Physician Profile
Unclaimed ProfileAbout DRYDEN
John Randolph Dryden, M.D. practices interventional radiology in Bethesda, MD. John is a 2013 graduate of University of Texas Medical Branch at Galveston. John is also listed as specializing in diagnostic radiology and vascular & interventional radiology. Medicare claims data shows John provided 176 services to 166 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (301) 295-5030
- Email not available
Practice Locations
8901 ROCKVILLE PIKE BLDG 9
Bethesda, MD 20889
Procedures Most Often Billed to Medicare
176 services · 166 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
108 |
| Ct scan head or brain without contrast | Imaging | 70450 |
29 |
| X-ray of abdomen, 1 view | Imaging | 74018 |
16 |
| Imaging for evaluation of swallowing function | Imaging | 74230 |
12 |
| X-ray of chest, 2 views | Imaging | 71046 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other interventional radiology specialists in Bethesda 1
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at University of Texas Medical Branch at Galveston 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at University of Texas Medical Branch at Galveston 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 6
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Dryden?
Dr. Dryden is an interventional radiology in Bethesda, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERVENTIONAL RADIOLOGY”.
NPI registry
What is Dr. Dryden's address?
Dr. Dryden is listed at 8901 ROCKVILLE PIKE BLDG 9, Bethesda, MD 20889. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Dryden?
The number on file is (301) 295-5030. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Dryden?
Dr. Dryden's National Provider Identifier is 1275971699. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Dryden train?
Dr. Dryden attended University of Texas Medical Branch at Galveston, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Dryden have?
Dr. Dryden has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Dryden perform?
According to Medicare billing data, Dr. Dryden performs imaging including x-ray of chest, 1 view and ct scan head or brain without contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Dryden's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Dryden. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.