Quick answers
- Does Leticia M. Diaz accept Medicare assignment?
- Yes. Medicare's clinician data says Leticia M. Diaz 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 Leticia M. Diaz see?
- In 2024, CMS data shows 90 Original Medicare patients and 1,980 services for Leticia M. Diaz. This counts Original Medicare only and measures volume, not quality.
- What is Leticia M. Diaz's NPI number?
- 1346882800. 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 Leticia M. Diaz, 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 | 90 |
|---|---|
| Services billed to Medicare | 1,980 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 66 |
Most frequent services
- Test for allergy using allergenic extract (95004)1,415 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)80 services
- Test to measure expiratory airflow and volume (94010)66 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)34 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)33 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 blood pressure67%
- High cholesterol59%
- Arthritis46%
- Asthma42%
- Anxiety28%
- Diabetes27%
Practice locations
Addresses where Leticia M. Diaz is enrolled with Medicare (CMS data updated October 2, 2026).
- 1415 Badger Flat Rd, Suite ALos Banos, CA 93635 (209) 710‑8684
- 1923 Coffee Rd, Suite 12cModesto, CA 95355 (209) 409‑8454
Group practices
Medicare enrollment lists Leticia M. Diaz as a member of this group (CMS data updated October 2, 2026).
- Baz Allergy Asthma and Sinus Center Inc23 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Baz Allergy Asthma and Sinus Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346882800 |
| 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
- 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