LAUREN IRENE O'BRIEN M.D.
NPI 1689608556
Pathology - Anatomic Pathology & Clinical Pathology in Los Angeles, CA

Q: What is Lauren O'brien's NPI number?

The NPI number for Lauren O'brien is 1689608556. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Q: What is Lauren O'brien's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Lauren O'brien was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 July 10, 2006PECOS EnrolledAccepts Medicare Assignment

1500 SAN PABLO ST, LOS ANGELES, CA 90033(323) 442-2582 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 8, 2020, Jan 29, 2019 (2 updates tracked since 2019).

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About Lauren Irene O'brien M.d. NPPES

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

LAUREN IRENE O'BRIEN M.D. (NPI 1689608556) is an individual anatomic pathology & clinical pathology provider in Los Angeles, California, licensed in California (G46005) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (1978).

NPPES Registry Identity

NPI1689608556

Entity TypeIndividualFemale

Primary Taxonomy207ZP0102X

Provider Legal NameLAUREN IRENE O'BRIENCredential: M.D.

Location Address1500 SAN PABLO STLos Angeles, CA 90033

Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-2582

Phone(323) 442-2582

Sole ProprietorNo

Medical School CMSDuke University School Of MedicineGraduated 1978

Enumeration DateJuly 10, 2006

Last NPPES UpdateNovember 27, 20232 updates tracked since enumeration

NPPES CertifiedSeptember 8, 2020

✔ NPI 1689608556 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in CA · G46005

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

1500 SAN PABLO ST, Los Angeles, CA 90033

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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

Lauren Irene O'brien 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 ID8022201318

PECOS Enrollment IDI20101019001054

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 2

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.

Blood bank physician services for cross match and/or evaluation and written report 86077

Blood bank physician services for cross match involve testing your blood against donor blood to ensure compatibility before a transfusion. The evaluation includes a detailed analysis of your blood type and antibodies. A written report will be provided, summarizing the findings.

174 services130 patients

Blood bank physician services for investigation of transfusion reaction with written report 86078

This service involves a blood bank doctor examining a patient's reaction to a blood transfusion. The doctor will conduct tests to identify the cause and provide a written report detailing the findings and recommendations for future care.

14 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

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.

MRS. CATHY KIEM NGO CRNA

Nurse Anesthetist, Certified Registered

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (323) 442-7400

DR. THOMAS ALLEN BUCHANAN M.D.

Internal Medicine

1500 SAN PABLO ST, 3 NORTH UNIVERSITY HOSPITAL
LOS ANGELES, CA 90033

Los Angeles County (323) 442-9576

DR. KASHIF TANVEER KHAN M.D.

Anesthesiology

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (323) 442-7400

BARBARA LEUNG

Occupational Therapist

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (800) 272-2273

MELANIE KUSONRUKSA M.D.

Anesthesiology

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (323) 442-7400

KAREN KIM PHARMD

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (323) 442-9385

DR. SHALINI SUNIL SHAH M.D.

Anesthesiology

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (714) 261-3585

TYLER DANIEL COHAN

Student in an Organized Health Care Education/Training Program

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (800) 872-2273

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 Lauren O'brien's NPI number?

The NPI number for Lauren O'brien is 1689608556. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Where is Lauren O'brien located?

Lauren O'brien practices at 1500 San Pablo St, Los Angeles, CA 90033. The listed phone number is (323) 442-2582.

What is Lauren O'brien's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Lauren O'brien enrolled in Medicare?

Yes. Lauren O'brien 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 Lauren O'brien was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.