Quick answers
- Does Luven Mari S. Tejero accept Medicare assignment?
- Yes. Medicare's clinician data says Luven Mari S. Tejero accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Luven Mari S. Tejero see?
- In 2024, CMS data shows 122 Original Medicare patients and 778 services for Luven Mari S. Tejero. This counts Original Medicare only and measures volume, not quality.
- What is Luven Mari S. Tejero's NPI number?
- 1659421915. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Luven Mari S. Tejero, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 122 |
|---|---|
| Services billed to Medicare | 778 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 54 |
Most frequent services
- Injection of drug or substance under skin or into muscle (96372)352 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)272 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)146 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol50%
- Anxiety49%
- High blood pressure48%
- Depression40%
- Diabetes24%
- Arthritis21%
Hospitals where Luven Mari S. Tejero works
Medicare's Facility Affiliation Data lists Luven Mari S. Tejero at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- ProMedica Charles and Virginia Hickman HospitalAdrian, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230005
Practice locations
Addresses where Luven Mari S. Tejero is enrolled with Medicare (CMS data updated October 2, 2026).
- 1040 S Winter St, Suite 1022Adrian, MI 49221 (517) 263‑8905
- 1200 N Main StAdrian, MI 49221 (517) 263‑8905
Group practices
Medicare enrollment lists Luven Mari S. Tejero as a member of this group (CMS data updated October 2, 2026).
- Lenawee Community Mental Health Authority8 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Adrian
Clinicians with the same Medicare primary specialty in Adrian, MI — not a recommendation.
Other clinicians in Lenawee Community Mental Health Authority
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1659421915 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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