Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Matthew Krumpak, PHARMD
Pharmacist in Oak Harbor, WA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1962538231
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Registry record
Entity type Individual (Type 1)
Name Dr. Matthew Krumpak
Credential PHARMD
Sex Male
Practice address Naval Health Clinic Oak Harbor 3475 N Saratoga St, Oak Harbor, WA, 98278
Phone (360) 257-9707
Enumeration date Feb 23, 2007
Last updated in NPPES Sep 1, 2023
Taxonomy & licenses
PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy.
About the PHARMD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Matthew Krumpak practice?
The practice location on file with NPPES is in Oak Harbor, WA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Matthew Krumpak?
The National Provider Identifier (NPI) for Matthew Krumpak is 1962538231, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Christine Sears Urogynecology and Reconstructive Pelvic Surgery (Urology) Physician · Oak Harbor, WA NPI 1972599918 Mark Ralston Pediatrics Physician · Oak Harbor, WA NPI 1669451373 Daniel Liddell Aerospace Medicine Physician · Oak Harbor, WA NPI 1487034211 Adam Fine Family Medicine Physician · Oak Harbor, WA NPI 1669965281 James O'Connor Psychologist · Oak Harbor, WA NPI 1356129902
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-01.