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
- Allergy Status To Drugs And Substances
- Aspergillosis
- Bacterial Food Poisoning
- Bone Infection (OSTEOMYELITIS)
- Carrier Of TB
- Cellulitis Of The Leg
- Chlamydial Infections
- Clostridium Difficile Colitis
- Cryptococcosis In HIV Patients
- Cryptococcosis Of The Lungs
- Cutaneous Abscess
- Dermatophytosis (RINGWORM)
- Dermatophytosis Of The Foot
- Enlarged Lymph Nodes In The Neck
- Enterovirus Infection
- Fungal Infections
- Fungal Infections Of Skin
- Fungal Meningitis
- Fungal Otitis Externa
- Gallbladder Disease
- Hepatitis A
- Hepatitis B
- Herpes (GENITAL HERPES)
- Human Immunodeficiency Virus (HIV)
- Infectious Gastroenteritis
- Intestinal Infections
- Intraspinal Granuloma
- Joint Infection (SEPTIC ARTHRITIS)
- Kidney Blockage
- Osteomyelitis Of The Leg
- Parasitic Infection
- Penile Inflammation
- Pertussis
- Polycystic Liver Disease
- Prosthetic Joint Infection Of The Knee
- Protozoal Diseases
- Pulmonary Tuberculosis
- Scarlet Fever
- Sedative Use Disorder
- Spinal Granuloma
- Staphylococcal Infection
- Syphilis
- Syphilis In Pregnancy
- Traveler's Diarrhea
- Trichotillomania
- 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
- Health Promotion Counseling
- Helicobacter Pylori Stool Test
- Hiv Pre-Exposure Prophylaxis (PREP)
- Immunoglobulin Administration
- Mep (MOTOR EVOKED POTENTIALS)
- Nasal Culture
- Rapid Flu Testing
- Rast Test
- Real-Time Pcr
- Sexually Transmitted Disease Testing
- Sexually Transmitted Infection (STI) Testing
- 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
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- Choice POS
- Medicare Advantage - Advantra Value (PPO)
- Aetna Advantage 6350
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- Kaiser Permanente Signature
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Amerigroup DC Alliance
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- Choice Fund PPO
- United Healthcare Options (PPO)
- CareFirst FEP Blue Focus
- UHC Passport
- Aetna Advantage 6350PD
- Cigna True Choice Medicare (PPO)
- Kaiser Maryland Medicaid MCO
- WellPoint Maryland - Maryland Health Choice
- Aetna Signature Administrator PPO/TPA
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Aetna Worker's Compensation Network
- Optimum Choice
- Aetna Premier 200PD
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- United Healthcare Community Plan - VA Medicaid MCO
- CareFirst Group Medicare Advantage
- CareFirst EPO
- Jai Medical Systems - Maryland Health Choice
- Kaiser Permanente Signature - Added Choice
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- Coventry Health Care National Network PPO
- Optimum Choice Preferred (POS)
- Aetna Advantage 5750
- Johns Hopkins Advantage MD HMO
- M.D. IPA Preferred (POS)
- Core Essential (HMO)
- Humana Gold Plus HMO
- Johns Hopkins Advantage MD PPO
- Great-West Healthcare POS/CIGNA
- Choice POS II Open Access
- Medicare Direct
- United HealthCare Community Plan - Maryland Health Choice Program
- Anthem BCBS Medi Blue Plus
- Anthem BCBS of VA HealthKeepers Plus
- Private Health Care Systems (PPO)
- Anthem Federal Employee Program Standard
- CareFirst Community Health Plan of MD
- CareFirst Administrators
- CareFirst Blue Preferred PPO
- Kaiser Permanente Select - Added Choice
- UnitedHealthcare Individual Exchange Plans
- United Healthcare Choice Cardiac Global
- MedStar Family Choice DC Healthcare Alliance
- Priority Partners - Maryland Health Choice
- First Health PPO
- CareFirst Dual Prime HMO-SNP
- HealthyBlue PPO
- United Healthcare Select Plus (POS)
- Aetna Quality Point of Service (POS)
- Aetna VA Exchange
- CareFirst MedStar Select PPO
- Kaiser Permanente Flexible Choice POS Cardiac Global
- HumanaChoice PPO
- Kaiser Permanente Select
- Aetna Better Health of VA
- DC/MD SHOP QHP Small Business Plans
- Johns Hopkins Advantage MD PLUS PPO
- Kaiser Permanente Medicare Plus
- UnitedHealthcare and AARP Medicare Complete Plans
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- IH-Open HMO Option
- Anthem BCBS of VA HealthKeepers (HMO)
