DR. JOHN RANDOLPH DRYDEN M.D.
NPI 1275971699
Radiology - Vascular & Interventional Radiology in Bethesda, MD
About Dr. John Randolph Dryden M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN RANDOLPH DRYDEN M.D. (NPI 1275971699) is an individual vascular & interventional radiology provider in Bethesda, Maryland, licensed in California (A131969) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Good Samaritan Hospital Of Suffern, and is a graduate of University Of Texas Medical Branch At Galveston (2013).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Randolph Dryden M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show John Dryden reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Arlington, VA 22205
- Reassigned Medicare billing, District of Columbia enrollment
- 46 clinicians in this Medicare group
Ronceverte, WV 24970
- Reassigned Medicare billing, West Virginia enrollment
- 1,511 clinicians in this Medicare group
West Islip, NY 11795
- Reassigned Medicare billing, District of Columbia and New York enrollments
- 11 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Good Samaritan Hospital Of Suffern
Acute Care Hospitals · Suffern, NYVirginia Hospital Center
Acute Care Hospitals · Arlington, VACharleston Area Medical Center
Acute Care Hospitals · Charleston, WVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20889 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BETHESDA, MD 20889
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Dryden's NPI number?
The NPI number for John Dryden is 1275971699. It was assigned to this individual provider in the NPPES registry on June 7, 2013.
Where is John Dryden located?
John Dryden practices at 8901 Rockville Pike Bldg 9, Bethesda, MD 20889. The listed phone number is (301) 295-5030.
What is John Dryden's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is John Dryden enrolled in Medicare?
Yes. John Dryden is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Dryden's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Dryden reassigns Medicare benefits to 3 organizations: Northern Virginia Radiology Consultants, PLLC (Arlington, VA), Charleston Area Medical Center, Inc. (Ronceverte, WV) and Empire State Radiology P C (West Islip, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Dryden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Dryden accept?
Health plans from CareSource list John Dryden as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Dryden affiliated with any hospitals?
According to CMS data, John Dryden is affiliated with Good Samaritan Hospital Of Suffern, Virginia Hospital Center and Charleston Area Medical Center.
When was this NPI record last updated?
The NPPES record for John Dryden was last updated on May 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.