Calvin Thomas Williams, MD| Infectious Diseases | MedStar Health

Calvin Thomas Williams, MD
Provider is directly employed by MedStar Health

4.8 out of 5 (250 reviews)

Specialties: Infectious Diseases

Languages: English

(410) 554-2032

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 "Top Doc" by Baltimore Magazine for infectious disease.

Clinical areas of focus

  • Cellulitis
  • Clostridium Difficile
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Human Immunodeficiency Virus (HIV)
  • Malaria
  • Methicillin Resistant Staphylococcus Aureus
  • Mycobacterial Infection
  • Osteomyelitis
  • Prosthetic Joint Infection
  • Sexually Transmitted Disease (STD)
  • Staphylococcus Infections
  • Travel Medicine
  • Travel Vaccination
  • Yellow Fever Vaccination
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Conditions and procedures

Conditions I treat

  • Acquired Immunodeficiency Syndrome (AIDS)
  • Aspergillosis Infection
  • Babesiosis Infection
  • Bacterial Endocarditis
  • Bartonellosis Diseases
  • Cellulitis
  • Cerebral Toxoplasmosis
  • Chagas Disease
  • Chronic Osteomyelitis
  • Clostridium Difficile
  • Coccidioidomycosis
  • Cryptococcosis
  • Cryptosporidiosis
  • Encephalitis
  • Fever Of Unknown Origin
  • Fungemia
  • Genital Herpes, Male
  • Giardiasis
  • Gonorrhea
  • Helminthiasis
  • Hepatitis
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Herpes
  • Herpes Zoster
  • Histoplasmosis
  • Human Immunodeficiency Virus (HIV)
  • Joint Infection
  • Leishmaniasis
  • Leprosy
  • Leptospirosis
  • Listeriosis
  • Lyme Disease
  • Malaria
  • Meningitis
  • Methicillin Resistant Staphylococcus Aureus
  • Mucormycosis
  • Mycobacterial Infection
  • Mycosis
  • Osteomyelitis
  • Parasitic Diseases
  • Pneumocystis Carinii
  • Pneumonia
  • Prosthetic Joint Infection
  • Q Fever
  • Schistosomiasis
  • Septic Arthritis
  • Sexually Transmitted Disease (STD)
  • Spirochetal Infection
  • Sporotrichosis
  • Spotted Fevers
  • Staphylococcus Infections
  • Subacute Bacterial Endocarditis
  • Syphilis
  • Tick Borne Infections
  • Toxoplasmosis
  • Transplant Related Infection
  • Traveler's Diarrhea
  • Tuberculosis
  • Varicella
  • Viral Encephalitis
  • Viral Meningitis
  • West Nile Virus
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Procedures I perform

  • Anal Pap Smear
  • Antiretroviral Salvage Therapy
  • Flu Shot Vaccination
  • Hepatitis A Vaccination
  • Hepatitis B Vaccination
  • Human Papilloma Virus (HPV) Vaccination
  • Japanese Encephalitis Vaccination
  • Measles Vaccination
  • Meningitis Vaccination
  • Meningococcal Vaccine
  • MMR Vaccine
  • Pneumonia Vaccination
  • Polio Vaccination
  • Pre Exposure Prophylaxis (PREP)
  • Rabies Vaccination
  • Shingles Vaccination
  • Travel Medicine
  • Travel Vaccination
  • Tropical Medicine
  • Tuberculosis (TB) Test
  • Typhoid Fever Vaccination
  • Yellow Fever Vaccination
  • Zika Virus Testing
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Practice locations

