Calvin Thomas Williams, MD| Infectious Disease | 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
- Antibiotic Therapy
- Bone Infection (OSTEOMYELITIS)
- Dopamine Therapy
- Gastroenterology Care
- Hepatitis B
- Hiv Pre-Exposure Prophylaxis (PREP)
- Rast Test
- Sexually Transmitted Disease Testing
- Sexually Transmitted Infection (STI) Testing
- Travel Health Consultation
- Vaccinations
Conditions and procedures
Conditions I treat
- Abnormal Immunological Findings
- Abscess Of The Lung
- Abscess Of The Mediastinum
- Aspergillosis
- Bacterial Food Poisoning
- Bacterial Pneumonia
- Bone Infection (OSTEOMYELITIS)
- Carrier Of Infectious Disease
- Carrier Of Mrsa
- Carrier Of TB
- Cellulitis Of The Leg
- Chlamydial Infections
- Clostridium Difficile Colitis
- Common Variable Immunodeficiency
- Cryptococcosis In HIV Patients
- Cryptococcosis Of The Lungs
- Cutaneous Abscess
- Dermatophytosis (RINGWORM)
- Dermatophytosis Of The Foot
- Early Stage Syphilis
- Early Syphilis
- Enterovirus Infection
- Fungal Infections
- Fungal Infections Of Skin
- Fungal Meningitis
- Fungal Otitis Externa
- Giardiasis
- Helminthiases
- Hepatitis A
- Hepatitis B
- Herpes (GENITAL HERPES)
- Human Immunodeficiency Virus (HIV)
- Infectious Gastroenteritis
- Inflammatory Spondylopathies
- Influenza In Immunocompromised Patients
- Intestinal Infections
- Intraspinal Granuloma
- Joint Infection (SEPTIC ARTHRITIS)
- Late Stage Syphilis
- Lymphadenitis
- Malaria In Travelers
- Mycobacterial Infections Of The Lungs
- Nocardiosis Of The Lungs
- Osteomyelitis Of The Leg
- Osteomyelitis Of The Spine
- Parasitic Infection
- Penile Inflammation
- Pertussis
- Prosthetic Joint Infection Of The Knee
- Protozoal Diseases
- Pulmonary Tuberculosis
- Scarlet Fever
- Spinal Granuloma
- Staphylococcal Infection
- Syphilis
- Syphilis In Pregnancy
- Traveler's Diarrhea
- Tuberculosis In Children
- Urethritis
- Vibrio Infections
- Viral Hepatitis
- Yellow Fever
Procedures I perform
- Antibiotic Therapy
- Bacteriology Testing
- Bone Biopsy
- Cellulitis Treatment
- Cystitis Treatment
- Cytomegalovirus (CMV) Testing
- Dopamine Therapy
- Ectopic Cilia Treatment
- Gastroenterology Care
- Gram Stain
- Health Promotion Counseling
- Helicobacter Pylori Stool Test
- Hepatitis C Genotyping
- Hiv Pre-Exposure Prophylaxis (PREP)
- Immunoglobulin Administration
- Lumbar Puncture
- Malaria Treatment
- Mep (MOTOR EVOKED POTENTIALS)
- Methicillin-Resistant Staphylococcus Aureus (MRSA) Screening
- Nasal Culture
- Osteomyelitis Treatment
- Prosthetic Joint Infection Treatment
- Rapid Flu Testing
- Rast Test
- Real-Time Pcr
- Sexually Transmitted Disease Testing
- Sexually Transmitted Infection (STI) Testing
- Staphylococcus Aureus Screening
- Sti Treatment
- Travel Health Consultation
- Tuberculosis Testing
- Urinary Protein Test
- Vaccinations
- Western Blotting
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 Student Health Insurance
- HumanaChoice PPO
- Tricare Reserve Select
- Aetna Better Health of VA
- Aetna Worker's Compensation Network
- United Healthcare Choice Plus
- Anthem BCBS of VA HealthKeepers Plus
- CIGNA POS/Network POS
- Amerigroup DC Healthy Families
- Choice POS II
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Kaiser Permanente Medicare Plus
- Aetna Better Health of MD
- Aetna Traditional Choice (PPO)
- Aetna Classic 3500
- Kaiser Permanente Flexible Choice 3-tier POS
- Humana Medicare Advantage - HMO Open Access
- AMERIVANTAGE/Amerigroup Community Care
- Aetna Premier 200PD
- CIGNA Indemnity
- CIGNA Connect EPO
- Aetna Advantage 6350
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Uniformed Services Family Health Plan
- Coventry Health Care of Virginia
- Healthy Blue (HMO, POS)
- Humana Medicare Advantage - PPO
- Health Services for Children with Special Needs
- POS OA
- CareFirst NASCO
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- United Medicare Private Fee-for-Service (PFFS) plans
- Core Essential (HMO)
- CareFirst Group Medicare Advantage
- United HealthCare Community Plan - Maryland Health Choice Program
- Aetna Managed Choice (POS)
- Kaiser Permanente Select Cardiac Global
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Aetna Medicare Advantage PFFS Plan
- Aetna Managed Choice Open Access (POS)
- Aetna VA Exchange
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Optimum Choice
- Options PPO Cardiac Global
- Johns Hopkins Advantage MD PPO
- Optimum Choice Preferred (POS)
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Blue Choice Advantage
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- CareFirst Blue Choice Opt Out Open Access
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- United Healthcare Select HMO - EPO/NPP
