Herman Marx
NPI 1730275934 · Family Medicine Physician · Grandview, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Herman Marx is a Family Medicine Physician provider in Grandview, WA (NPI 1730275934).
Provider details
- NPI number
- 1730275934
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MD00031988 (WA)
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2021-03-22
- Certified
- 2021-03-22
Frequently asked questions
- What is Herman Marx's NPI number?
- Herman Marx's National Provider Identifier (NPI) is 1730275934, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Herman Marx's specialty?
- Herman Marx is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Herman Marx located?
- Herman Marx's practice location on file with NPPES is 240 Division St, Grandview, WA 98930-1357.
- What is Herman Marx's phone number?
- The practice phone number listed in the NPPES registry for Herman Marx is (509) 882-4700.
- Does Herman Marx accept Medicare?
- Herman Marx is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Herman Marx's NPI active?
- Yes — Herman Marx's NPI (1730275934) is active in the NPPES registry as of the last update on 2021-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.