Quick answers
- Which hospitals does Humberto Martinez work at?
- Medicare's official clinician data lists Humberto Martinez at 1 hospital: Los Alamos Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Humberto Martinez see patients?
- Medicare's clinician data lists 3 practice locations, including Espanola, NM and Los Alamos, NM. Call before your visit to confirm the address.
- What is Humberto Martinez's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Humberto Martinez accept Medicare assignment?
- Yes. Medicare's clinician data says Humberto Martinez accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Humberto Martinez?
- (505) 753-9292, as listed in official Medicare / NPI Registry data.
- What is Humberto Martinez's NPI number?
- 1659420560. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Humberto Martinez works
Medicare's Facility Affiliation Data lists Humberto Martinez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Los Alamos Medical CenterLos Alamos, NM · Acute Care Hospital · CCN 320033
Practice locations
Addresses where Humberto Martinez is enrolled with Medicare (CMS data updated 2026-10-02).
- 1302 Calle De La Merced, Suite EEspanola, NM 87532 (505) 753‑9292
- 3917 W Rd, Suite 125Los Alamos, NM 87544 (505) 661‑9533
- 3917 W Rd, Suite 137Los Alamos, NM 87544 (505) 661‑9526
Group practices
Medicare enrollment lists Humberto Martinez as a member of this group (CMS data updated 2026-10-02).
- Los Alamos Physician Practices LLC20 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Espanola
Clinicians with the same Medicare primary specialty in Espanola, NM — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659420560 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians