Am J Emerg Med
Dr. Meredith Jo Mason, MD
- Medicare services, 2024
- 579
- Medicare patients, 2024
- 470
- Part D claims, 2024
- 262
- Publications
- 2
- Hospital affiliations
- 3
- Practice address
- 401 Matthew Street, Marietta, OH 45750
- Practice phone
- Call (740) 374-1400
- 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. Meredith Jo Mason is an emergency medicine physician in Marietta, Ohio
Dr. Mason practices at Marietta Memorial Hospital in Marietta, Ohio, part of Memorial Health System.
Dr. Mason's NPI, 1457663791, was assigned on July 1, 2010. Dr. Mason graduated from West Virginia University School of Medicine in 2010. Dr. Mason holds Ohio license 350123041.
- NPI
- 1457663791NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274772298
- NPI enumeration date
- July 1, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (740) 374-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Meredith Jo Mason practices at Marietta Memorial Hospital in Marietta, Ohio
Dr. Mason's primary practice is Marietta Memorial Hospital, at 401 Matthew Street, Marietta, OH 45750 in Washington County. The practice phone is (740) 374-1400.
- Marietta Memorial Hospital401 Matthew Street, Marietta, OH 45750 · Washington CountyPhone(740) 374-1400
Source: Dmand AI Affiliation Data
Dr. Meredith Jo Mason is affiliated with 3 sites of care and 4 medical groups
Dr. Mason's primary practice is Marietta Memorial Hospital in Marietta, Ohio, part of Memorial Health System. Dr. Mason is also affiliated with Selby General Hospital. The medical group on file is Marietta Memorial Hospital. Dmand AI also links Dr. Mason to 1 more hospital and 3 medical groups, 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. Meredith Jo 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 |
|---|---|
| Marietta Memorial Hospital | Available with a free account |
| +2 more sites and 3 medical groups | 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 Memorial Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Meredith Jo Mason is one of 2,401 emergency medicine physicians in Ohio
Emergency medicine is Dr. Mason's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Mason's licenses on file in 2 states: Ohio and West Virginia.
Specialties and state licenses
- Emergency medicine, OhioPrimary
- West Virginia license
Emergency medicine physicians near Dr. Mason
Counts of emergency medicine physicians 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. Meredith Jo Mason billed Medicare for 579 services in 2024
CMS data shows 579 Medicare services from Dr. Mason across 4 procedure codes in 2024, for 470 Medicare patients. Medicare paid $52,801 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: 5042024: 4864%
- Tests and treatments
- 2023: 872024: 937%
Dr. Mason compared with the Ohio median for emergency medicine physicians, 2024
- Dr. Mason
- Ohio median
- Medicare services
- 579vs 2662.2 times
- Medicare patients
- 470vs 24890% above
- Part D claims
- 122vs 6588% above
Medians across 2,448 emergency medicine physicians in Ohio 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 emergency medicine physicians in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Meredith Jo Mason treated 470 Medicare patients in 2024, average age 73
CMS counts 470 Medicare patients who saw Dr. Mason in 2024. The largest group is 65 to 74, with 157 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.88, 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 69, with 54% women.
Dr. Mason's Medicare patients by age, 2024
Dr. Mason's Medicare patients by sex, 2024
- Women26456%
- Men20644%
Chronic conditions among Dr. Mason's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Anxiety49%
- Mood disorders42%
- Diabetes41%
- Ischemic heart disease40%
- Depression39%
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 69
Patient panel by sex, all payers
- Women54%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Meredith Jo Mason wrote 262 Medicare Part D claims in 2024
In 2024, Dr. Mason wrote 262 Medicare Part D claims for 154 patients. 94% of them were for generic drugs. CMS names the drug for 122 of them, across 6 drugs with 11 or more claims each, at $836 in total drug cost. In 2023, CMS named 116 claims across 7 drugs.
Dr. Mason's Part D claims by kind of drug, 2024
- Generic246 claims94%
- Brand-name16 claims6%
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
- Opioids5%13 of 262 claims
- Antibiotics37%97 of 262 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: 1162024: 1225%
Drugs named by CMS: 6 in 2024, 7 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. Meredith Jo Mason takes part in Medicare
Dr. Mason accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Meredith Jo Mason has 2 publications on record
Dmand AI links 2 papers to Dr. Mason, published from 2013 to 2015. Dr. Mason's most frequent co-author is Allison M. Tadros, MD.
Dr. Mason's most frequent co-authors
Recent publications by Dr. Mason
Int J Surg Case Rep
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 emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Meredith Jo Mason received $173 in industry payments from 2016 to 2024
CMS Open Payments shows 12 general payments to Dr. Mason from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $81.
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. Meredith Jo Mason graduated from West Virginia University School of Medicine
Dr. Mason graduated from West Virginia University School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Meredith Jo 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) |
| 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. Meredith Jo 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. Meredith Jo Mason's NPI number?
Dr. Meredith Jo Mason's NPI number is 1457663791. It was assigned on July 1, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Meredith Jo Mason?
Dr. Meredith Jo Mason is an emergency medicine physician in Marietta, Ohio. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Meredith Jo Mason practice?
Dr. Mason practices at 401 Matthew Street, Marietta, OH 45750. Dr. Mason's primary practice is Marietta Memorial Hospital in Marietta, Ohio, part of Memorial Health System. Dmand AI also links Dr. Mason to 1 hospital and 3 medical groups.
What is Dr. Meredith Jo Mason's office phone number?
The practice phone on file for Dr. Mason is (740) 374-1400.
What is Dr. Meredith Jo Mason's medical license number?
Dr. Mason holds Ohio license 350123041, one of the licenses on file in 2 states.
Which states has Dr. Meredith Jo Mason been licensed in?
Dmand AI has state licenses on file for Dr. Mason in Ohio and West Virginia.
Which hospitals is Dr. Meredith Jo Mason affiliated with?
Dr. Mason practices at Marietta Memorial Hospital in Marietta, Ohio. Dr. Mason is also affiliated with Selby General Hospital. Dmand AI links Dr. Mason to 1 more hospital.
What medical group is Dr. Meredith Jo Mason part of?
Dr. Mason is linked to Marietta Memorial Hospital. Dmand AI links Dr. Mason to 3 more medical groups.
Does Dr. Meredith Jo Mason accept Medicare?
Yes. CMS data shows Dr. Mason billed Medicare for 579 services in 2024, and Dr. Mason accepts Medicare assignment.
How many Medicare patients does Dr. Meredith Jo Mason see?
CMS counts 470 Medicare patients who saw Dr. Mason in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Meredith Jo Mason bill to Medicare?
In 2024, Dr. Mason's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
Where did Dr. Meredith Jo Mason go to medical school?
Dr. Mason graduated from West Virginia University School of Medicine in 2010.
What drugs does Dr. Meredith Jo Mason prescribe most?
In 2024 Medicare Part D data, Dr. Mason's most prescribed drugs by claims were Cephalexin, Ondansetron ODT and Prednisone.
Has Dr. Meredith Jo Mason received payments from drug or device companies?
CMS Open Payments shows $173 in general payments to Dr. Mason from 5 companies from 2016 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Meredith Jo Mason been practicing?
Dr. Mason graduated from medical school in 2010, 16 years ago.
Does Dr. Meredith Jo Mason do research?
Dmand AI links 2 publications to Dr. Mason, published from 2013 to 2015.
Who does Dr. Meredith Jo Mason publish with?
Dr. Mason's most frequent co-authors are Allison M. Tadros, MD (1 shared paper).
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