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

Dr. James Harrell Masterson, MD

Individual provider Urology Physician · NPI 1639330889

Dr. James Harrell Masterson, MD is an Urology in Annapolis, Maryland. Graduated from Uniformed Services Uhs Fe Hebert School of Med in 2008, 18 years ago. Practices with Chesapeake Urology Associates LLC, a 160-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maryland and Virginia.

Years since qualifying
18
Trained at
Uniformed Services Uhs Fe Hebert School of Med
Licensed in
MD, VA
In the registry since
2008
Specialties on file
3
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

810 Bestgate Rd Ste 235
Annapolis, MD 21401-3656
Phone: (443) 231-1500
Show map & directions

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

Additional practice locations (1)

  • 8901 Rockville Pike, Bethesda, MD 20889-0001 — (301) 526-1350

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence D0090586 (MD)
Urology Physician Taxonomy 208800000X · Licence 0101246002 (VA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1639330889
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 20, 2008
Last updated in NPPESMarch 12, 2025
Certification dateMarch 12, 2025
Mailing address10200 Grand Central Ave Ste 220, Owings Mills, MD 21117-4366

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolUNIFORMED SERVICES UHS FE HEBERT SCHOOL OF MED
Graduated 2008 (18 years in practice)
Group practice Chesapeake Urology Associates Llc — 160 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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