Dr. James S. Mason, DO
- Medicare services, 2024
- 311
- Medicare patients, 2024
- 104
- Part D claims, 2024
- 143
- Hospital affiliations
- 1
- Industry payments
- $2,007
- Practice address
- 7785 North State Street, Lowville, NY 13367
- Practice phone
- Call (315) 376-5200
- 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
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Dr. James S. Mason is an orthopedic surgeon in Lowville, New York
Dr. Mason practices at Lewis County General Hospital in Lowville, New York, part of Lewis County.
Dr. Mason's NPI, 1902870934, was assigned on February 15, 2006. Dr. Mason graduated from University of New England, College of Osteo Medicine in 1984. Dr. Mason holds New York license 309442.
- NPI
- 1902870934NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193753465
- NPI enumeration date
- February 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (315) 376-5200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James S. Mason practices at Lewis County General Hospital in Lowville, New York
Dr. Mason's primary practice is Lewis County General Hospital, at 7785 North State Street, Lowville, NY 13367 in Lewis County. The practice phone is (315) 376-5200.
- Lewis County General Hospital7785 North State Street, Lowville, NY 13367 · Lewis CountyPhone(315) 376-5200
Source: Dmand AI Affiliation Data
Dr. James S. Mason is affiliated with 3 sites of care and 1 medical group
Dr. Mason's primary practice is Lewis County General Hospital in Lowville, New York, part of Lewis County. The medical group on file is Lewis County General Hospital. Dmand AI also links Dr. Mason to 1 more home health agency and 1 hospice, each named with a free account. Dr. Mason's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James S. Mason'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 |
|---|---|
| Lewis County General Hospital | Available with a free account |
| +2 more affiliated sites | 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 Lewis County and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James S. Mason is one of 1,151 orthopedic surgeons in New York
Orthopaedic surgery is Dr. Mason's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Mason's licenses on file in 2 states: New York and Georgia.
Specialties and state licenses
- Orthopaedic surgery, New YorkPrimary
- Georgia license
Orthopedic surgeons near Dr. Mason
Counts of orthopedic surgeons 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 S. Mason billed Medicare for 311 services in 2024
CMS data shows 311 Medicare services from Dr. Mason across 6 procedure codes in 2024, for 104 Medicare patients. Medicare paid $9,900 for them. Every service was in an office.
Dr. Mason's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 962024: 14551%
- Office and hospital visits
- 2023: 1152024: 13820%
- Surgery
- 2023: 172024: 2865%
Dr. Mason compared with the New York median for orthopedic surgeons, 2024
- Dr. Mason
- New York median
- Medicare services
- 311vs 72657% below
- Medicare patients
- 104vs 23656% below
- Part D claims
- 63vs 7314% below
Medians across 1,081 orthopedic surgeons in New York 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 orthopedic surgeons in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James S. Mason treated 104 Medicare patients in 2024, average age 75
CMS counts 104 Medicare patients who saw Dr. Mason in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have arthritis, and 75% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mason's median patient age at 63, with 52% 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
- Women6361%
- Men4139%
Chronic conditions among Dr. Mason's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes33%
- Ischemic heart disease28%
- Anxiety25%
- Chronic kidney disease25%
- Atrial fibrillation22%
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 63
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James S. Mason wrote 143 Medicare Part D claims in 2024
In 2024, Dr. Mason wrote 143 Medicare Part D claims for 64 patients. 95% of them were for generic drugs. CMS names the drug for 63 of them, across 3 drugs with 11 or more claims each, at $293 in total drug cost. In 2023, CMS named 20 claims across 1 drug.
Dr. Mason's Part D claims by kind of drug, 2024
- Generic136 claims95%
- Brand-name and other7 claims5%
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.
Drug classes CMS tracks in Dr. Mason's Part D claims, 2024
- Opioids20%28 of 143 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: 202024: 63215%
Drugs named by CMS: 3 in 2024, 1 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
How Dr. James S. Mason takes part in Medicare
Dr. Mason accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper limb (arm) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. James S. Mason received $2,007 in industry payments from 2016 to 2024
CMS Open Payments shows 88 general payments to Dr. Mason from 23 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Djo, LLC paid the most, $376.
General payments to Dr. Mason by program year, 2016 to 2024
Companies that paid Dr. Mason the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James S. Mason graduated from University of New England, College of Osteo Medicine
Dr. Mason graduated from University of New England, College of Osteo Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James S. 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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 S. 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. James S. Mason's NPI number?
Dr. James S. Mason's NPI number is 1902870934. It was assigned on February 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James S. Mason?
Dr. James S. Mason is an orthopedic surgeon in Lowville, New York. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. James S. Mason practice?
Dr. Mason practices at 7785 North State Street, Lowville, NY 13367. Dr. Mason's primary practice is Lewis County General Hospital in Lowville, New York, part of Lewis County. Dmand AI also links Dr. Mason to 1 home health agency and 1 hospice.
What is Dr. James S. Mason's office phone number?
The practice phone on file for Dr. Mason is (315) 376-5200.
What is Dr. James S. Mason's medical license number?
Dr. Mason holds New York license 309442, one of the licenses on file in 2 states.
Which states has Dr. James S. Mason been licensed in?
Dmand AI has state licenses on file for Dr. Mason in New York and Georgia.
Which hospitals is Dr. James S. Mason affiliated with?
Dr. Mason practices at Lewis County General Hospital in Lowville, New York.
What medical group is Dr. James S. Mason part of?
Dr. Mason is linked to Lewis County General Hospital.
Does Dr. James S. Mason accept Medicare?
Yes. CMS data shows Dr. Mason billed Medicare for 311 services in 2024, and Dr. Mason accepts Medicare assignment.
How many Medicare patients does Dr. James S. Mason see?
CMS counts 104 Medicare patients who saw Dr. Mason in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. James S. Mason bill to Medicare?
In 2024, Dr. Mason's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and surgery: bones and joints (20610).
Where did Dr. James S. Mason go to medical school?
Dr. Mason graduated from University of New England, College of Osteo Medicine in 1984.
What drugs does Dr. James S. Mason prescribe most?
In 2024 Medicare Part D data, Dr. Mason's most prescribed drugs by claims were Meloxicam, Celecoxib and Hydrocodone-Acetaminophen.
Has Dr. James S. Mason received payments from drug or device companies?
CMS Open Payments shows $2,007 in general payments to Dr. Mason from 23 companies from 2016 to 2024. The largest total came from Djo, LLC.
How long has Dr. James S. Mason been practicing?
Dr. Mason graduated from medical school in 1984, 42 years ago.
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