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
Practice locations
Distance from Change Location Enter your Location
3333 N Calvert St
Ste 670
Baltimore, MD, 21218
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 Traditional Choice (PPO)
- CareFirst Dual Prime HMO-SNP
- CIGNA POS/Network POS
- Choice Care Network/HUMANA (PPO)
- Humana Gold Plus HMO
- Private Health Care Systems (PPO)
- Navigate
- Fee-for-Service (FFS) District of Columbia, Maryland and Virginia Medicaid
- Aetna Medicare Advantage HMO & PPO Plans
- Optimum Choice Preferred (POS)
- CareFirst BlueChoice HMO
- HumanaChoice Honor's plan PPO
- Johns Hopkins Advantage MD PLUS PPO
- Aetna Basic
- Aetna VA Exchange
- Aetna Medicare Advantage PFFS Plan
- Humana Medicare Advantage - PPO
- Cigna True Choice Plus Medicare (PPO)
- Optimum Choice
- Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
- Aetna HMO
- Anthem BCBS of VA HealthKeepers Plus
- BlueChoice Open Access
- Aetna Worker's Compensation Network
- Network OA
- United Healthcare Navigate Cardiac Global
- CIGNA Connect EPO
- Magellan Complete Care of VA - VA Medicaid MCO
- Kaiser Permanente Select
- CareFirst Administrators
- Cigna True Choice Medicare (PPO)
- United Healthcare Choice Plus Cardiac Global
- OCI Direct (HMO)
- BCBS of Michigan (BCN Advantage,Security Blue, Freedom, Medicare PLUS Blue Group PPO)
- TRICARE East Select
- AMERIVANTAGE/Amerigroup Community Care
- Aetna Signature Administrator PPO/TPA
- Anthem BCBS of VA HealthKeepers (POS & POS OA)
- HUMANA/Choice Care Medicare Plans (Choice, Gold Choice)
- MultiPlan, Inc
- Anthem Federal Employee Program Standard
- CIGNA HMO Open Access
- Jai Medical Systems - Maryland Health Choice
- United Healthcare Select HMO-EPO/NPP Cardiac Global
- IH-Open HMO Option
- Aetna Better Health of MD
- Kaiser Permanente Flexible Choice POS Cardiac Global
- Medicare Advantage - Advantra Value (PPO)
- Beech Street PPO
- Healthy Blue (HMO, POS)
- CareFirst BlueCross BlueShield Advantage Core/Enhanced
- Kaiser Permanente Signature - Added Choice
- Optimum Choice & Optimum Choice Preferred (POS) Cardiac Global
- Aetna Classic 5000
- Aetna Managed Choice (POS)
- IH-Open POS II
- OA Plus
- Aetna Advantage 6350
- UnitedHealthcare and AARP Medicare Complete Plans
- Kaiser Permanente Medicare Advantage Signature and Select
- United Healthcare Select Plus (POS)
- Aetna Advantage 5750
- Aetna Elect Choice/ EPO (Aetna Health Fund)
- Anthem BCBS Medi Blue Plus
- Kaiser Permanente HMO Plus and DHMO Plus Member
- TRICARE East Prime
- HumanaChoice PPO
- NYC Medicare Advantage Plus
- CIGNA PPO
- Anthem BCBS of VA HealthKeepers (HMO)
- Cigna Preferred Medicare (HMO)
- Kaiser Permanente Medicare Plus
- CareFirst Community Health Plan of MD
- Johns Hopkins Advantage MD PPO
- Choice POS II Open Access
- CareFirst Blue Preferred PPO
- Great-West Healthcare POS/CIGNA
- CareFirst Maryland Indemnity or PPO
- M.D. IPA (HMO)
- HealthyBlue PPO
- M.D. IPA Preferred (POS)
- Medicare Direct
- United Healthcare Select HMO - EPO/NPP
- United Healthcare Community Plan - VA Medicaid MCO
- Sentara Health
- WellPoint Maryland - Maryland Health Choice
- BCBS Out-of-State Medicare Plans (Blue Advantage)
- Aetna Managed Choice Open Access (POS)
- CIGNA HMO & Network (HMO)
- Choice POS II
- IH-Open POS Plus
- CareFirst NASCO
- TriWest Healthcare Alliance
- HighMark
- Kaiser Permanente Select Cardiac Global