Distance from Change LocationEnter your Location

3333 North Calvert Street
Suite 670
Baltimore, MD, 21218

410-554-4501

Fax 410-554-2032

Get Directions

miles away

Fax 410-554-2032

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
    • Blue Choice Advantage & Healthy Blue (HMO, POS)
    • UnitedHealthcare and AARP Medicare Complete Plans/ UHC Group Medicare Advantage Plans HMO, POS, PPO
    • United Healthcare Options (PPO) (includes Empire PPO, GEHA, Compass Rose)
    • UnitedHealthcare Medicare Adv/Special Needs Plans
    • UHC Community Plan of MD
    • Private Health Care Systems (PHCS) (PPO)
    • Medicare Fee for Service
    • Kaiser Virginia Premier
    • Kaiser PermanenteSelect-Added Choice
    • Kaiser Permanente Signature-Added Choice
    • Kaiser Permanente Signature
    • Kaiser Permanente Select
    • Kaiser Permanente Medicare Plus (Medicare Supplemental Plan)
    • Kaiser Permanente Flexible Choice POS
    • Kaiser MD Medicaid MCO
    • Cigna HealthSpring Medicare Advantage
    • CFBCBS Federal Employee Program (Std/Basic PPO/Blue Focus)
    • CFBCBS EPO
    • Aetna Better Health of Maryland
    • Aetna Innovations: HMO & EPO Plus
    • Select HMO/HealthFund/Health Network
    • Aetna HMO
    • Open POS II
    • Innovation Health: Open POS Plus
    • Choice POS & Choice POS II
    • Aetna Managed Choice Open Access (POS)
    • Open EPO Plus
    • Opoen HMO Option
    • Open HMO
    • Innovation Health: POS
    • Aetna HMO-Open Access/Select OA/HealthFund/Health Network Option OA
    • Innovation Health: Open Network Only Plus
    • Aetna Elect Choice/ Open Access (POS)
    • Innovation Health: POS Plus
    • Aetna Managed Choice (POS)
    • Innovation Health: PPO
    • Aetna Open Choice (PPO)
    • Innovation Health: Indemnity
    • Aetna Traditional Choice (PPO)
    • BlueChoice Open Access
    • CFBCBS Blue Choice Opt Out Open Access
    • HealthyBlue PPO
    • CFBSBC Blue Preferred PPO
    • Choice Fund PPO
    • PPO and PPO Plus
    • CIGNA EPO
    • POS OA & OA Plus
    • Network OA
    • CIGNA HMO Open Access (OA)
    • United Healthcare Choice
    • Coventry Health Care National Network PPO
    • Aetna Worker's Compensation Network
    • Mamsi Life & Health (Indem./PPO)
    • Optimum Choice Preferred (POS) & OCI Direct (HMO)
    • M.D. IPA Preferred (POS)
    • M.D. IPA (HMO)
    • United Student Resources
    • United Healthcare Choice Plus
    • United Healthcare Select Plus (POS)
    • United Healthcare Select HMO - EPO/NPP
    • MedStar Select (MedStar Associates' Plan)
    • MedStar Family Choice - Maryland Health Choice
    • Tricare for Life (Medicare Supplemental Plan)
    • Tricare Prime
    • FIRST HEALTH
    • First Health PPO
    • Coventry of Delaware HMO/PPO
    • Coventry Health Care of Virginia
    • CIGNA Indemnity
    • Great-West Healthcare POS/CIGNA
    • CIGNA POS/Network POS
    • CIGNA HMO & Network (HMO)
    • CFBCBS (NCA) Indemnity
    • CFBCBS Maryland Indemnity or PPO
    • CFBCBS Maryland Point of Service Plan (MPOS)
    • CFBCBS Blue Choice Opt Out Plus Open Access (POS)
    • CFBCBS BlueChoice HMO
    • Aetna Medicare Advantage HMO & PPO Plans
    • Aetna Student Health Insurance
    • Aetna Quality Point of Service (POS)
    • Aetna Elect Choice/ EPO (Aetna Health Fund) Innovation Health: Network Only Plus

Education

Board Certification: American Board of Internal Medicine, Internal Medicine

Board Certification: American Board of Internal Medicine, Infectious Disease

Fellowship Program: University of Maryland School of Medicine (2016)

Residency Program: Christiana Care Health System (2014)

Medical School: University of Maryland School of Medicine (2011)

Awards

    • Baltimore Magazine, Top Doc, 2019. 

Ratings and reviews

  • Explanations the care provider gave you about your problem or condition

    4.8
  • Extent to which the care provider listened to you

    4.9
  • Care provider's discussion of any proposed treatment (options, risks, benefits, etc.)

    4.8
  • Care provider's efforts to include you in decisions about your care

    4.9
  • Concern the care provider showed for your questions or worries

    4.8
  • Likelihood of recommending this care provider to others

    4.8
  • Nov 29, 2023

    Good

  • Oct 26, 2023

    Excellent experience

  • Oct 5, 2023

    He was very professional and knowledgeable-We felt very good taken care of