Physician Profile
Unclaimed ProfileAbout MASTERSON
James Harrell Masterson, M.D. practises urology in Annapolis, MD. James is a 2008 graduate of Uniformed Services Uhs Fe Hebert School of Med. James is also listed as specialising in student in an organized health care education program. Medicare claims data shows James provided 2,220 services to 1,338 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
Common questions
What kind of doctor is Dr. Masterson?
Dr. Masterson is an urology in Annapolis, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “UROLOGY”.
NPI registry
What is Dr. Masterson's address?
Dr. Masterson is listed at 810 BESTGATE RD STE 235, Annapolis, MD 21401. 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. Masterson?
The number on file is (443) 231-1500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Masterson?
Dr. Masterson's National Provider Identifier is 1639330889. 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. Masterson train?
Dr. Masterson attended Uniformed Services Uhs Fe Hebert School of Med, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Masterson have?
Dr. Masterson has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Masterson perform?
According to Medicare billing data, Dr. Masterson performs procedures including insertion of needle into vein for collection of blood sample, diagnostic exam of bladder and urethra using an endoscope and ultrasound measurement of bladder capacity after voiding; reads or performs imaging such as limited ultrasound scan behind abdominal cavity and limited ultrasound scan of pelvis, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Masterson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Masterson. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (443) 231-1500
- Email not available
Practice Locations
810 BESTGATE RD STE 235
Annapolis, MD 21401
Procedures Most Often Billed to Medicare
2,220 services · 1,338 patients · 20 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
158 |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
86 |
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
82 |
| Biopsy of prostate gland | Procedure | 55700 |
41 |
| Electronic assessment of bladder emptying | Procedure | 51741 |
26 |
| Other procedure on male genital system | Procedure | 55899 |
22 |
| Injection procedure to cause erection | Procedure | 54235 |
11 |
| Limited ultrasound scan behind abdominal cavity | Imaging | 76775 |
58 |
| Limited ultrasound scan of pelvis | Imaging | 76857 |
49 |
| Ultrasound scan of pelvic region through rectum | Imaging | 76872 |
41 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other urology specialists at this location 4
Same specialty, same street address — most likely the same department or group.
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 urology specialists in Annapolis 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Uniformed Services Uhs Fe Hebert School of Med 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Uniformed Services Uhs Fe Hebert School of Med 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in MD who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.