- Aetna Elect Choice/ Open Access (POS)
- CareFirst (NCA) Indemnity
- Mamsi Life & Health (Indem./PPO) Cardiac Global
- Aetna Student Health Insurance
- Aetna Advantage 6350PD
- Options PPO Cardiac Global
- Aetna Classic 3500
- IH-Open Network Only Plus
- Mamsi Life & Health (Indem./PPO)
- Medicare FFS
- MD IPA (HMO) & MD IPA Preferred Cardiac Global
- IH-PPO
- Police and Fire Clinic
- Aetna Quality Point of Service (POS)
- Aetna Open Choice (PPO)
- Priority Partners - Maryland Health Choice
- CareFirst MedStar Select PPO
- Employee Health Plan
- United HealthCare Community Plan - Maryland Health Choice Program
- Anthem Federal Employee Program Basic
- Blue Choice Advantage
- CareFirst Group Medicare Advantage
- Coventry Health Care of Virginia
- Health Services for Children with Special Needs
- United Healthcare Choice Plus
- UHC Passport
- Advantra Platinum (PPO)
- Kaiser Maryland Medicaid MCO
- Erickson Advantage Plans
- Alterwood Advanatge HMO & DSNP Plans
- Uniformed Services Family Health Plan
- CIGNA SureFit (HMO)
- IH-POS Plus
- IH-Open EPO Plus
- CareFirst EPO
- Lasso Healthcare - Medicare Medical Savings Account
- AmeriHealth Caritas DC Healthcare Alliance
- DC/MD SHOP QHP Small Business Plans
- Core Essential (HMO)
- Anthem BCBS Medi Blue SNP
- Choice POS
- Aetna Premier 200PD
- CIGNA PPO Plus
- Geisinger Medicare Advantage
- Kaiser Permaenete Signature - Added Choice Cardiac Global
- Amerigroup DC Healthy Families
- Optima Family Care MCO - VA Medicaid MCO
- CareFirst FEP Blue Focus
- Cigna Alliance Medicare (HMO)
- UnitedHealthcare Individual Exchange Plans
- CIGNA EPO
- CareFirst Group Medicare Advantage prescription drug benefit (PPO)
- POS OA
- Choice Fund PPO
- CareFirst Federal Employee Program (Std. & Basic PPO)
- Maryland Physicians Care MCO
- CIGNA Indemnity
- United Healthcare Options (PPO)
- Cigna TotalCare (HMO D-SNP)
- Coventry of Delaware HMO/PPO
- MedStar Family Choice DC Healthy Families
- IH-EPO Plus
- CareFirst Blue Choice Opt Out Open Access
- Johns Hopkins Advantage MD HMO
- IH-Open HMO
- Cigna Achieve Medicare (HMO C-SNP)
- Tricare Reserve Select
- United Healthcare Choice Cardiac Global
- Anthem BCBS Medi Blue Dual Adv
- Private Fee-for-Service Plans (PFFS)
- First Health PPO
- CareFirst Blue Choice Opt Out Plus Open Access (POS)
- United Healthcare Choice
- UnitedHealthcare Medicare Adv. Special Needs Plans
- Kaiser Permanente Flexible Choice 3-tier POS
- AmeriHealth Caritas DC Healthy Families
- CareFirst Maryland Point of Service Plan
- Kaiser Permanente Select - Added Choice
- Veterans Affairs Community Care Network
- Select HMO/HealthFund/Health Network
- Coventry Health Care National Network PPO
- Kaiser Permanente Signature
- United Medicare Private Fee-for-Service (PFFS) plans
- Anthem BCBS of VA Key Care POS/PPO/Indemnity
- CareFirst Blue Card Program
- Aetna Better Health of VA
- MedStar Family Choice DC Healthcare Alliance
- IH-POS
- IH-Indemnity
- United Student Resources
- First Health PPO
- MedStar Family Choice - Maryland Health Choice
- UHC Group Medicare Advantage Plans (HMO, POS, PPO)
- Amerigroup DC Alliance
- Humana Medicare Advantage - HMO Open Access
- UnitedHealthcare Medicare Advantage DSNP District of Columbia
- Aetna Classic 5000PD
- IH-Network Only Plus
- IH-HMO
- TRICARE for Life East
- CareFirst MedStar PPO
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