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MARIA VIRGINIA GARCIA SIOSON-AYALA MD
NPI 1922137173
Family Medicine in El Monte, CA

Active since March 05, 2007PECOS EnrolledAccepts Medicare Assignment
10418 VALLEY BLVD, EL MONTE, CA 91731(626) 453-8466(626) 453-8465 Get Directions Write a Review

NPPES record last updated: February 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Maria Virginia Garcia Sioson-ayala Md NPPES

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

MARIA VIRGINIA GARCIA SIOSON-AYALA MD (NPI 1922137173) is an individual family medicine provider in El Monte, California, licensed in California (A105436) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in El Monte, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1922137173
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMARIA VIRGINIA GARCIA SIOSON-AYALACredential: MD
Location Address10418 VALLEY BLVDEl Monte, CA 91731-3600
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203
Phone(626) 453-8466
Fax(626) 453-8465
Sole ProprietorYes
Medical School CMSOtherGraduated 1997
Enumeration DateMarch 5, 2007
Last NPPES UpdateFebruary 21, 2026
NPPES CertifiedFebruary 21, 2026
✔ NPI 1922137173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A105436
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
10418 VALLEY BLVD, El Monte, CA 91731
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Secondary Practice Location 1

Location 13144 Santa Anita AveEl Monte, CA 91733-1316 · Phone (626) 401-4147

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

Maria Virginia Garcia Sioson-ayala Md 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 ID3476685595
PECOS Enrollment IDI20100724000135
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 5

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.

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.
50 services40 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
24 services24 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
20 services20 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.
17 services11 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91731 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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 20

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

SHEUNG KAI VONG
Family Medicine
10418 VALLEY BLVD, STE B
EL MONTE, CA 91731
Los Angeles County (626) 453-8466
ALTAMED HEALTH SERVICES CORP
Clinic/Center (Federally Qualified Health Center (FQHC))
10418 VALLEY BLVD, SUITE A
EL MONTE, CA 91731
Los Angeles County (626) 453-8466
MISS ROSALINA PALMA
Social Worker
10418 VALLEY BLVD, SUITE A
EL MONTE, CA 91731
Los Angeles County (626) 258-1600
MRS. ARLENE HERNANDEZ
Health Educator
10418 VALLEY BLVD, STU. B
EL MONTE, CA 91731
Los Angeles County (626) 201-0366
ALTAMED HEALTH SERVICES
Clinic/Center (Adult Day Care)
10418 VALLEY BLVD, SUITE B
EL MONTE, CA 91731
Los Angeles County (323) 622-2429
VIRYDIANA RECINOS
Community Health Worker
10418 VALLEY BLVD, SUITE B
EL MONTE, CA 91731
Los Angeles County (626) 582-1423
LOAN TRAN OTR
Occupational Therapist
10418 VALLEY BLVD
EL MONTE, CA 91731
Los Angeles County (626) 453-8466
MARISELA ELIZABETH GARCIA LVN
Licensed Vocational Nurse
10418 VALLEY BLVD
EL MONTE, CA 91731
Los Angeles County (626) 258-1600

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 Maria Virginia Sioson-ayala's NPI number?

The NPI number for Maria Virginia Sioson-ayala is 1922137173. It was assigned to this individual provider in the NPPES registry on March 5, 2007.

Where is Maria Virginia Sioson-ayala located?

Maria Virginia Sioson-ayala practices at 10418 Valley Blvd, El Monte, CA 91731. The listed phone number is (626) 453-8466.

What is Maria Virginia Sioson-ayala's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Maria Virginia Sioson-ayala enrolled in Medicare?

Yes. Maria Virginia Sioson-ayala 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 Maria Virginia Sioson-ayala was last updated on February 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.