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JAMES ROBERT O'BRIEN MD
NPI 1780143024
Emergency Medicine in South San Francisco, CA

Active since March 17, 2019PECOS EnrolledAccepts Medicare Assignment
1200 EL CAMINO REAL, SOUTH SAN FRANCISCO, CA 94080(650) 742-2000 Get Directions Write a Review

NPPES record last updated: September 9, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 9, 2024, Jun 1, 2023, Jun 10, 2019 and 1 more (4 updates tracked since 2019).

About James Robert O'brien Md NPPES

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

JAMES ROBERT O'BRIEN MD (NPI 1780143024) is an individual emergency medicine provider in South San Francisco, California, licensed in California (A195340) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Ohio State University College Of Medicine (2019).

NPPES Registry Identity

NPI1780143024
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJAMES ROBERT O'BRIENCredential: MD
Location Address1200 EL CAMINO REALSouth San Francisco, CA 94080-3208
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Phone(650) 742-2000
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 2019
Enumeration DateMarch 17, 2019
Last NPPES UpdateSeptember 9, 20244 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2024
✔ NPI 1780143024 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CA · A195340✔ Licensed in IL · 125.073615✔ Licensed in IL · 036164831
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1200 EL CAMINO REAL, South San Francisco, CA 94080
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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

James Robert O'brien 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 ID446583082
PECOS Enrollment IDI20240905003833
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 3

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.
55 services54 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.
35 services35 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94080 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

SANDRA MOONHEE LEE PHARM. D.
Pharmacist
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-2627
MELISSA ARGENTE RT
Respiratory Therapist, Registered
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-3313
DR. JAMES NICHOLAS PEROS MD
Internal Medicine
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-2000
DR. PIERSON CHIOU M.D.
Radiology (Diagnostic Radiology)
1200 EL CAMINO REAL, 1ST FLOOR, DEPARTMENT OF RADIOLOGY
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-3882
MS. LARELL LOUISE FINEREN CRNA
Nurse Anesthetist, Certified Registered
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-3037
EDMOND L. SCHMULBACH MD
Internal Medicine (Hematology & Oncology)
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-2000
EDWARD J. BADDOUR MD
Emergency Medicine
1200 EL CAMINO REAL
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-2000
ESTHER KOESHADI PHARM.D.
Pharmacist
1200 EL CAMINO REAL, KAISER PERMANENTE INPATIENT PHARMACY 3RD FLOOR
SOUTH SAN FRANCISCO, CA 94080
San Mateo County (650) 742-2486

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 James O'brien's NPI number?

The NPI number for James O'brien is 1780143024. It was assigned to this individual provider in the NPPES registry on March 17, 2019.

Where is James O'brien located?

James O'brien practices at 1200 El Camino Real, South San Francisco, CA 94080. The listed phone number is (650) 742-2000.

What is James O'brien's specialty?

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

Is James O'brien enrolled in Medicare?

Yes. James 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 James O'brien was last updated on September 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.