Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Christopher Downs, MD

Individual provider Medical Oncology Physician · NPI 1093780496

Dr. John Christopher Downs, MD is a Hematology/Oncology in Towson, Maryland. Graduated from State University of Ny Upstate Medical University in 1981, 45 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
45
Trained at
State University of Ny Upstate Medical University
Licensed in
MD
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

7505 Osler Dr Ste 302
Towson, MD 21204-7736
Phone: (410) 494-9099
Fax: (410) 825-5307
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 12502 Willowbrook Rd Ste 440, Cumberland, MD 21502-6567 — (240) 964-8680
  • 12500 Willowbrook Rd, Cumberland, MD 21502-6393 — (240) 964-7000

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence D0033624 (MD)

Record details

NPI number1093780496
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 20, 2006
Last updated in NPPESJanuary 22, 2020
Certification dateJanuary 22, 2020
Mailing address2401w Belvedere Ave, Credentialing Department, Baltimore, MD 21215-5216

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolSTATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY
Graduated 1981 (45 years in practice)
Group practice Medstar Medical Group Ii Llc — 3717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

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