Dr. James Zachary Mason, MD
- Medicare services, 2024
- 260
- Medicare patients, 2024
- 150
- Part D claims, 2024
- 511
- Hospital affiliations
- 3
- Industry payments
- $724
- Practice address
- 5201 North Shore Drive, No. Little Rock, AR 72118
- Practice phone
- Call (501) 748-8000
- 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 Zachary Mason is a neurosurgeon in North Little Rock, Arkansas
Dr. Mason practices at Arkansas Surgical Hospital in No. Little Rock, Arkansas, part of Medical Facilities.
Dr. Mason's NPI, 1205806692, was assigned on January 26, 2006. Dr. Mason holds Arkansas license C5217.
- NPI
- 1205806692NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345238499
- NPI enumeration date
- January 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (501) 748-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Zachary Mason practices at Arkansas Surgical Hospital in No. Little Rock, Arkansas
Dr. Mason's primary practice is Arkansas Surgical Hospital, at 5201 North Shore Drive, No. Little Rock, AR 72118 in Pulaski County. The practice phone is (501) 748-8000.
- Arkansas Surgical Hospital5201 North Shore Drive, No. Little Rock, AR 72118 · Pulaski CountyPhone(501) 748-8000
Source: Dmand AI Affiliation Data
Dr. James Zachary Mason is affiliated with 3 sites of care and 1 medical group
Dr. Mason's primary practice is Arkansas Surgical Hospital in No. Little Rock, Arkansas, part of Medical Facilities. Dr. Mason is also affiliated with Baptist Health Medical Center-Little Rock. The medical group on file is Neurological Surgical Associates. Dmand AI also links Dr. Mason to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Zachary 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 |
|---|---|
| Arkansas Surgical Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Zachary Mason is one of 76 neurosurgeons in Arkansas
Neurological surgery is Dr. Mason's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Mason is licensed in Arkansas.
Specialties and state licenses
- Neurological surgery, ArkansasPrimary
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. James Zachary Mason billed Medicare for 260 services in 2024
CMS data shows 260 Medicare services from Dr. Mason across 8 procedure codes in 2024, for 150 Medicare patients. Medicare paid $46,884 for them.
Dr. Mason's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1542024: 18621%
- Surgery
- 2023: 432024: 7472%
Where Dr. Mason's Medicare services took place, 2024
- In an office18672%
- In a facility7428%
Dr. Mason compared with the Arkansas median for neurosurgeons, 2024
- Dr. Mason
- Arkansas median
- Medicare services
- 260vs 29010% below
- Medicare patients
- 150vs 1649% below
- Part D claims
- 472vs 1273.7 times
Medians across 72 neurosurgeons in Arkansas 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mason and other neurosurgeons in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Zachary Mason treated 150 Medicare patients in 2024, average age 71
CMS counts 150 Medicare patients who saw Dr. Mason in 2024. The largest group is 65 to 74, with 106 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mason's median patient age at 65, with 53% 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
- Women7550%
- Men7550%
Chronic conditions among Dr. Mason's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol71%
- Ischemic heart disease37%
- Diabetes30%
- Mood disorders23%
- Depression22%
- Anxiety21%
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 65
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Zachary Mason wrote 511 Medicare Part D claims in 2024
In 2024, Dr. Mason wrote 511 Medicare Part D claims for 137 patients. 100% of them were for generic drugs. CMS names the drug for 472 of them, across 9 drugs with 11 or more claims each, at $4,812 in total drug cost. In 2023, CMS named 380 claims across 9 drugs.
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
- Opioids11%55 of 511 claims
- Antibiotics12%60 of 511 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: 3802024: 47224%
Drugs named by CMS: 9 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 Zachary Mason ranks in the 84th percentile for laminectomy or laminotomy (partial removal of spine bones) in Medicare
Dr. Mason accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 64 procedures of laminectomy or laminotomy (partial removal of spine bones) by Dr. Mason, more than 84% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mason ranks in Medicare procedure volume
- Laminectomy or laminotomy (partial removal of spine bones)
- 84th percentile64 procedures
- Spinal fusion
- 36th percentile19 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. James Zachary Mason received $724 in industry payments from 2016 to 2025
CMS Open Payments shows 18 general payments to Dr. Mason from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Providence Medical Technology, Inc. paid the most, $173.
General payments to Dr. Mason by program year, 2016 to 2025
Companies that paid Dr. Mason the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. James Zachary 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) |
| 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 Zachary 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 Zachary Mason's NPI number?
Dr. James Zachary Mason's NPI number is 1205806692. It was assigned on January 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James Zachary Mason?
Dr. James Zachary Mason is a neurosurgeon in North Little Rock, Arkansas. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. James Zachary Mason practice?
Dr. Mason practices at 5201 North Shore Drive, No. Little Rock, AR 72118. Dr. Mason's primary practice is Arkansas Surgical Hospital in No. Little Rock, Arkansas, part of Medical Facilities. Dmand AI also links Dr. Mason to 1 hospital.
What is Dr. James Zachary Mason's office phone number?
The practice phone on file for Dr. Mason is (501) 748-8000.
What is Dr. James Zachary Mason's medical license number?
Dr. Mason holds Arkansas license C5217.
Which hospitals is Dr. James Zachary Mason affiliated with?
Dr. Mason practices at Arkansas Surgical Hospital in No. Little Rock, Arkansas. Dr. Mason is also affiliated with Baptist Health Medical Center-Little Rock. Dmand AI links Dr. Mason to 1 more hospital.
What medical group is Dr. James Zachary Mason part of?
Dr. Mason is linked to Neurological Surgical Associates.
Does Dr. James Zachary Mason accept Medicare?
Yes. CMS data shows Dr. Mason billed Medicare for 260 services in 2024, and Dr. Mason accepts Medicare assignment.
How many Medicare patients does Dr. James Zachary Mason see?
CMS counts 150 Medicare patients who saw Dr. Mason in 2024, with an average age of 71.
What services does Dr. James Zachary Mason bill to Medicare?
In 2024, Dr. Mason's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and surgery: brain, spine and nerves (63048).
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What drugs does Dr. James Zachary Mason prescribe most?
In 2024 Medicare Part D data, Dr. Mason's most prescribed drugs by claims were Diclofenac Sodium, Prednisone and Cephalexin.
Has Dr. James Zachary Mason received payments from drug or device companies?
CMS Open Payments shows $724 in general payments to Dr. Mason from 15 companies from 2016 to 2025. The largest total came from Providence Medical Technology, Inc.
How long has Dr. James Zachary Mason been practicing?
Dr. Mason graduated from medical school in 1977, 49 years ago.
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