Dr. James Harrell Masterson, MD
- Medicare services, 2024
- 2,220
- Medicare patients, 2024
- 388
- Part D claims, 2024
- 668
- Publications
- 1
- MIPS score, 2024
- 100
- Practice address
- 251 National Harbor Blvd, Oxon Hill, MD 20745
- Practice phone
- Call (855) 527-7246
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Clearway Surgery Center of National Harbor LLC
Oxon Hill, Maryland
Find Dr. Masterson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. James Harrell Masterson is a urologist in Oxon Hill, Maryland
Dr. Masterson practices at Clearway Surgery Center of National Harbor LLC in Oxon Hill, Maryland.
Dr. Masterson's NPI, 1639330889, was assigned on June 20, 2008. Dr. Masterson graduated from Uniformed Services UHS Fe Hebert School of Med in 2008. Dr. Masterson holds Virginia license 0101246002.
- NPI
- 1639330889NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517254683
- NPI enumeration date
- June 20, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (855) 527-7246
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Harrell Masterson practices at Clearway Surgery Center of National Harbor LLC in Oxon Hill, Maryland
Dr. Masterson's primary practice is Clearway Surgery Center of National Harbor LLC, at 251 National Harbor Blvd, Oxon Hill, MD 20745 in Prince Georges County. The practice phone is (855) 527-7246.
- Clearway Surgery Center of National Harbor LLC251 National Harbor Blvd, Oxon Hill, MD 20745 · Prince Georges CountyPhone(855) 527-7246
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James Harrell Masterson is affiliated with 6 sites of care and 2 medical groups
Dr. Masterson's primary practice is Clearway Surgery Center of National Harbor LLC in Oxon Hill, Maryland. Dr. Masterson is also affiliated with Luminis Health Anne Arundel Medical Center. The medical group on file is Chesapeake Urology Associates. Dmand AI also links Dr. Masterson to 3 more hospitals, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. James Harrell Masterson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Masterson practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Clearway Surgery Center of National Harbor LLC | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James Harrell Masterson is one of 268 urologists in Maryland
Urology is Dr. Masterson's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dmand AI has Dr. Masterson's licenses on file in 2 states: Virginia and Maryland.
Specialties and state licenses
- Urology, VirginiaPrimary
- Maryland license
Urologists near Dr. Masterson
Counts of urologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. James Harrell Masterson billed Medicare for 2,220 services in 2024
CMS data shows 2,220 Medicare services from Dr. Masterson across 19 procedure codes in 2024, for 388 Medicare patients. Medicare paid $91,463 for them.
Dr. Masterson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6142024: 90748%
- Surgery
- 2023: 4402024: 4263%
- Other services
- 2023: 02024: 413
- Lab and pathology
- 2023: 2592024: 30919%
- Imaging
- 2023: 1212024: 16536%
Where Dr. Masterson's Medicare services took place, 2024
- In an office2,03592%
- In a facility1858%
Dr. Masterson compared with the Maryland median for urologists, 2024
- Dr. Masterson
- Maryland median
- Medicare services
- 2,220vs 2,52212% below
- Medicare patients
- 388vs 69044% below
- Part D claims
- 552vs 6008% below
Medians across 265 urologists in Maryland with Dmand AI profiles that report each measure.
Dr. Masterson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Masterson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Masterson and other urologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Harrell Masterson treated 388 Medicare patients in 2024, average age 74
CMS counts 388 Medicare patients who saw Dr. Masterson in 2024. The largest group is 65 to 74, with 195 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Masterson's median patient age at 64, with 12% women.
Dr. Masterson's Medicare patients by age, 2024
Dr. Masterson's Medicare patients by sex, 2024
- Women6316%
- Men32584%
Chronic conditions among Dr. Masterson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Cancer31%
- Diabetes31%
- Ischemic heart disease29%
- Chronic kidney disease24%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Masterson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women12%
- Men87%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Harrell Masterson wrote 668 Medicare Part D claims in 2024
In 2024, Dr. Masterson wrote 668 Medicare Part D claims for 221 patients. 89% of them were for generic drugs. CMS names the drug for 552 of them, across 13 drugs with 11 or more claims each, at $80,557 in total drug cost. In 2023, CMS named 304 claims across 9 drugs.
