Eugene Gerard Marciniak, MD
Internal Medicine Physician · Las Cruces, NM
Eugene Gerard Marciniak, MD is an internal medicine physician with a practice address in Las Cruces, New Mexico, and NPI 1407830458, issued on Dec 2, 2005. Check the license (New Mexico 2000237, as entered in NPPES) on the New Mexico Medical Board; the Medicare figures below come from public CMS files.
- Name
- Eugene Gerard Marciniak
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2000237 NM
Self-reported in NPPES; status is on the state search - Practice location
- 999 W Amador Ave Ste A, Las Cruces, NM 88005
- Phone
- (575) 527-5482
- Enumerated
- Dec 2, 2005
- Record last updated
- Jan 9, 2026
- Fax
- (575) 525-3542
- Medicaid ID
- 68979 NM
- Medicare enrollment
- Enrolled (PECOS I20241231001269); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 770 in New Mexico → Look up another NPI →
Also registered at 999 W Amador Ave Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marisela AguileraCommunity Health Worker1184462780
- Erinma Anyankah, PHARMDPharmacist1235677568
- Ramon BrionesCommunity Health Worker1033722418
- Taylor Domek, CPSWClinical Social Worker1528825189
- Jasper FinneganCommunity Health Worker1134070527
- Jesus Hernandez, LMHCProfessional Counselor1780283697
Verify Eugene Gerard Marciniak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Mexico Medical Board
Search for license 2000237Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Amador Health Center, Inc.Las Cruces, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eugene Gerard Marciniak among 770 internal medicine physician records in New Mexico
Eugene Gerard Marciniak, MD is one of 770 internal medicine physician records with a practice address in New Mexico. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1982 · median 2009 among the 447 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Mexico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
52 internal medicine physician records list a practice address in Las Cruces
They are 52 of the 5,468 NPPES records with a practice address in Las Cruces, and 770 internal medicine physician records in New Mexico.
All 770 in New Mexico → Every provider in Las Cruces → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Patricia Andrews, M.D.Las Cruces, NM 880051659403152
- Syed Rafique Ahmed, M.D.Las Cruces, NM 880071184008153
- Jose Mendez Ramirez, MDLas Cruces, NM 880071841498375
- Judi Voelz, M.D.Las Cruces, NM 880031225382427
- Wendi Darag, MDLas Cruces, NM 880011477871598
- Talha Khan, MDLas Cruces, NM 880011609368455
- Hector Lerma, M.D.Las Cruces, NM 880011457747289
- Ramon Valles GamezLas Cruces, NM 880011588302434
Common questions
What is Eugene Gerard Marciniak, MD's NPI number?
Eugene Gerard Marciniak, MD's National Provider Identifier (NPI) is 1407830458, issued on Dec 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Eugene Gerard Marciniak, MD located?
The NPPES record lists a practice address at 999 W Amador Ave Ste A, Las Cruces, NM, 88005. Phone: (575) 527-5482. Providers update this record themselves, so call before visiting.
How can I verify Eugene Gerard Marciniak, MD's license?
NPPES lists New Mexico license number 2000237, as entered by the provider. Search the New Mexico Medical Board at https://www.nmmb.state.nm.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.