Brain Injuries, TraumaticIntracranial Pressure
Dr. Robert Bryan Mason II, MD
NPI1639195795PAC ID7517944648
- Medicare services, 2024
- 257
- Medicare patients, 2024
- 175
- Publications
- 9
- MIPS score, 2024
- 83
- Hospital affiliations
- 1
- Practice address
- 3800 Reservoir NW Rd, Washington, DC 20007
- Practice phone
- Call (202) 444-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medstar Georgetown Medical Center
Washington, District of Columbia
Find Dr. Mason's professional email, personal email and mobile number
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Dr. Robert Bryan Mason II is a neurosurgeon in Washington, District of Columbia
Dr. Mason practices at Medstar Georgetown Medical Center in Washington, District of Columbia.
Dr. Mason's NPI, 1639195795, was assigned on July 14, 2006. Dr. Mason graduated from Uniformed Services UHS Fe Hebert School of Med in 1990. Dr. Mason holds Maryland license D42402.
NPI and contact details
- NPI
- 1639195795NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517944648
- NPI enumeration date
- July 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (202) 444-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Bryan Mason II practices at Medstar Georgetown Medical Center in Washington, District of Columbia
Dr. Mason's primary practice is Medstar Georgetown Medical Center, at 3800 Reservoir NW Rd, Washington, DC 20007 in District Of Columbia County. The practice phone is (202) 444-1400.
- Medstar Georgetown Medical Center3800 Reservoir NW Rd, Washington, DC 20007 · District Of Columbia CountyPhone(202) 444-1400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Bryan Mason II is affiliated with 4 sites of care and 2 medical groups
Dr. Mason's primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Dr. Mason is also affiliated with MedStar Washington Hospital Center. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Mason to 1 more group practice or clinic, 1 home health agency and 1 medical group, each named with a free account.
Medstar Georgetown Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Bryan Mason II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mason practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medstar Georgetown Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Bryan Mason II is one of 34 neurosurgeons in District of Columbia
Neurological surgery is Dr. Mason's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Mason is licensed in Maryland.
Specialties and state licenses
- Neurological surgery, MarylandPrimary
Clinical focus
Dmand AI lists back and neck pain treatment without fusion, craniotomy, lower back pain, neck pain and spine problems and spinal fusion among the conditions Dr. Mason treats.
Neurosurgeons near Dr. Mason
Counts of neurosurgeons 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. Robert Bryan Mason II billed Medicare for 257 services in 2024
CMS data shows 257 Medicare services from Dr. Mason across 7 procedure codes in 2024, for 175 Medicare patients. Medicare paid $39,490 for them.
Medicare services, 2024257
Medicare patients175
Paid by Medicare$39,490
Procedure codes7
Dr. Mason's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2422024: 20515%
- Surgery
- 2023: 1212024: 5257%
Where Dr. Mason's Medicare services took place, 2024
- In an office20580%
- In a facility5220%
Dr. Mason compared with the District of Columbia median for neurosurgeons, 2024
- Dr. Mason
- District of Columbia median
- Medicare services
- 257vs 35227% below
- Medicare patients
- 175vs 26734% below
Medians across 25 neurosurgeons in District of Columbia with Dmand AI profiles that report each measure.
Dr. Mason'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. Mason?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mason and other neurosurgeons in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Bryan Mason II treated 175 Medicare patients in 2024, average age 74
CMS counts 175 Medicare patients who saw Dr. Mason in 2024. The largest group is 65 to 74, with 80 patients. 75% of them have arthritis, and 75% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mason's median patient age at 62, with 52% women.
Medicare patients, 2024175
Average age74
Average risk score1.44
Also on Medicaid15%
Dr. Mason's Medicare patients by age, 2024
Dr. Mason's Medicare patients by sex, 2024
- Women10962%
- Men6638%
Chronic conditions among Dr. Mason's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Mood disorders37%
- Diabetes36%
- Anxiety31%
- Depression31%
- Ischemic heart disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mason's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women52%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Bryan Mason II scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Mason for performance year 2024, reported as part of a group. Dr. Mason accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 31 procedures of spinal fusion by Dr. Mason, more than 45% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Mason's MIPS scores, performance year 2024
- 83of 100Final score
- 72.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 68of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Mason ranks in Medicare procedure volume
- Spinal fusion
- 45th percentile31 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 45th percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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)
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Dr. Robert Bryan Mason II has 9 publications on record
Dmand AI links 9 papers to Dr. Mason, published from 2015 to 2024. 2022 was the busiest year, with 2. The most frequent topics are Skull and Vertebral Artery. Dr. Mason has published most often in Oper Neurosurg (Hagerstown). Dr. Mason's most frequent co-authors are Ehsan Parchehbaf Dowlati, MD, Daniel Roque Felbaum, MD and Rocco A. Armonda, MD.
