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
- 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
- Enterovirus Infection
- Fungal Infections
- Fungal Infections Of Skin
- Fungal Meningitis
- Fungal Otitis Externa
- Hepatitis A
- Hepatitis B
- Herpes (GENITAL HERPES)
- Human Immunodeficiency Virus (HIV)
- Infectious Gastroenteritis
- Intestinal Infections
- Intraspinal Granuloma
- Joint Infection (SEPTIC ARTHRITIS)
- Late Stage Syphilis
- Lymphadenitis
- Mycobacterial Infections Of The Lungs
- Nocardiosis Of The Lungs
- Osteomyelitis Of The Leg
- 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
- Cystitis Treatment
- 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
- 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
- Johns Hopkins Advantage MD PPO
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- CareFirst Blue Card Program
- Humana Gold Plus HMO
- Amerigroup DC Healthy Families
- United Healthcare Select HMO - EPO/NPP
- United Healthcare Navigate Cardiac Global
- Healthy Blue (HMO, POS)
- Choice POS II
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Anthem Federal Employee Program Basic
- OCI Direct (HMO)
- CIGNA HMO Open Access
- Optimum Choice Preferred (POS)
- Aetna Managed Choice Open Access (POS)
- United Medicare Private Fee-for-Service (PFFS) plans
- Anthem BCBS Medi Blue SNP
- BlueChoice Open Access
- IH-EPO Plus
- Aetna Managed Choice (POS)
- Aetna Advantage 5750
- CIGNA Connect EPO
- United Healthcare Choice Plus Cardiac Global
- CIGNA PPO Plus
- AmeriHealth Caritas DC Healthcare Alliance
- CareFirst MedStar Select PPO
- Aetna Better Health of VA
- First Health PPO
- IH-PPO
- Veterans Affairs Community Care Network
- Anthem BCBS Medi Blue Dual Adv
- First Health PPO
- Kaiser Maryland Medicaid MCO
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- POS OA
- United Healthcare Choice
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- CareFirst Maryland Indemnity or PPO
- HealthyBlue PPO
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Aetna Classic 5000PD
- Cigna True Choice Medicare (PPO)
- IH-POS Plus
- Aetna Medicare Advantage HMO & PPO Plans
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Kaiser Permanente Select Cardiac Global
- Navigate
- Aetna Open Choice (PPO)
- United HealthCare Community Plan - Maryland Health Choice Program
- TriWest Healthcare Alliance
- CareFirst BlueChoice HMO
- United Healthcare Choice Cardiac Global
- CareFirst Blue Choice Opt Out Open Access
- Coventry of Delaware HMO/PPO
- Tricare Reserve Select
- M.D. IPA Preferred (POS)
- Kaiser Permanente Signature - Added Choice
- HumanaChoice PPO
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Kaiser Permanente Select
- UnitedHealthcare and AARP Medicare Complete Plans
- Employee Health Plan
- Optimum Choice
- Lasso Healthcare - Medicare Medical Savings Account
- TRICARE East Select
- Options PPO Cardiac Global
- CareFirst Community Health Plan of MD
- Medicare Direct
- Choice Fund PPO
- Coventry Health Care National Network PPO
- UnitedHealthcare Individual Exchange Plans
- Choice POS II Open Access
- Aetna Student Health Insurance
- Aetna Better Health of MD
- MedStar Family Choice DC Healthcare Alliance
- United Healthcare Community Plan - VA Medicaid MCO
- Medicare FFS
- AMERIVANTAGE/Amerigroup Community Care
- Johns Hopkins Advantage MD HMO
- Kaiser Permanente Signature
- Kaiser Permanente Select - Added Choice
- Private Health Care Systems (PPO)
- CareFirst FEP Blue Focus
- Aetna Advantage 6350
- CareFirst Administrators
- MultiPlan, Inc
- Aetna Quality Point of Service (POS)
- Humana Medicare Advantage - PPO
- Beech Street PPO
- CIGNA POS/Network POS
- IH-Network Only Plus
- IH-Open Network Only Plus
