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