Dr. Mary Ann K. Arndt, MD
- Medicare services, 2024
- 723
- Medicare patients, 2024
- 149
- Part D claims, 2016
- 139
- Hospital affiliations
- 2
- Industry payments
- $55
- Practice address
- 101 W 8th Ave, Spokane, WA 99204
- Practice phone
- Call (509) 474-7370
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Incyte Pathology - Sacred Heart Medical Center Branch
Clinical Lab - Full Service · Spokane, Washington
Find Dr. Arndt's professional email, personal email and mobile number
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Dr. Mary Ann K. Arndt is a nephrologist in Spokane, Washington
Dr. Arndt practices at Incyte Pathology - Sacred Heart Medical Center Branch in Spokane, Washington.
Dr. Arndt's NPI, 1750458329, was assigned on November 29, 2006. Dr. Arndt graduated from Georgetown University School of Medicine in 2002. Dr. Arndt holds Washington license MD30286879.
- NPI
- 1750458329NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446313464
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (509) 474-7370
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary Ann K. Arndt practices at Incyte Pathology - Sacred Heart Medical Center Branch in Spokane, Washington
Dr. Arndt's primary practice is Incyte Pathology - Sacred Heart Medical Center Branch, at 101 W 8th Ave, Spokane, WA 99204. The practice phone is (509) 474-7370.
- Incyte Pathology - Sacred Heart Medical Center Branch101 W 8th Ave, Spokane, WA 99204Phone(509) 474-7370
Source: Dmand AI Affiliation Data
Dr. Mary Ann K. Arndt is affiliated with 4 sites of care and 1 medical group
Dr. Arndt's primary practice is Incyte Pathology - Sacred Heart Medical Center Branch in Spokane, Washington. Dr. Arndt is also affiliated with Prov Sacred Hrt Med Ctr & Childs Hosp. The medical group on file is Providence Medical Group. Dmand AI also links Dr. Arndt to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mary Ann K. Arndt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Arndt practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Incyte Pathology - Sacred Heart Medical Center Branch | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mary Ann K. Arndt is one of 225 nephrologists in Washington
Nephrology is Dr. Arndt's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Arndt's licenses on file in 2 states: Washington and Oregon.
Specialties and state licenses
- Nephrology, WashingtonPrimary
- Oregon license
Nephrologists near Dr. Arndt
Counts of nephrologists 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. Mary Ann K. Arndt billed Medicare for 723 services in 2024
CMS data shows 723 Medicare services from Dr. Arndt across 6 procedure codes in 2024, for 149 Medicare patients. Medicare paid $47,743 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Arndt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4232024: 57235%
- Tests and treatments
- 2023: 1092024: 15139%
Dr. Arndt compared with the Washington median for nephrologists, 2024
- Dr. Arndt
- Washington median
- Medicare services
- 723vs 703Close to median
- Medicare patients
- 149vs 21029% below
- Part D claims
- 139vs 67679% below
Medians across 217 nephrologists in Washington with Dmand AI profiles that report each measure.
Dr. Arndt'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. Arndt and other nephrologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary Ann K. Arndt treated 149 Medicare patients in 2024, average age 70
CMS counts 149 Medicare patients who saw Dr. Arndt in 2024. The largest group is 75 to 84, with 50 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 33% are also on Medicaid. Their average risk score is 6.08, 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. Arndt's median patient age at 70, with 46% women.
Dr. Arndt's Medicare patients by age, 2024
Dr. Arndt's Medicare patients by sex, 2024
- Women6946%
- Men8054%
Chronic conditions among Dr. Arndt's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Heart failure65%
- Diabetes55%
- Ischemic heart disease52%
- Arthritis51%
- Atrial fibrillation46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Arndt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary Ann K. Arndt wrote 139 Medicare Part D claims in 2016
In 2016, Dr. Arndt wrote 139 Medicare Part D claims. They cover 7 drugs, with $74,287 in total drug cost.
Dr. Arndt's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Mary Ann K. Arndt takes part in Medicare
Dr. Arndt 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. Mary Ann K. Arndt received $55 in industry payments from 2021 to 2023
CMS Open Payments shows 4 general payments to Dr. Arndt from 2 drug and device companies from 2021 to 2023. Food and beverage make up the largest share, 93% of the total. GlaxoSmithKline, LLC. paid the most, $51.
General payments to Dr. Arndt by program year, 2021 to 2023
General payments to Dr. Arndt by kind, 2021 to 2023
- Food and beverage$5193%
- Education$47%
Companies that paid Dr. Arndt the most, 2021 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mary Ann K. Arndt graduated from Georgetown University School of Medicine
Dr. Arndt graduated from Georgetown University School of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mary Ann K. Arndt'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Mary Ann K. Arndt
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. Mary Ann K. Arndt's NPI number?
Dr. Mary Ann K. Arndt's NPI number is 1750458329. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Ann K. Arndt?
Dr. Mary Ann K. Arndt is a nephrologist in Spokane, Washington. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Mary Ann K. Arndt practice?
Dr. Arndt practices at 101 W 8th Ave, Spokane, WA 99204. Dr. Arndt's primary practice is Incyte Pathology - Sacred Heart Medical Center Branch in Spokane, Washington. Dmand AI also links Dr. Arndt to 1 hospital and 1 group practice or clinic.
What is Dr. Mary Ann K. Arndt's office phone number?
The practice phone on file for Dr. Arndt is (509) 474-7370.
What is Dr. Mary Ann K. Arndt's medical license number?
Dr. Arndt holds Washington license MD30286879, one of the licenses on file in 2 states.
Which states has Dr. Mary Ann K. Arndt been licensed in?
Dmand AI has state licenses on file for Dr. Arndt in Washington and Oregon.
Which hospitals is Dr. Mary Ann K. Arndt affiliated with?
Dr. Arndt is affiliated with Prov Sacred Hrt Med Ctr & Childs Hosp. Dmand AI links Dr. Arndt to 1 more hospital.
What medical group is Dr. Mary Ann K. Arndt part of?
Dr. Arndt is linked to Providence Medical Group.
Does Dr. Mary Ann K. Arndt accept Medicare?
Yes. CMS data shows Dr. Arndt billed Medicare for 723 services in 2024, and Dr. Arndt accepts Medicare assignment.
How many Medicare patients does Dr. Mary Ann K. Arndt see?
CMS counts 149 Medicare patients who saw Dr. Arndt in 2024, with an average age of 70.
Show 5 more questionsShow fewer questions
What services does Dr. Mary Ann K. Arndt bill to Medicare?
In 2024, Dr. Arndt's most billed Medicare services were hospital inpatient care (99232), dialysis (90935) and hospital inpatient care (99233).
Where did Dr. Mary Ann K. Arndt go to medical school?
Dr. Arndt graduated from Georgetown University School of Medicine in 2002.
What drugs does Dr. Mary Ann K. Arndt prescribe most?
In 2016 Medicare Part D data, Dr. Arndt's most prescribed drugs by claims were Lisinopril, Sensipar and Calcitriol.
Has Dr. Mary Ann K. Arndt received payments from drug or device companies?
CMS Open Payments shows $55 in general payments to Dr. Arndt from 2 companies from 2021 to 2023. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Mary Ann K. Arndt been practicing?
Dr. Arndt graduated from medical school in 2002, 24 years ago.
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