Quick answers
- Which hospitals does Leonel Martinez work at?
- Medicare's official clinician data lists Leonel Martinez at 2 hospitals: AdventHealth Ottawa and LMH. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Leonel Martinez see patients?
- Medicare's clinician data lists 2 practice locations, including Lawrence, KS and Ottawa, KS. Call before your visit to confirm the address.
- What is Leonel Martinez's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Leonel Martinez accept Medicare assignment?
- Yes. Medicare's clinician data says Leonel 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 Leonel Martinez?
- (785) 841-1107, as listed in official Medicare / NPI Registry data.
- What is Leonel Martinez's NPI number?
- 1598915217. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Leonel Martinez works
Medicare's Facility Affiliation Data lists Leonel Martinez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth OttawaOttawa, KS · Acute Care Hospital · CCN 170014
- LMHLawrence, KS · Acute Care Hospital · CCN 170137
Practice locations
Addresses where Leonel Martinez is enrolled with Medicare (CMS data updated 2026-10-02).
- 1112 W 6th St, Suite 216Lawrence, KS 66044 (785) 841‑1107
- 1302 S Main St, Suite 5Ottawa, KS 66067 (785) 841‑1107
Group practices
Medicare enrollment lists Leonel Martinez as a member of this group (CMS data updated 2026-10-02).
- Lawrence Otolaryngology Associates, LLC12 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Lawrence
Clinicians with the same Medicare primary specialty in Lawrence, KS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598915217 |
| 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