THOMAS A GIONIS M.D.
NPI 1780638049
Emergency Medicine in Norwalk, CA

Q: What is Thomas Gionis's NPI number?

The NPI number for Thomas Gionis is 1780638049. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Q: What is Thomas Gionis'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 Thomas Gionis was last updated on November 27, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 20, 2006PECOS EnrolledAccepts Medicare Assignment

13100 STUDEBAKER RD, NORWALK, CA 90650(562) 864-6377 Get Directions Write a Review

NPPES record last updated: November 27, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Thomas A Gionis M.d. NPPES

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

THOMAS A GIONIS M.D. (NPI 1780638049) is an individual emergency medicine provider in Norwalk, California, licensed in California (C39248) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Medical University Of South Carolina College Of Medicine (1975).

NPPES Registry Identity

NPI1780638049

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameTHOMAS A GIONISCredential: M.D.

Location Address13100 STUDEBAKER RDNorwalk, CA 90650-2531

Mailing AddressDept La 21575Pasadena, CA 91185-1575 · (949) 263-8620 · Fax (949) 263-0473

Phone(562) 864-6377

Sole ProprietorNo

Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 1975

Enumeration DateMay 20, 2006

Last NPPES UpdateNovember 27, 2007

✔ NPI 1780638049 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 · C39248

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.

13100 STUDEBAKER RD, Norwalk, CA 90650

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Other Identifiers 3

Medicare PINWC39248DCA

Medicare UPINA37094

Medicare PINP00379121CA

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

Thomas A Gionis 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 ID547157687

PECOS Enrollment IDI20040302001422

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 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.

32 services30 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.

26 services26 patients

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.

19 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90650 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.

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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.

BRIAN CHRISTOPHER PAYNE M.D.

Emergency Medicine