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MRS. LETICIA MARAVILLA DIAZ
NPI 1346882800
Physician Assistant in Turlock, CA

Active since October 16, 2019PECOS EnrolledAccepts Medicare Assignment
1853 LANDER AVE, TURLOCK, CA 95380(209) 656-1617(209) 656-1626 Get Directions Write a Review

NPPES record last updated: August 22, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 7, 2022, Apr 18, 2020, Oct 16, 2019 (3 updates tracked since 2019).

About Mrs. Leticia Maravilla Diaz NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. LETICIA MARAVILLA DIAZ (NPI 1346882800) is an individual physician assistant in Turlock, California and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1346882800
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMRS. LETICIA MARAVILLA DIAZ
Location Address1853 LANDER AVETurlock, CA 95380-6240
Mailing Address7471 N Fresno StFresno, CA 93720-2457 · (559) 436-4500 · Fax (559) 261-1526
Phone(209) 656-1617
Fax(209) 656-1626
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateOctober 16, 2019
Last NPPES UpdateAugust 22, 20253 updates tracked since enumeration
NPPES CertifiedAugust 22, 2025
✔ NPI 1346882800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1853 LANDER AVE, Turlock, CA 95380
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Secondary Practice Locations 3

Location 12339 W Hammer Ln Ste AStockton, CA 95209-2368 · Phone (209) 940-5901 · Fax (209) 336-0275
Location 24411 Parquet WayTurlock, CA 95382-8630 · Phone (209) 720-6805
Location 31429 W Fremont StStockton, CA 95203-2635 · Phone (209) 546-7767

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Leticia Maravilla Diaz is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567891880
PECOS Enrollment IDI20200407001732
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
1,415 services18 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
80 services59 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
66 services44 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
34 services27 patients
Test to measure the level of nitric oxide gas 95012
A test to measure the level of nitric oxide gas helps assess inflammation in the lungs, often linked with asthma. You'll breathe into a device, and it'll provide a reading of nitric oxide levels. This helps monitor and manage respiratory conditions.
26 services26 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
24 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95380 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CAROL ANN LEWIS FNP
Nurse Practitioner
1853 LANDER AVE
TURLOCK, CA 95380
Stanislaus County (209) 656-1617
RAMANDEEP KAUR
General Practice
1853 LANDER AVE
TURLOCK, CA 95380
Stanislaus County (209) 656-1617
BAZ ALLERGY, ASTHMA & SINUS CENTER, INC.
Allergy & Immunology (Allergy)
1853 LANDER AVE
TURLOCK, CA 95380
Stanislaus County (559) 436-4500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leticia Diaz's NPI number?

The NPI number for Leticia Diaz is 1346882800. It was assigned to this individual provider in the NPPES registry on October 16, 2019.

Where is Leticia Diaz located?

Leticia Diaz practices at 1853 Lander Ave, Turlock, CA 95380. The listed phone number is (209) 656-1617.

What is Leticia Diaz's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Leticia Diaz enrolled in Medicare?

Yes. Leticia Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Leticia Diaz was last updated on August 22, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.