- Network OA
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- CareFirst (NCA) Indemnity
- IH-HMO
- Magellan Complete Care of VA - VA Medicaid MCO
- Anthem BCBS of VA HealthKeepers (HMO)
- Aetna Medicare Advantage PFFS Plan
- MedStar Family Choice DC Healthy Families
- Aetna Classic 3500
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- HumanaChoice Honor's plan PPO
- IH-Open HMO Option
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Cigna TotalCare (HMO D-SNP)
- Health Services for Children with Special Needs
- Kaiser Permanente Flexible Choice POS Cardiac Global
- IH-POS
- M.D. IPA (HMO)
- Great-West Healthcare POS/CIGNA
- Johns Hopkins Advantage MD PLUS PPO
- CareFirst MedStar PPO
- United Healthcare Options (PPO)
- WellPoint Maryland - Maryland Health Choice
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Aetna Signature Administrator PPO/TPA
- Choice POS
- IH-Indemnity
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- Humana Medicare Advantage - HMO Open Access
- Amerigroup DC Alliance
- OA Plus
- Aetna Premier 200PD
- Anthem BCBS of VA HealthKeepers Plus
- United Healthcare Select Plus (POS)
- CareFirst NASCO
- Aetna Classic 5000
- Anthem BCBS Medi Blue Plus
- TRICARE East Prime
- IH-Open POS II
- CIGNA SureFit (HMO)
- Cigna Achieve Medicare (HMO C-SNP)
- Maryland Physicians Care MCO
- DC/MD SHOP QHP Small Business Plans
- Sentara Health
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Erickson Advantage Plans
- HighMark
- Aetna VA Exchange
- Anthem Federal Employee Program Standard
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- CIGNA EPO
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- United Healthcare Choice Plus
- Priority Partners - Maryland Health Choice
- Kaiser Permanente Medicare Advantage Signature and Select
- Advantra Platinum (PPO)
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- CIGNA HMO & Network (HMO)
- CIGNA Indemnity
- MedStar Family Choice - Maryland Health Choice
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Mamsi Life & Health (Indem./PPO)
- Cigna Alliance Medicare (HMO)
- Aetna HMO
- TRICARE for Life East
- Choice Care Network/HUMANA (PPO)
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Optima Family Care MCO - VA Medicaid MCO
- IH-Open HMO
- Cigna True Choice Plus Medicare (PPO)
- CareFirst Dual Prime HMO-SNP
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- UHC Passport
- Aetna Advantage 6350PD
- NYC Medicare Advantage Plus
- Aetna Elect Choice/ Open Access (POS)
- CareFirst Group Medicare Advantage
- United Student Resources
- Aetna Basic
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- IH-Open POS Plus
- Cigna Preferred Medicare (HMO)
- Medicare Advantage - Advantra Value (PPO)
- Select HMO/HealthFund/Health Network
- Aetna Traditional Choice (PPO)
- Jai Medical Systems - Maryland Health Choice
- AmeriHealth Caritas DC Healthy Families
- CareFirst Maryland Point of Service Plan
- Uniformed Services Family Health Plan
- Kaiser Permanente Medicare Plus
- CareFirst Blue Preferred PPO
- Core Essential (HMO)
- Coventry Health Care of Virginia
- Private Fee-for-Service Plans (PFFS)
- Alterwood Advanatge HMO & DSNP Plans
- Geisinger Medicare Advantage
- IH-Open EPO Plus
- CIGNA PPO
- Kaiser Permanente Flexible Choice 3-tier POS
- CareFirst EPO
- Police and Fire Clinic
- Aetna Worker's Compensation Network
- Blue Choice Advantage
Education
Board Certification: American Board of Internal Medicine, Internal Medicine
Board Certification: American Board of Internal Medicine, Infectious Disease
Fellowship: University of Maryland Medical System (2016)
Medical School: University of Maryland School of Medicine (2011)
Awards
- Baltimore Magazine, Top Doc, 2019, 2021