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

Dr. John Randolph Dryden, MD

Individual provider Diagnostic Radiology Physician · NPI 1275971699

Dr. John Randolph Dryden, MD is an Interventional Radiology in Bethesda, Maryland. Graduated from University of Texas Medical Branch at Galveston in 2013, 13 years ago. Practices with Empire State Radiology P C, a 266-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
13
Trained at
University of Texas Medical Branch at Galveston
Licensed in
CA
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8901 Rockville Pike Bldg 9
Bethesda, MD 20889-0001
Phone: (301) 295-5030
Show map & directions

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

Specialties & licences

Vascular & Interventional Radiology Physician (primary) Taxonomy 2085R0204X · Licence A131969 (CA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence A131969 (CA)

Record details

NPI number1275971699
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 7, 2013
Last updated in NPPESMay 2, 2025
Certification dateMay 2, 2025

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL RADIOLOGY
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 2013 (13 years in practice)
Group practice Empire State Radiology P C — 266 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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