- Mamsi Life & Health (Indem./PPO)
- Anthem BCBS Medi Blue Dual Adv
- IH-Indemnity
- Aetna Open Choice (PPO)
- AMERIVANTAGE/Amerigroup Community Care
- Amerigroup DC Healthy Families
- CareFirst BlueChoice HMO
- Alterwood Advanatge HMO & DSNP Plans
- Cigna True Choice Plus Medicare (PPO)
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Kaiser Permanente Medicare Advantage Signature and Select
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Uniformed Services Family Health Plan
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Private Fee-for-Service Plans (PFFS)
- IH-Open EPO Plus
- Kaiser Permanente Flexible Choice 3-tier POS
- Maryland Physicians Care MCO
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- TRICARE for Life East
- MedStar Family Choice - Maryland Health Choice
- OCI Direct (HMO)
- CareFirst MedStar PPO
- BlueChoice Open Access
- UnitedHealthcare Individual Exchange Plans
- IH-HMO
- United Healthcare Choice Plus Cardiac Global
- Aetna HMO
- IH-Network Only Plus
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- IH-POS Plus
- Magellan Complete Care of VA - VA Medicaid MCO
- IH-PPO
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Aetna Managed Choice Open Access (POS)
- CareFirst (NCA) Indemnity
- IH-Open POS Plus
- Medicare FFS
- CIGNA Connect EPO
- Aetna Basic
- Coventry Health Care of Virginia
- HighMark
- United Healthcare Choice Plus
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- Cigna Preferred Medicare (HMO)
- Humana Medicare Advantage - HMO Open Access
- Aetna Elect Choice/ Open Access (POS)
- Mamsi Life & Health (Indem./PPO)
- IH-Open HMO
- IH-POS
- CIGNA Indemnity
- M.D. IPA (HMO)
- Kaiser Permanente Select Cardiac Global
- Veterans Affairs Community Care Network
- Lasso Healthcare - Medicare Medical Savings Account
- Aetna Classic 5000
- IH-Open POS II
- Anthem Federal Employee Program Basic
- Healthy Blue (HMO, POS)
- Aetna Medicare Advantage HMO & PPO Plans
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Sentara Health
- HumanaChoice Honor's plan PPO
- Choice POS II
- Kaiser Permanente HMO Plus and DHMO Plus Member
- Aetna Classic 5000PD
- AmeriHealth Caritas DC Healthcare Alliance
- AmeriHealth Caritas DC Healthy Families
- OA Plus
- TRICARE East Select
- Police and Fire Clinic
- CIGNA EPO
- Cigna TotalCare (HMO D-SNP)
- United Medicare Private Fee-for-Service (PFFS) plans
- Health Services for Children with Special Needs
- TRICARE East Prime
- CIGNA HMO Open Access
- Anthem BCBS Medi Blue SNP
- United Healthcare Choice
- Aetna Managed Choice (POS)
- CareFirst Federal Employee Program (Std. & Basic PPO)
- CIGNA POS/Network POS
- MedStar Family Choice - Maryland Health Choice
- CIGNA PPO
- MultiPlan, Inc
- POS OA
- Aetna Traditional Choice (PPO)
- Blue Choice Advantage
- Employee Health Plan
- Choice Care Network/HUMANA (PPO)
- IH-Open Network Only Plus
- CIGNA PPO Plus
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- CareFirst Blue Choice Opt Out Open Access
- Optima Family Care MCO - VA Medicaid MCO
- Humana Medicare Advantage - PPO
- Aetna Classic 3500
- CareFirst Maryland Indemnity or PPO
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- MedStar Family Choice DC Healthy Families
- Aetna Better Health of MD
- Coventry of Delaware HMO/PPO
- First Health PPO
- CareFirst Maryland Point of Service Plan
- United Healthcare Select HMO - EPO/NPP
- Cigna Alliance Medicare (HMO)
- Aetna Medicare Advantage PFFS Plan
- United Student Resources
- TriWest Healthcare Alliance
- IH-EPO Plus
- Tricare Reserve Select
- CIGNA SureFit (HMO)
- MedStar Family Choice DC Healthcare Alliance
- United Healthcare Navigate Cardiac Global
- NYC Medicare Advantage Plus
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Options PPO Cardiac Global
- Beech Street PPO
- CIGNA HMO & Network (HMO)
- Aetna Student Health Insurance
- CareFirst NASCO
- Advantra Platinum (PPO)
- Geisinger Medicare Advantage
- Select HMO/HealthFund/Health Network
- CareFirst Blue Card Program
- Cigna Achieve Medicare (HMO C-SNP)
- Network OA
- Erickson Advantage Plans
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