Eugene Marciniak, MD
NPI 1407830458 · Internal Medicine Physician · Las Cruces, NM
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eugene Marciniak, MD is a Internal Medicine Physician provider in Las Cruces, NM (NPI 1407830458).
Provider details
- NPI number
- 1407830458
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2000237 (NM)
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
20 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
- 2005-12-02
- Last updated
- 2026-01-09
- Certified
- 2026-01-09
Frequently asked questions
- What is Eugene Marciniak's NPI number?
- Eugene Marciniak's National Provider Identifier (NPI) is 1407830458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eugene Marciniak's specialty?
- Eugene Marciniak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eugene Marciniak located?
- Eugene Marciniak's practice location on file with NPPES is 999 W Amador Ave Ste a, Las Cruces, NM 88005-2739.
- What is Eugene Marciniak's phone number?
- The practice phone number listed in the NPPES registry for Eugene Marciniak is (575) 527-5482.
- Does Eugene Marciniak accept Medicare?
- Eugene Marciniak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eugene Marciniak's NPI active?
- Yes — Eugene Marciniak's NPI (1407830458) is active in the NPPES registry as of the last update on 2026-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.