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Dr. Emily J. Mason, MD
- Medicare services, 2024
- 592
- Medicare patients, 2024
- 111
- Part D claims, 2024
- 22
- Publications
- 3
- Industry payments
- $637
- Practice address
- 2661 County Rd I, Chippewa Falls, WI 54729
- Practice phone
- Call (715) 717-7200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chippewa Valley Cooperative Hospital (CLOSED)
Chippewa Falls, Wisconsin
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. Emily J. Mason is an emergency medicine physician in Chippewa Falls, Wisconsin
Dr. Mason practices at Chippewa Valley Cooperative Hospital (CLOSED) in Chippewa Falls, Wisconsin.
Dr. Mason's NPI, 1811196637, was assigned on July 12, 2007. Dr. Mason graduated from University of Wisconsin School of Medicine in 2004. Dr. Mason holds Wisconsin license 49707-020.
- NPI
- 1811196637NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830281096
- NPI enumeration date
- July 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (715) 717-7200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Emily J. Mason practices at Chippewa Valley Cooperative Hospital (CLOSED) in Chippewa Falls, Wisconsin
Dr. Mason's primary practice is Chippewa Valley Cooperative Hospital (CLOSED), at 2661 County Rd I, Chippewa Falls, WI 54729 in Chippewa County. The practice phone is (715) 717-7200.
- Chippewa Valley Cooperative Hospital (CLOSED)2661 County Rd I, Chippewa Falls, WI 54729 · Chippewa CountyPhone(715) 717-7200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Emily J. Mason is affiliated with 3 sites of care and 1 medical group
Dr. Mason's primary practice is Chippewa Valley Cooperative Hospital (CLOSED) in Chippewa Falls, Wisconsin. The medical group on file is OakLeaf Clinics. Dmand AI also links Dr. Mason to 1 more physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Emily J. 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 |
|---|---|
| Chippewa Valley Cooperative Hospital (CLOSED) | 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. Emily J. Mason is one of 1,211 emergency medicine physicians in Wisconsin
Emergency medicine is Dr. Mason's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Mason is licensed in Wisconsin.
Specialties and state licenses
- Emergency medicine, WisconsinPrimary
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. Emily J. Mason billed Medicare for 592 services in 2024
CMS data shows 592 Medicare services from Dr. Mason across 8 procedure codes in 2024, for 111 Medicare patients. Medicare paid $45,378 for them.
Dr. Mason's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 4772024: 28041%
- Office and hospital visits
- 2023: 2452024: 22010%
- Tests and treatments
- 2023: 1912024: 7660%
- Other services
- 2023: 02024: 16
Where Dr. Mason's Medicare services took place, 2024
- In an office24642%
- In a facility34658%
Dr. Mason compared with the Wisconsin median for emergency medicine physicians, 2024
- Dr. Mason
- Wisconsin median
- Medicare services
- 592vs 2462.4 times
- Medicare patients
- 111vs 22150% below
- Part D claims
- 12vs 5779% below
Medians across 1,249 emergency medicine physicians in Wisconsin 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 Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Emily J. Mason treated 111 Medicare patients in 2024, average age 75
CMS counts 111 Medicare patients who saw Dr. Mason in 2024. The largest group is 75 to 84, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 47% are also on Medicaid. Their average risk score is 2.91, 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 78, with 63% women.
Dr. Mason's Medicare patients by age, 2024
Dr. Mason's Medicare patients by sex, 2024
- Women5953%
- Men5247%
Chronic conditions among Dr. Mason's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure55%
- Diabetes52%
- Mood disorders50%
- Chronic kidney disease47%
- Arthritis46%
- Ischemic heart disease45%
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 78
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Emily J. Mason wrote 22 Medicare Part D claims in 2024
In 2024, Dr. Mason wrote 22 Medicare Part D claims for 13 patients. 86% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $160 in total drug cost. In 2022, CMS named 39 claims across 2 drugs.
