Matthew Casimo, MD
NPI 1144275595 · Gastroenterology Physician · Vancouver, WA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Casimo, MD is a Gastroenterology Physician provider in Vancouver, WA (NPI 1144275595).
Provider details
- NPI number
- 1144275595
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00026445 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
339 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 66 | $5 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 49 | $241 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 44 | $89 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 43 | $9 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 30 | $166 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 136 | 135 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 87 | 84 |
| Omeprazole | 58 | 19 |
| Mesalamine | 25 | — |
| Azathioprine | 23 | — |
| Balsalazide Disodium | 17 | — |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Gavilyte-N | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-24
- Last updated
- 2008-01-21
Frequently asked questions
- What is Matthew Casimo's NPI number?
- Matthew Casimo's National Provider Identifier (NPI) is 1144275595, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Casimo's specialty?
- Matthew Casimo is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Casimo located?
- Matthew Casimo's practice location on file with NPPES is 700 Ne 87th Ave, Vancouver, WA 98664-1913.
- What is Matthew Casimo's phone number?
- The practice phone number listed in the NPPES registry for Matthew Casimo is (360) 397-1500.
- Does Matthew Casimo accept Medicare?
- Matthew Casimo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Casimo's NPI active?
- Yes — Matthew Casimo's NPI (1144275595) is active in the NPPES registry as of the last update on 2008-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.