DR. LIEZL AVILA D.O.
NPI 1487064515
Emergency Medicine in Upland, CA

Q: What is Liezl Avila's NPI number?

The NPI number for Liezl Avila is 1487064515. It was assigned to this individual provider in the NPPES registry on April 28, 2014. The provider is also known as Liezl Barrett.

Q: What is Liezl Avila's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Liezl Avila was last updated on October 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.

Active since April 28, 2014PECOS EnrolledAccepts Medicare Assignment

999 SAN BERNARDINO RD, UPLAND, CA 91786(909) 985-2811 Get Directions Write a Review

NPPES record last updated: October 21, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 21, 2020, Sep 16, 2020 (2 updates tracked since 2020).

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About Dr. Liezl Avila D.o. NPPES

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

DR. LIEZL AVILA D.O. (NPI 1487064515) is an individual emergency medicine provider in Upland, California, licensed in California (20A14280) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1487064515

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameDR. LIEZL AVILACredential: D.O.

Location Address999 SAN BERNARDINO RDUpland, CA 91786-4920

Mailing Address999 San Bernardino RdUpland, CA 91786-4920 · (909) 985-2811

Phone(909) 985-2811

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateApril 28, 2014

Last NPPES UpdateOctober 21, 20202 updates tracked since enumeration

NPPES CertifiedOctober 21, 2020

✔ NPI 1487064515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CA · 20A14280

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

999 SAN BERNARDINO RD, Upland, CA 91786

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Other Names 1

Former Name (1)Liezl Barrett

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Liezl Avila D.o. 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 ID6103129838

PECOS Enrollment IDI20160129000552

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.

Medicare Billing Reassignments

Medicare enrollment records show Liezl Avila reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mountain View Emergency Physicians Medical Group, Inc.

Same address

Emergency Medicine

999 SAN BERNARDINO RD
Upland, CA 91786

Reassigned Medicare billing, California enrollment
103 clinicians in this Medicare group

NPI 1619923653 (909) 985-2811

Cep America - California

16 mi

Emergency Medicine

400 NORTH PEPPER AVENUE
Colton, CA 92324

Reassigned Medicare billing, California enrollment
2,323 clinicians in this Medicare group

NPI 1306899166 (909) 580-1400

Palomar Emergency Physicians, Inc

74 mi

Emergency Medicine

2185 CITRACADO PKWY
Escondido, CA 92029

Reassigned Medicare billing, California enrollment
135 clinicians in this Medicare group

NPI 1124698139 (310) 321-0143

Scripps Health

76 mi

General Acute Care Hospital

354 SANTA FE DR
Encinitas, CA 92024

Reassigned Medicare billing, California enrollment
1,598 clinicians in this Medicare group

NPI 1700829199 (760) 457-4123

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

128 services126 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

119 services113 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.

114 services112 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.

78 services77 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

58 services58 patients

Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.

45 services44 patients

Injection, ketorolac tromethamine, per 15 mg J1885

Ketorolac tromethamine is a medication administered through injection, often used to manage moderate to severe pain. Each 15 mg dose helps to reduce hormones causing inflammation and pain in the body. It is not recommended for long-term use.

45 services15 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

36 services35 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.

34 services34 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

15 services14 patients

Injection of drug or substance into vein 96374

This procedure involves introducing a medication or substance directly into your vein using a syringe. It's a quick and efficient way to deliver treatment throughout your body. You might feel a small prick when the needle enters. It's generally safe and effective.

15 services14 patients

Infusion into a vein for hydration, 31-60 minutes 96360

This is a procedure where a sterile solution is administered into your vein to help restore body fluid balance. It typically lasts between 31-60 minutes. It's a safe, common treatment for dehydration or to deliver medication.

14 services14 patients

Infusion, normal saline solution , 1000 cc J7030

An infusion of normal saline solution, 1000 cc, is a common medical procedure. It involves introducing a saltwater solution into your bloodstream via an intravenous (IV) line. This helps to hydrate your body, correct electrolyte imbalances, and deliver medications if needed.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91786 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

$91.88 typical visit price

range $59.60 – $179.42

Typical copayment $22.97 (range $14.90 – $44.85)

Most-billed visit code 99203

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

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.

STEPHANIE J RASMUSSEN NP

Nurse Practitioner