Matthew Gramzow, MD
NPI 1902231665 · Family Medicine Physician · Eugene, OR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Gramzow, MD is a Family Medicine Physician provider in Eugene, OR (NPI 1902231665).
Provider details
- NPI number
- 1902231665
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD174411 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (2)
- 2484 River RdEugene, OR 97404-2042Phone: (541) 222-7627Fax: (541) 222-7676
- 520 Sw Ramsey AveGrants Pass, OR 97527-5535Phone: (541) 472-7810
Registry dates
- Enumerated
- 2013-09-12
- Last updated
- 2025-09-23
- Certified
- 2025-09-23
Frequently asked questions
- What is Matthew Gramzow's NPI number?
- Matthew Gramzow's National Provider Identifier (NPI) is 1902231665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Gramzow's specialty?
- Matthew Gramzow is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Gramzow located?
- Matthew Gramzow's practice location on file with NPPES is 330 S Garden Way Ste 350, Eugene, OR 97401-8179.
- What is Matthew Gramzow's phone number?
- The practice phone number listed in the NPPES registry for Matthew Gramzow is (541) 746-6816.
- Does Matthew Gramzow accept Medicare?
- Matthew Gramzow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Gramzow's NPI active?
- Yes — Matthew Gramzow's NPI (1902231665) is active in the NPPES registry as of the last update on 2025-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.