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ANA LOPEZ-O'SULLIVAN M.D.
NPI 1235363193
Emergency Medicine in Torrance, CA

Active since May 07, 2009PECOS EnrolledAccepts Medicare Assignment
3105 LOMITA BLVD, TORRANCE, CA 90505(310) 784-4997 Get Directions Write a Review

NPPES record last updated: June 16, 2014. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Ana Lopez-o'sullivan M.d. NPPES

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

ANA LOPEZ-O'SULLIVAN M.D. (NPI 1235363193) is an individual emergency medicine provider in Torrance, California, licensed in California (A114378) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, is affiliated with Rex Hospital, and is a graduate of University Of California, Geffen School Of Medicine (2009).

NPPES Registry Identity

NPI1235363193
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameANA LOPEZ-O'SULLIVANCredential: M.D.
Location Address3105 LOMITA BLVDTorrance, CA 90505-5108
Mailing Address8006 Westlawn AveLos Angeles, CA 90045-2751 · (310) 923-3092
Phone(310) 784-4997
Sole ProprietorYes
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2009
Enumeration DateMay 7, 2009
Last NPPES UpdateJune 16, 2014
✔ NPI 1235363193 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 · A114378
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.

3105 LOMITA BLVD, Torrance, CA 90505
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Other Names 1

Professional Name (2)Ana Lopez-o'sullivan

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

Ana Lopez-o'sullivan M.d. 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 ID8022244540
PECOS Enrollment IDI20251208000189
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.

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.
166 services165 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
89 services86 patients
Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042
An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.
80 services80 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.
77 services75 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.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Rex Hospital

Acute Care Hospitals · Raleigh, NC
5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number340114
Location4420 Lake Boone TrailRaleigh, NC 27607 · Wake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90505 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

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

TORRANCE EMERGENCY CARE ASSOCIATES, INC.
Emergency Medicine (Emergency Medical Services)
3105 LOMITA BLVD
TORRANCE, CA 90505
Los Angeles County (310) 784-3706

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 Ana Lopez-o'sullivan's NPI number?

The NPI number for Ana Lopez-o'sullivan is 1235363193. It was assigned to this individual provider in the NPPES registry on May 7, 2009.

Where is Ana Lopez-o'sullivan located?

Ana Lopez-o'sullivan practices at 3105 Lomita Blvd, Torrance, CA 90505. The listed phone number is (310) 784-4997.

What is Ana Lopez-o'sullivan's specialty?

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

Is Ana Lopez-o'sullivan enrolled in Medicare?

Yes. Ana Lopez-o'sullivan 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.

Is Ana Lopez-o'sullivan affiliated with any hospitals?

According to CMS data, Ana Lopez-o'sullivan is affiliated with Rex Hospital.

When was this NPI record last updated?

The NPPES record for Ana Lopez-o'sullivan was last updated on June 16, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.