- Choice Care Network/HUMANA (PPO)
- Cigna Preferred Medicare (HMO)
- IH-Open HMO Option
- First Health PPO
- CIGNA PPO Plus
- Aetna Elect Choice/ Open Access (POS)
- Kaiser Maryland Medicaid MCO
- Priority Partners - Maryland Health Choice
- CareFirst MedStar Select PPO
- Choice POS
- United Healthcare Choice Cardiac Global
- TriWest Healthcare Alliance
- Coventry Health Care National Network PPO
- OCI Direct (HMO)
- CareFirst FEP Blue Focus
- Anthem BCBS Medi Blue Dual Adv
- Aetna Classic 5000PD
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- United Healthcare Select Plus (POS)
- Aetna Signature Administrator PPO/TPA
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Choice Fund PPO
- OA Plus
- Optima Family Care MCO - VA Medicaid MCO
- Kaiser Permanente Signature - Added Choice
- M.D. IPA (HMO)
- Cigna TotalCare (HMO D-SNP)
- CareFirst (NCA) Indemnity
- AmeriHealth Caritas DC Healthy Families
- HighMark
- IH-Indemnity
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Select HMO/HealthFund/Health Network
- Private Health Care Systems (PPO)
- Cigna Achieve Medicare (HMO C-SNP)
- IH-POS Plus
- IH-Open HMO
- Veterans Affairs Community Care Network
- Humana Gold Plus HMO
- UHC Passport
- United Healthcare Choice Plus Cardiac Global
- United Healthcare Navigate Cardiac Global
- WellPoint Maryland - Maryland Health Choice
- CareFirst BlueChoice HMO
- Anthem BCBS of VA HealthKeepers (HMO)
- Geisinger Medicare Advantage
- First Health PPO
- Cigna True Choice Medicare (PPO)
- MedStar Family Choice DC Healthy Families
- Coventry of Delaware HMO/PPO
- Kaiser Permanente Medicare Advantage Signature and Select
- CIGNA PPO
- CareFirst EPO
- IH-PPO
- Aetna Classic 5000
- Johns Hopkins Advantage MD HMO
- Great-West Healthcare POS/CIGNA
- AmeriHealth Caritas DC Healthcare Alliance
- Cigna True Choice Plus Medicare (PPO)
- CareFirst Administrators
- CareFirst Blue Card Program
- IH-Network Only Plus
- IH-EPO Plus
- Choice POS II Open Access
- Medicare Advantage - Advantra Value (PPO)
- CIGNA SureFit (HMO)
- MedStar Family Choice - Maryland Health Choice
- Kaiser Permanente Signature
- United Healthcare Options (PPO)
- Anthem BCBS Medi Blue Plus
- Network OA
- Anthem Federal Employee Program Basic
- CareFirst Community Health Plan of MD
- NYC Medicare Advantage Plus
- CIGNA EPO
- Beech Street PPO
- Navigate
- DC/MD SHOP QHP Small Business Plans
- HumanaChoice Honor's plan PPO
- CareFirst Dual Prime HMO-SNP
- CareFirst MedStar PPO
- Kaiser Permanente Select - Added Choice
- Anthem Federal Employee Program Standard
- Aetna Quality Point of Service (POS)
- TRICARE East Select
- MultiPlan, Inc
- IH-Open EPO Plus
- Private Fee-for-Service Plans (PFFS)
- Medicare FFS
- Kaiser Permanente Select
- IH-Open Network Only Plus
- Cigna Alliance Medicare (HMO)
- IH-HMO
- Anthem BCBS Medi Blue SNP
- Advantra Platinum (PPO)
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Magellan Complete Care of VA - VA Medicaid MCO
- Employee Health Plan
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- UnitedHealthcare and AARP Medicare Complete Plans
- United Student Resources
- Aetna Advantage 5750
- Amerigroup DC Alliance
- Johns Hopkins Advantage MD PLUS PPO
- Erickson Advantage Plans
- MedStar Family Choice DC Healthcare Alliance
- CareFirst Maryland Indemnity or PPO
- United Healthcare Choice
- IH-Open POS II
- CareFirst Federal Employee Program (Std. & Basic PPO)
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Sentara Health
- Kaiser Permanente Flexible Choice POS Cardiac Global
- CareFirst Maryland Point of Service Plan
- IH-Open POS Plus
- M.D. IPA Preferred (POS)
- Aetna HMO
- BlueChoice Open Access
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Police and Fire Clinic
- CareFirst Blue Preferred PPO
- Alterwood Advanatge HMO & DSNP Plans
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- TRICARE East Prime
- Lasso Healthcare - Medicare Medical Savings Account
- Mamsi Life & Health (Indem./PPO)
- CIGNA HMO & Network (HMO)
- Aetna Open Choice (PPO)
- Aetna Basic
- Aetna Advantage 6350PD
- Jai Medical Systems - Maryland Health Choice
- Maryland Physicians Care MCO
- CIGNA HMO Open Access
- United Healthcare Community Plan - VA Medicaid MCO
- HealthyBlue PPO
- Aetna Medicare Advantage HMO & PPO Plans
- TRICARE for Life East
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- UnitedHealthcare Individual Exchange Plans
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Medicare Direct
- IH-POS
Education
Board Certification: American Board of Internal Medicine, Internal Medicine
Fellowship: University of Maryland Medical System (2016)
Medical School: University of Maryland School of Medicine (2011)
Awards
- Baltimore Magazine, Top Doc, 2019, 2021