Matthew Casimo, MD
Gastroenterology Physician · Vancouver, WA
Matthew Casimo, MD is a gastroenterology physician with a practice address in Vancouver, Washington, and NPI 1144275595, issued on May 24, 2006. Check the license (Washington MD00026445, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Matthew Casimo
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD00026445 WA
Self-reported in NPPES; status is on the state search - Practice location
- 700 NE 87TH Ave, Vancouver, WA 98664
- Phone
- (360) 397-1500
- Enumerated
- May 24, 2006
- Record last updated
- Jan 21, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (360) 397-3128
- Medicaid ID
- 1097955 WA
- Medicare enrollment
- Enrolled (PECOS I20091215000620); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 1984
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 533 in Washington → Look up another NPI →
Also registered at 700 NE 87TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Adkison, DNP-FNPFamily Nurse Practitioner1043160500
- Kirstie Anderson, D.P.T.Physical Therapist1023486396
- Lauren Andronici, CNMAdvanced Practice Midwife1356396709
- Susan Arnold-Edgar, PA-CPhysician Assistant1023057817
- Vincent Au, M.D.Internal Medicine Physician1104112051
- Jennifer Austin, MDPediatrics Physician1326087503
Verify Matthew Casimo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00026445Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average gastroenterology physician in 2024
519 Medicare Part D claims for 304 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf136 claims
- Peg 3350-Electrolyte87 claims
- Omeprazole58 claims
- Mesalamine25 claims
- Azathioprine23 claims
- Balsalazide Disodium17 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
- The Vancouver Clinic Inc PSVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Casimo among 533 gastroenterology physician records in Washington
Matthew Casimo, MD is one of 533 gastroenterology physician records with a practice address in Washington. 76% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 48% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1984 · median 2003 among the 373 with a school on file
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Washington
There are 533 gastroenterology physician records in Washington.
All 533 in Washington → Every provider in Vancouver → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jaime Aranda-Michel, MDVancouver, WA 986641093704959
- Jaroslaw Cymorek, MDVancouver, WA 986641922054469
- Jason Etzel, MDVancouver, WA 986641841308384
- Vernon Hee, MDVancouver, WA 986641922054055
- Dana Hemmati, MDVancouver, WA 986641154584241
- Todd La Rock, D.O.Vancouver, WA 986641770563470
- Kevin MeitzVancouver, WA 986641801916143
- Eric Nordstrom, M.D.Vancouver, WA 986641255656716
Common questions
What is Matthew Casimo, MD's NPI number?
Matthew Casimo, MD's National Provider Identifier (NPI) is 1144275595, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Casimo, MD located?
The NPPES record lists a practice address at 700 NE 87TH Ave, Vancouver, WA, 98664. Phone: (360) 397-1500. Providers update this record themselves, so call before visiting.
How can I verify Matthew Casimo, MD's license?
NPPES lists Washington license number MD00026445, 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 Matthew Casimo, MD prescribe under Medicare Part D?
In 2024, Matthew Casimo, MD had 519 Medicare Part D claims for 304 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.