COREY NGOY MD
NPI 1285216739
Psychiatry & Neurology - Psychiatry in Norwalk, CA

NPI Status: Active since April 24, 2021

Contact Information

11401 BLOOMFIELD AVE
NORWALK, CA
ZIP 90650
Phone: (562) 863-7011

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  • Individual
  • Male
  • Years of Experience 5
  • Psychiatry & Neurology
  • Psychiatry
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About COREY NGOY

This page provides the complete NPI Profile along with additional information for Corey Ngoy, a provider established in Norwalk, California with a medical specialization in Psychiatry & Neurology, focusing in psychiatry and more than 5 years of experience. The healthcare provider is registered in the NPI registry with number 1285216739 assigned on April 2021. The practitioner's primary taxonomy code is 2084P0800X with license number A192609 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1285216739
Provider Name
COREY NGOY MD
Gender
Male
Entity Type
Individual
Location Address
11401 BLOOMFIELD AVE NORWALK, CA 90650
Location Phone
(562) 863-7011
Mailing Address
11401 BLOOMFIELD AVE NORWALK, CA 90650
Medical School Name
OTHER
Graduation Year
2021
Is Sole Proprietor?
No
Enumeration Date
04-24-2021
Last Update Date
08-29-2025
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A psychiatrist like Corey Ngoy 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.

Location Map

Secondary Locations

  • 1000 W Carson St
    Torrance, CA 90502
    (424) 306-6481

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.
A192609
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)
1174400000XOther Service Providers

Specialist

 
2174400000XOther Service Providers

Specialist

PTL6494 (CA)
3390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

Medicare Participation & PECOS Enrollment Status

Corey Ngoy is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Corey Ngoy is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

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.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 4880196039

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20250905004391

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Maybe

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 90650 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $187.6
  • Minimum New Patient Price $62.96
  • Maximum New Patient Price $187.6
  • Average New Patient Copayment $46.9
  • Minimum New Patient Copayment $15.74
  • Maximum New Patient Copayment $46.9

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $77.96
  • Minimum Established Patient Price $20.84
  • Maximum Established Patient Price $153.61
  • Average Established Patient Copayment $19.49
  • Minimum Established Patient Copayment $5.21
  • Maximum Established Patient Copayment $38.4

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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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 1285216739, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
7
Unchanged
Pos 9
3
Doubled → 6
Check
9
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 8 → 16 → 7 2 → 4 6 → 12 → 3 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 6 + 5 + 4 + 1 + 1 + 2 + 7 + 6 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1285216739.

Other Providers at the Same Location


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

Ophthalmology
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Psychologist (Clinical)
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Psychologist (Clinical)
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Psychiatry & Neurology (Psychiatry)
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Psychiatry & Neurology (Psychiatry)
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Psychologist (Clinical)
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Psychologist (Clinical)
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Psychiatry & Neurology (Psychiatry)
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Psychologist (Clinical)
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Counselor (Mental Health)
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Psychologist (Clinical)
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Physical Therapist
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Counselor (Mental Health)
11401 BLOOMFIELD AVE, 305
NORWALK, CA 90650
Psychologist (Clinical)
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Psychologist (Clinical)
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Psychologist (Clinical)
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Counselor (Mental Health)
11401 BLOOMFIELD AVE, BUILDING #305-#307
NORWALK, CA 90650
Family Medicine
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Psychologist
11401 BLOOMFIELD AVE
NORWALK, CA 90650
Psychologist (Clinical)
11401 BLOOMFIELD AVE
NORWALK, CA 90650

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285216739, enumerated as an "individual" on April 24, 2021.

The provider is located at 11401 BLOOMFIELD AVE NORWALK, CA 90650 and the phone number is (562) 863-7011.

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