1. Home
  2. Directory
  3. California
  4. La Mesa
  5. Emergency Medicine
  6. NPI Profile

DR. JAMES HSIAO M.D.
NPI 1306022959
Emergency Medicine in La Mesa, CA

Active since January 14, 2008PECOS EnrolledAccepts Medicare Assignment
77.12/100
CMS Quality Rating
5555 GROSSMONT CENTER DR, LA MESA, CA 91942(410) 206-6613 Get Directions Write a Review

NPPES record last updated: November 25, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. James Hsiao M.d. NPPES

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

DR. JAMES HSIAO M.D. (NPI 1306022959) is an individual emergency medicine provider in La Mesa, California, licensed in California (A104525) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS and is a graduate of University Of Maryland School Of Medicine (2004).

NPPES Registry Identity

NPI1306022959
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JAMES HSIAOCredential: M.D.
Location Address5555 GROSSMONT CENTER DRLa Mesa, CA 91942-3019
Mailing Address5555 Grossmont Center DrLa Mesa, CA 91942-3019 · (410) 206-6613
Phone(410) 206-6613
Sole ProprietorYes
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2004
Enumeration DateJanuary 14, 2008
Last NPPES UpdateNovember 25, 2008
✔ NPI 1306022959 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CA · A104525✔ Licensed in NY · 239509
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.
5555 GROSSMONT CENTER DR, La Mesa, CA 91942
Open in Google Maps ↗

Other Identifiers 1

Medicare PINAT251ZCA

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

Dr. James Hsiao 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 ID4587723366
PECOS Enrollment IDI20081107000606
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 6

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.
474 services458 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.
341 services310 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.
97 services93 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.
90 services90 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.
16 services16 patients
Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91942 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality67.17
Improvement Activities40
Cost50.6

Reported Quality Measures

Emergency Medicine: Emergency Department Utilization of CT for Minor Blunt Head Trauma for Patients Aged 18 Years and Older
100%42 patients
Ultrasound Determination of Pregnancy Location for Pregnant Patients with Abdominal Pain
97%31 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

ALHELI BAILY
Registered Nurse
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 740-6000
MISS APRIL JULIA CROMIE PMHNP-BC, APRN, MSN
Nurse Practitioner (Psychiatric/Mental Health)
5555 GROSSMONT CENTER DR, 5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (858) 296-6182
TEAGAN SHEA COLEMAN
Registered Nurse (Emergency)
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 740-6000
BRENDAN J LEE DO
Emergency Medicine
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 644-4401
PAUL Y ABOU MD
Internal Medicine
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 465-0711
MRS. AMY ELIZABETH VU P.A.-C
Physician Assistant
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 740-6000
CHRISTA ANN LANDOWSKA AREFIEVA MD
Emergency Medicine
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 740-6000
TYLER QUOC NGUYEN
Pharmacist
5555 GROSSMONT CENTER DR
LA MESA, CA 91942
San Diego County (619) 740-6000

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 Hsiao's NPI number?

The NPI number for James Hsiao is 1306022959. It was assigned to this individual provider in the NPPES registry on January 14, 2008.

Where is James Hsiao located?

James Hsiao practices at 5555 Grossmont Center Dr, La Mesa, CA 91942. The listed phone number is (410) 206-6613.

What is James Hsiao's specialty?

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

Is James Hsiao enrolled in Medicare?

Yes. James Hsiao 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 Hsiao was last updated on November 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.