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