Papers9
Years published2015 to 2024
Dr. Mason's papers by year, 2015 to 2024
Topics Dr. Mason writes about most
- Skull
- Vertebral Artery
Dr. Mason's most frequent co-authors
- Ehsan Parchehbaf Dowlati, MD6 shared papers
- Daniel Roque Felbaum, MD6 shared papers
- Rocco A. Armonda, MD4 shared papers
Recent publications by Dr. Mason
Costs and Cost AnalysisDecompressive CraniectomyPlastic Surgery Procedures
Spinal Cord Ser Cases
Axis, Cervical VertebraBrain InfarctionCervical Vertebrae
AdenomaCraniopharyngiomaDiagnosis, Differential
See who Dr. Mason researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mason works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Bryan Mason II received $73 in industry payments from 2019 to 2021
CMS Open Payments shows 3 general payments to Dr. Mason from 3 drug and device companies from 2019 to 2021. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $45.
General payments to Dr. Mason by program year, 2019 to 2021
Companies that paid Dr. Mason the most, 2019 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Bryan Mason II has 1 award and honors on record
Dmand AI lists 1 award for Dr. Mason.
Awards and honors for Dr. Mason
- Undated
- AANS Fellow
Source: Dmand AI Professional Profile Data
Dr. Robert Bryan Mason II graduated from Uniformed Services UHS Fe Hebert School of Med
Dr. Mason graduated from Uniformed Services UHS Fe Hebert School of Med in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Robert Bryan Mason II accepts plans from 15 insurance carriers
Dr. Mason is in network with 15 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Cigna
- Aspirus Health Plan
- Blue Cross Blue Shield of Michigan
- HCSC
- Humana
- +7 more carriersWith a free account
Plan types Dr. Mason accepts, by number of carriers
- PPO9
- HMO8
- Medicare7
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Bryan Mason II'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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Robert Bryan Mason II
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. Robert Bryan Mason II's NPI number?
Dr. Robert Bryan Mason II's NPI number is 1639195795. It was assigned on July 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Bryan Mason II?
Dr. Robert Bryan Mason II is a neurosurgeon in Washington, District of Columbia. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Robert Bryan Mason II practice?
Dr. Mason practices at 3800 Reservoir NW Rd, Washington, DC 20007. Dr. Mason's primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Dmand AI also links Dr. Mason to 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Dr. Robert Bryan Mason II's office phone number?
The practice phone on file for Dr. Mason is (202) 444-1400.
What is Dr. Robert Bryan Mason II's medical license number?
Dr. Mason holds Maryland license D42402.
Which hospitals is Dr. Robert Bryan Mason II affiliated with?
Dr. Mason is affiliated with MedStar Washington Hospital Center.
What medical group is Dr. Robert Bryan Mason II part of?
Dr. Mason is linked to MedStar Medical Group. Dmand AI links Dr. Mason to 1 more medical group.
Does Dr. Robert Bryan Mason II accept Medicare?
Yes. CMS data shows Dr. Mason billed Medicare for 257 services in 2024, and Dr. Mason accepts Medicare assignment.
What is Dr. Robert Bryan Mason II's MIPS score?
Dr. Mason's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Robert Bryan Mason II see?
CMS counts 175 Medicare patients who saw Dr. Mason in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does Dr. Robert Bryan Mason II bill to Medicare?
In 2024, Dr. Mason's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. Robert Bryan Mason II go to medical school?
Dr. Mason graduated from Uniformed Services UHS Fe Hebert School of Med in 1990.
Has Dr. Robert Bryan Mason II received payments from drug or device companies?
CMS Open Payments shows $73 in general payments to Dr. Mason from 3 companies from 2019 to 2021. The largest total came from Stryker Corporation.
How long has Dr. Robert Bryan Mason II been practicing?
Dr. Mason graduated from medical school in 1990, 36 years ago.
Does Dr. Robert Bryan Mason II do research?
Dmand AI links 9 publications to Dr. Mason, published from 2015 to 2024.
Who does Dr. Robert Bryan Mason II publish with?
Dr. Mason's most frequent co-authors are Ehsan Parchehbaf Dowlati, MD (6 shared papers), Daniel Roque Felbaum, MD (6 shared papers) and Rocco A. Armonda, MD (4 shared papers).
What insurance does Dr. Robert Bryan Mason II accept?
Dr. Mason is in network with 15 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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