Dr. John B. Mason, MD
- Medicare services, 2024
- 186
- Medicare patients, 2024
- 60
- Part D claims, 2024
- 187
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Practice address
- 2500 Hospital Drive, Martinsburg, WV 25401
- Practice phone
- Call (304) 264-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mason'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. John B. Mason is a psychiatrist in Martinsburg, West Virginia
Dr. Mason practices at WVU Medicine Berkeley Medical Center in Martinsburg, West Virginia, part of West Virginia University Health System.
Dr. Mason's NPI, 1104483643, was assigned on May 21, 2019. Dr. Mason holds West Virginia license 32364.
- NPI
- 1104483643NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638406788
- NPI enumeration date
- May 21, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (304) 264-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John B. Mason practices at WVU Medicine Berkeley Medical Center in Martinsburg, West Virginia
Dr. Mason's primary practice is WVU Medicine Berkeley Medical Center, at 2500 Hospital Drive, Martinsburg, WV 25401 in Berkeley County. The practice phone is (304) 264-1000.
- WVU Medicine Berkeley Medical Center2500 Hospital Drive, Martinsburg, WV 25401 · Berkeley CountyPhone(304) 264-1000
Source: Dmand AI Affiliation Data
Dr. John B. Mason is affiliated with 2 sites of care and 1 medical group
Dr. Mason's primary practice is WVU Medicine Berkeley Medical Center in Martinsburg, West Virginia, part of West Virginia University Health System. The medical group on file is University Health Associates. Dmand AI also links Dr. Mason to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John B. Mason's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mason practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| WVU Medicine Berkeley Medical Center | Available with a free account |
| +1 more affiliated site | 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 West Virginia University Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John B. Mason is one of 223 psychiatrists in West Virginia
Psychiatry is Dr. Mason's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Mason is licensed in West Virginia.
Specialties and state licenses
- Psychiatry, West VirginiaPrimary
Psychiatrists near Dr. Mason
Counts of psychiatrists 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. John B. Mason billed Medicare for 186 services in 2024
CMS data shows 186 Medicare services from Dr. Mason across 3 procedure codes in 2024, for 60 Medicare patients. Medicare paid $12,131 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mason's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 722024: 186158%
Dr. Mason compared with the West Virginia median for psychiatrists, 2024
- Dr. Mason
- West Virginia median
- Medicare services
- 186vs 15818% above
- Medicare patients
- 60vs 646% below
- Part D claims
- 25vs 27991% below
Medians across 228 psychiatrists in West Virginia 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 psychiatrists in West Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John B. Mason treated 60 Medicare patients in 2024, average age 69
CMS counts 60 Medicare patients who saw Dr. Mason in 2024. The largest group is under 65, with 19 patients. 75% of them have high blood pressure, and 75% have mood disorders. 38% are also on Medicaid. Their average risk score is 1.62, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Mason's median patient age at 40, with 50% women.
Dr. Mason's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mason's Medicare patients by sex, 2024
- Women3152%
- Men2948%
Chronic conditions among Dr. Mason's Medicare patients, 2024
- High blood pressure75%
- Mood disorders75%
- High cholesterol72%
- Anxiety67%
- Depression67%
- Arthritis52%
- Alzheimer's and dementia43%
- Diabetes42%
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 40
Patient panel by sex, all payers
- Women50%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John B. Mason wrote 187 Medicare Part D claims in 2024
In 2024, Dr. Mason wrote 187 Medicare Part D claims for 29 patients. 96% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $175 in total drug cost. In 2022, CMS named 169 claims across 9 drugs.
Dr. Mason's Part D claims by kind of drug, 2024
- Generic179 claims96%
- Brand-name and other8 claims4%
Dr. Mason'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.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 1692024: 2585%
Drugs named by CMS: 2 in 2024, 9 in 2022.
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. John B. Mason scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Mason for performance year 2024, reported through an alternative payment model (APM). Dr. Mason accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Mason's MIPS scores, performance year 2024
- 95of 100Final score
- 79.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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. John B. Mason received $96 in industry payments in 2025
CMS Open Payments shows 4 general payments to Dr. Mason from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $80.
Companies that paid Dr. Mason the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John B. Mason'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. John B. Mason
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. John B. Mason's NPI number?
Dr. John B. Mason's NPI number is 1104483643. It was assigned on May 21, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. John B. Mason?
Dr. John B. Mason is a psychiatrist in Martinsburg, West Virginia. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. John B. Mason practice?
Dr. Mason practices at 2500 Hospital Drive, Martinsburg, WV 25401. Dr. Mason's primary practice is WVU Medicine Berkeley Medical Center in Martinsburg, West Virginia, part of West Virginia University Health System. Dmand AI also links Dr. Mason to 1 group practice or clinic.
What is Dr. John B. Mason's office phone number?
The practice phone on file for Dr. Mason is (304) 264-1000.
What is Dr. John B. Mason's medical license number?
Dr. Mason holds West Virginia license 32364.
Which hospitals is Dr. John B. Mason affiliated with?
Dr. Mason practices at WVU Medicine Berkeley Medical Center in Martinsburg, West Virginia.
What medical group is Dr. John B. Mason part of?
Dr. Mason is linked to University Health Associates.
Does Dr. John B. Mason accept Medicare?
Yes. CMS data shows Dr. Mason billed Medicare for 186 services in 2024, and Dr. Mason accepts Medicare assignment.
What is Dr. John B. Mason's MIPS score?
Dr. Mason's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. John B. Mason see?
CMS counts 60 Medicare patients who saw Dr. Mason in 2024, with an average age of 69.
Show 4 more questionsShow fewer questions
What services does Dr. John B. Mason bill to Medicare?
In 2024, Dr. Mason's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99239).
What drugs does Dr. John B. Mason prescribe most?
In 2024 Medicare Part D data, Dr. Mason's most prescribed drugs by claims were Trazodone HCl and Mirtazapine.
Has Dr. John B. Mason received payments from drug or device companies?
CMS Open Payments shows $96 in general payments to Dr. Mason from 2 companies from 2025 to 2025. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. John B. Mason been practicing?
Dr. Mason graduated from medical school in 2019, 7 years ago.
Selling to psychiatry practices?
See psychiatrists in West Virginia 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