberculosis (TB) Test
- Typhoid Fever Vaccination
- Yellow Fever Vaccination
- Zika Virus Testing
Insurance
MedStar Health accepts most major health insurance plans. If you are uncertain as to whether your individual health insurance plan is accepted at MedStar Health, please call your insurance company.
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List of insurance plans we accept
- Aetna Medicare Advantage HMO & PPO Plans
- Innovation Health: Open POS Plus
- Innovation Health: Open POS II
- Aetna Managed Choice Open Access (POS)
- Aetna Choice POS & Choice POS II
- Innovation Health: POS Plus
- Aetna Managed Choice (POS)
- Innovation Health: POS
- Aetna Open HMO/Open HMO Option/Open EPO Plus
- Aetna HMO-Open Access/Select OA
- Aetna HealthFund/Health Network Option OA
- Innovation Health: HMO & EPO Plus
- Aetna Select HMO/HealthFund/Health Network
- Aetna HMO
- Innovation Health: Open Network Only Plus
- Aetna Elect Choice/ Open Access (POS)
- Innovation Health: Network Only Plus
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Employee Health Plan (EHP)
- Cigna TotalCare (HMO D-SNP)
- Cigna Preferred Medicare
- Cigna Alliance Medicare (HMO) |
- Cigna Achieve Medicare (HMO C-SNP)
- Veterans Affairs Community Care Network (VA CCN)
- United Medicare Advantage DSNP District of Columbia
- United Student Resources
- United Select Plus (POS)
- United Select HMO - EPO/NPP
- United Options (PPO) (includes Empire PPO)
- United Golden Rule
- United GEHA (for all other states) Compass Rose
- D-SNP)
- I-SNP
- United Nursing Home Plan (C-SNP
- United Erickson Advantage Plans
- United Choice Plus
- United Choice
- United Mamsi Life & Health
- United Core Essential (HMO)
- United Navigate
- MedStar Family Choice DC Healthy Families
- MedStar Family Choice DC Healthcare Alliance
- United MD IPA Preferred (POS)
- United MD IPA (HMO)
- Kaiser Permanente Signature-Added Choice
- Kaiser Signature
- Kaiser HMO Plus and DHMO Plus Member
- Kaiser Select-Added Choice
- Kaiser Select
- Kaiser Medicare Plus
- Kaiser Medicare Advantage Signature and Select
- Kaiser Flexible Choice
- HumanaChoice PPO
- HumanaChoice Honor’s plan PPO
- Health Services for Children with Special Needs (HSCSN)
- Cigna True Choice Plus Medicare (PPO)
- Cigna True Choice Medicare (PPO)
- Cigna POS/Network POS
- Cigna Indemnity
- Cigna POS Open Access & Open Access Plus
- Cigna Network Open Access
- Cigna HMO Open Access
- Cigna PPO and PPO Plus
- Cigna EPO
- Cigna Choice Fund PPO
- Beech Street PPO
- Innovation Health: Indemnity
- Aetna Traditional Choice (PPO)
- Aetna Student Health Insurance
- Aetna Signature Administrator PPO/TPA
- Aetna Quality Point of Service (POS)
- Innovation Health: PPO
- Aetna Open Choice (PPO)
- Cigna HMO & Network (HMO)
- WellPoint Maryland - Maryland Health Choice
- WellPoint Maryland
- Virginia Premier
- Veterans Affairs Community Care Network
- UnitedHealthcare Individual Exchange Plans
- United Community Plan - Maryland Health Choice Program
- Uniformed Services Family Health Plan (USFHP)
- Private Health Care Systems (PHCS) (PPO)
- Priority Partners - Maryland Health Choice
- Police and Fire Clinic
- United Optimum Choice Preferred (POS) & OCI Direct (HMO)
- United Optimum Choice
- United Group Medicare Advantage Plans
- United AARP Medicare Complete
- Traditional Medicare Fee for Service
- Medicaid - Virginia
- Medicaid - Maryland
- Medicaid - District of Columbia
- Tricare for Life East
- Tricare Reserve Select
- Tricare East Select
- Tricare East Prime
- Maryland Point of Service Plan (MPOS)
- HealthyBlue PPO
- Federal Employee Program (Std/Basic PPO/Blue Focus)
- CareFirst NASCO
- CareFirst MedStar Select PPO
- CareFirst MedStar PPO
- CareFirst Maryland Indemnity or PPO
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- CareFirst Group Medicare Advantage
- CareFirst BC/BS Advantage Core/Enhanced
- CareFirst Blue Card Program (Out-of-area BCBS plans)
- CareFirst Administrators
- CareFirst (NCA) Indemnity
- Carefirst BlueChoice Opt Out Plus Open Access (POS)
- Carefirst Healthy Blue (HMO/POS)
- Carefirst BlueChoice Opt Out Open Access
- Carefirst BlueChoice Open Access
- Carefirst BlueChoice HMO
- Carefirst EPO
- Carefirst Blue Preferred PPO
- Coventry Health Care National Network PPO
- MedStar Family Choice - Maryland Health Choice
- First Health PPO
- Coventry of Delaware HMO/PPO
- Coventry Health Care of Virginia
- Great-West Healthcare POS/CIGNA
Education
Board Certification: American Board of Internal Medicine, Internal Medicine
Board Certification: American Board of Internal Medicine, Infectious Disease
Fellowship Program: University of Maryland School of Medicine (2016)
Residency Program: Christiana Care Health System (2014)
Medical School: University of Maryland School of Medicine (2011)
Awards
- Baltimore Magazine, Top Doc, 2019, 2021