TOM YIFU XIA M.D.
NPI 1255863080
Psychiatry & Neurology - Psychiatry in Los Angeles, CA

NPI Status: Active since March 30, 2017

Contact Information

1200 N STATE ST
SUITE A7D
LOS ANGELES, CA
ZIP 90033
Phone: (323) 409-5555

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry
  • Opted-Out Medicare

About TOM XIA

This page provides the complete NPI Profile along with additional information for Tom Xia, a provider established in Los Angeles, California with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1255863080 assigned on March 2017. The practitioner's primary taxonomy code is 2084P0800X with license number 160414 (CA). The provider is registered as an individual and his NPI record was last updated 5 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1255863080
Provider Name
TOM YIFU XIA M.D.
Other Name
YIFU XIA M.D.
Other Name Type
Former Name (1)
Gender
Male
Entity Type
Individual
Location Address
1200 N STATE ST SUITE A7D LOS ANGELES, CA 90033
Location Phone
(323) 409-5555
Mailing Address
1200 N STATE ST SUITE A7D LOS ANGELES, CA 90033
Mailing Phone
(323) 409-5555
Is Sole Proprietor?
Yes
Enumeration Date
03-30-2017
Last Update Date
04-26-2021
Code Navigator

A psychiatrist like Tom Xia are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Tom Xia opted out of Medicare effective on 01-20-2024 until 01-20-2026. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
160414
License State
CA
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Medicare Participation & PECOS Enrollment Status

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 01-20-2024

  • Opt-Out End Date: 01-20-2026

  • Eligible to Order and Refer? No

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1255863080, we treat the final digit (0) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
3
Doubled → 6
Pos 8
0
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
0
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 8 → 16 → 7 3 → 6 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 0 + 5 + 1 + 6 + 6 + 6 + 0 + 1 + 6 + 24 = 60

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1255863080.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Emergency Medicine
1200 N STATE ST, EMERGENCY DEPARTMENT
LOS ANGELES, CA 90033
Emergency Medicine
1200 N STATE ST, ROOM 1011
LOS ANGELES, CA 90033
General Acute Care Hospital
1200 N STATE ST
LOS ANGELES, CA 90033
General Acute Care Hospital
1200 N STATE ST
LOS ANGELES, CA 90033
General Acute Care Hospital
1200 N STATE ST
LOS ANGELES, CA 90033
Psychiatric Unit
1200 N STATE ST
LOS ANGELES, CA 90033
Obstetrics & Gynecology
1200 N STATE ST, ROOM 1110
LOS ANGELES, CA 90033
Pathology (Blood Banking & Transfusion Medicine)
1200 N STATE ST, CLINIC TOWER A7E114
LOS ANGELES, CA 90033
Social Worker (Clinical)
1200 N STATE ST
LOS ANGELES, CA 90033
Orthopaedic Surgery
1200 N STATE ST
LOS ANGELES, CA 90033
Psychiatry & Neurology (Addiction Medicine)
1200 N STATE ST
LOS ANGELES, CA 90033
Internal Medicine
1200 N STATE ST
LOS ANGELES, CA 90033
Emergency Medicine
1200 N STATE ST
LOS ANGELES, CA 90033
Internal Medicine
1200 N STATE ST
LOS ANGELES, CA 90033
Internal Medicine
1200 N STATE ST
LOS ANGELES, CA 90033
Orthopaedic Surgery
1200 N STATE ST
LOS ANGELES, CA 90033
Anesthesiology
1200 N STATE ST
LOS ANGELES, CA 90033
Orthopaedic Surgery
1200 N STATE ST
LOS ANGELES, CA 90033
Anesthesiology
1200 N STATE ST, #14-901
LOS ANGELES, CA 90033
Orthopaedic Surgery (Orthopaedic Trauma)
1200 N STATE ST, GNH 3900, LAC-USC MEDICAL CENTER
LOS ANGELES, CA 90033

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255863080, enumerated as an "individual" on March 30, 2017.

The provider is located at 1200 N STATE ST SUITE A7D LOS ANGELES, CA 90033 and the phone number is (323) 409-5555.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.