Dr. Mason's Part D claims by kind of drug, 2024
- Generic19 claims86%
- Brand-name and other3 claims14%
Dr. Mason's most prescribed drugs by claims, 2023
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 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 392023: 1269%
Drugs named by CMS: 1 in 2023, 2 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. Emily J. Mason ranks in the 97th percentile for removal of tissue in Medicare
Dr. Mason accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 520 procedures of removal of tissue by Dr. Mason, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mason ranks in Medicare procedure volume
- Removal of tissue
- 97th percentile520 procedures
- Removal of skin lesions
- 70th percentile41 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. Emily J. Mason has 3 publications on record
Dmand AI links 3 papers to Dr. Mason, published from 2011 to 2014. 2011 was the busiest year, with 2. The most frequent topics are Mice, Knockout and Pregnancy-Associated Plasma Protein-A. Dr. Mason's most frequent co-author is Pinchas Cohen, MD.
Topics Dr. Mason writes about most
- Mice, Knockout
- Pregnancy-Associated Plasma Protein-A
Dr. Mason's most frequent co-authors
Recent publications by Dr. Mason
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. Emily J. Mason received $637 in industry payments from 2016 to 2025
CMS Open Payments shows 15 general payments to Dr. Mason from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $317.
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
Dr. Emily J. Mason graduated from University of Wisconsin School of Medicine
Dr. Mason graduated from University of Wisconsin School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Emily J. 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 | 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) |
| 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) |
| 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. Emily J. 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. Emily J. Mason's NPI number?
Dr. Emily J. Mason's NPI number is 1811196637. It was assigned on July 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Emily J. Mason?
Dr. Emily J. Mason is an emergency medicine physician in Chippewa Falls, Wisconsin. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Emily J. Mason practice?
Dr. Mason practices at 2661 County Rd I, Chippewa Falls, WI 54729. Dr. Mason's primary practice is Chippewa Valley Cooperative Hospital (CLOSED) in Chippewa Falls, Wisconsin. Dmand AI also links Dr. Mason to 1 physician office and 1 group practice or clinic.
What is Dr. Emily J. Mason's office phone number?
The practice phone on file for Dr. Mason is (715) 717-7200.
What is Dr. Emily J. Mason's medical license number?
Dr. Mason holds Wisconsin license 49707-020.
What medical group is Dr. Emily J. Mason part of?
Dr. Mason is linked to OakLeaf Clinics.
Does Dr. Emily J. Mason accept Medicare?
Yes. CMS data shows Dr. Mason billed Medicare for 592 services in 2024, and Dr. Mason accepts Medicare assignment.
How many Medicare patients does Dr. Emily J. Mason see?
CMS counts 111 Medicare patients who saw Dr. Mason in 2024, with an average age of 75.
What services does Dr. Emily J. Mason bill to Medicare?
In 2024, Dr. Mason's most billed Medicare services were surgery: skin and soft tissue (11042), physical therapy and rehabilitation (97597) and nursing facility care (99306).
Where did Dr. Emily J. Mason go to medical school?
Dr. Mason graduated from University of Wisconsin School of Medicine in 2004.
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What drugs does Dr. Emily J. Mason prescribe most?
In 2023 Medicare Part D data, Dr. Mason's most prescribed drugs by claims were Doxycycline Monohydrate.
Has Dr. Emily J. Mason received payments from drug or device companies?
CMS Open Payments shows $637 in general payments to Dr. Mason from 6 companies from 2016 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. Emily J. Mason been practicing?
Dr. Mason graduated from medical school in 2004, 22 years ago.
Does Dr. Emily J. Mason do research?
Dmand AI links 3 publications to Dr. Mason, published from 2011 to 2014.
Who does Dr. Emily J. Mason publish with?
Dr. Mason's most frequent co-authors are Pinchas Cohen, MD (1 shared paper).
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