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