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

Geoffrey V Martin, MD

Individual provider Radiation Oncology Physician · NPI 1245675800

Geoffrey V Martin, MD is a Radiation Oncology in Gaithersburg, Maryland. Qualified in 2013, 13 years ago. Practices with Chesapeake Urology Associates LLC, a 160-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Illinois, Maryland and Ohio.

Years since qualifying
13
Licensed in
IL, MD, OH
In the registry since
2013
Specialties on file
3
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

808 W Diamond Ave Ste 650
Gaithersburg, MD 20878-1413
Phone: (240) 364-0900
Show map & directions

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

Additional practice locations (2)

  • 4305 Medical Center Dr Sage Cancer Center, McHenry, IL 60050 — (815) 344-8000
  • 3407 Wilkens Ave Ste 200, Baltimore, MD 21229-5221 — (410) 644-0929

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence D95725 (MD)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 036179546 (IL)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 35.134191 (OH)

Record details

NPI number1245675800
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 8, 2013
Last updated in NPPESMay 27, 2026
Certification dateMay 27, 2026

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Chesapeake Urology Associates Llc — 160 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare