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

Dr. Timothy J Greenan, MD

Individual provider Specialist · NPI 1073562088

Dr. Timothy J Greenan, MD is a Diagnostic Radiology in Rockville, Maryland. Graduated from State University of Ny Upstate Medical University in 1986, 40 years ago. Practices with Delaware Radiology Associates PA, a 59-clinician group and accepts Medicare assignment. Licensed in Maryland, New York and Pennsylvania.

Years since qualifying
40
Trained at
State University of Ny Upstate Medical University
Licensed in
MD, NY, PA
In the registry since
2006
Specialties on file
4
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

14915 Broschart Rd Ste 102
Rockville, MD 20850
Phone: (301) 251-7897
Fax: (301) 251-7898
Show map & directions

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

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence D0041613 (MD)
Specialist Taxonomy 174400000X · Licence MD044122E (PA)
Specialist Taxonomy 174400000X · Licence D0041613 (MD)
Specialist Taxonomy 174400000X · Licence 205142 (NY)

Record details

NPI number1073562088
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 8, 2006
Last updated in NPPESOctober 15, 2021
Certification dateOctober 15, 2021

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolSTATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY
Graduated 1986 (40 years in practice)
Group practice Delaware Radiology Associates Pa — 59 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations8 on file with Medicare

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