Mary Patricia Cason, MD
Psychiatry Physician · Spokane, WA
Mary Patricia Cason, MD is a psychiatry physician with a practice address in Spokane, Washington, and NPI 1871651166, issued on Dec 5, 2006. Check the license (Washington MD00024736, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mary Patricia Cason
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- MD00024736 WA
MD13979 OR
Self-reported in NPPES; status is on the state search - Practice location
- 105 W 8TH Ave, Spokane, WA 99204
- Phone
- (509) 474-6920
- Enumerated
- Dec 5, 2006
- Record last updated
- Oct 21, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (509) 474-3014
- Medicaid IDs
- 139670 OR
123190 OR - Medicare enrollment
- Enrolled (PECOS I20060327000677); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,195 in Washington → Look up another NPI →
Also registered at 105 W 8TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Ann Arndt, M.D.Nephrology Physician1750458329
- Howard Ashby, MDPsychiatry Physician1245456102
Verify Mary Patricia Cason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00024736Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average psychiatry physician in 2024
147 Medicare Part D claims for 21 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Olanzapine35 claims
- Haloperidol30 claims
- Clozapine19 claims
- Lorazepam18 claims
- Benztropine Mesylate12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Mid-Columbia Center For LivingThe Dalles, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Patricia Cason among 1,195 psychiatry physician records in Washington
Mary Patricia Cason, MD is one of 1,195 psychiatry physician records with a practice address in Washington. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 57% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated1983 · median 2007 among the 462 with a school on file
- Record last updated2015 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Washington
There are 1,195 psychiatry physician records in Washington.
All 1,195 in Washington → Every provider in Spokane → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Adnan Amin, MDSpokane, WA 992041508913492
- Robert Baxley, M.D.Spokane, WA 992041699853093
- Anthony Bottone, MDSpokane, WA 992041659330363
- Jakob Camp, MDSpokane, WA 992041699705673
- A. Emch, M.D.Spokane, WA 992041306840863
- James Green, M.D.Spokane, WA 992041699811224
- Eric Lavy, MDSpokane, WA 992041932111846
- John Moulton, M.D.Spokane, WA 992041316987456
Common questions
What is Mary Patricia Cason, MD's NPI number?
Mary Patricia Cason, MD's National Provider Identifier (NPI) is 1871651166, issued on Dec 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Patricia Cason, MD located?
The NPPES record lists a practice address at 105 W 8TH Ave, Spokane, WA, 99204. Phone: (509) 474-6920. Providers update this record themselves, so call before visiting.
How can I verify Mary Patricia Cason, MD's license?
NPPES lists Washington license number MD00024736, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary Patricia Cason, MD prescribe under Medicare Part D?
In 2024, Mary Patricia Cason, MD had 147 Medicare Part D claims for 21 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.