Dr. Masterson's Part D claims by kind of drug, 2024
- Generic593 claims89%
- Brand-name75 claims11%
Dr. Masterson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Masterson's Part D claims, 2024
- Antibiotics29%191 of 668 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3042024: 55282%
Drugs named by CMS: 13 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. James Harrell Masterson scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Masterson for performance year 2024, reported as part of a group. Dr. Masterson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Masterson's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Prostate resection: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. James Harrell Masterson has 1 publication on record
Dmand AI links 1 paper to Dr. Masterson in 2018. Dr. Masterson's most frequent co-author is Vincent Mysliwiec, MD.
Dr. Masterson's most frequent co-authors
Recent publications by Dr. Masterson
See who Dr. Masterson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Masterson works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James Harrell Masterson received $13,856 in industry payments from 2018 to 2025
CMS Open Payments shows 475 general payments to Dr. Masterson from 48 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 82% of the total. Teleflex LLC paid the most, $2,124.
General payments to Dr. Masterson by program year, 2018 to 2025
General payments to Dr. Masterson by kind, 2018 to 2025
- Food and beverage$11,41382%
- Travel and lodging$2,05615%
- Speaker and faculty fees$2372%
- Education$1501%
Companies that paid Dr. Masterson the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Harrell Masterson graduated from Uniformed Services UHS Fe Hebert School of Med
Dr. Masterson graduated from Uniformed Services UHS Fe Hebert School of Med in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Harrell Masterson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. James Harrell Masterson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. James Harrell Masterson's NPI number?
Dr. James Harrell Masterson's NPI number is 1639330889. It was assigned on June 20, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. James Harrell Masterson?
Dr. James Harrell Masterson is a urologist in Oxon Hill, Maryland. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. James Harrell Masterson practice?
Dr. Masterson practices at 251 National Harbor Blvd, Oxon Hill, MD 20745. Dr. Masterson's primary practice is Clearway Surgery Center of National Harbor LLC in Oxon Hill, Maryland. Dmand AI also links Dr. Masterson to 3 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. James Harrell Masterson's office phone number?
The practice phone on file for Dr. Masterson is (855) 527-7246.
What is Dr. James Harrell Masterson's medical license number?
Dr. Masterson holds Virginia license 0101246002, one of the licenses on file in 2 states.
Which states has Dr. James Harrell Masterson been licensed in?
Dmand AI has state licenses on file for Dr. Masterson in Virginia and Maryland.
Which hospitals is Dr. James Harrell Masterson affiliated with?
Dr. Masterson is affiliated with Luminis Health Anne Arundel Medical Center. Dmand AI links Dr. Masterson to 3 more hospitals.
What medical group is Dr. James Harrell Masterson part of?
Dr. Masterson is linked to Chesapeake Urology Associates. Dmand AI links Dr. Masterson to 1 more medical group.
Does Dr. James Harrell Masterson accept Medicare?
Yes. CMS data shows Dr. Masterson billed Medicare for 2,220 services in 2024, and Dr. Masterson accepts Medicare assignment.
What is Dr. James Harrell Masterson's MIPS score?
Dr. Masterson's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. James Harrell Masterson see?
CMS counts 388 Medicare patients who saw Dr. Masterson in 2024, with an average age of 74.
What services does Dr. James Harrell Masterson bill to Medicare?
In 2024, Dr. Masterson's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and lab and pathology test (81003).
Where did Dr. James Harrell Masterson go to medical school?
Dr. Masterson graduated from Uniformed Services UHS Fe Hebert School of Med in 2008.
What drugs does Dr. James Harrell Masterson prescribe most?
In 2024 Medicare Part D data, Dr. Masterson's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Levofloxacin.
Has Dr. James Harrell Masterson received payments from drug or device companies?
CMS Open Payments shows $13,856 in general payments to Dr. Masterson from 48 companies from 2018 to 2025. The largest total came from Teleflex LLC.
How long has Dr. James Harrell Masterson been practicing?
Dr. Masterson graduated from medical school in 2008, 18 years ago.
Does Dr. James Harrell Masterson do research?
Dmand AI links 1 publication to Dr. Masterson.
Who does Dr. James Harrell Masterson publish with?
Dr. Masterson's most frequent co-authors are Vincent Mysliwiec, MD (1 shared paper).
Selling to urology practices?
See urologists in Maryland by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card