ROBERT CHANG D.O.
NPI 1487724308
Psychiatry & Neurology - Psychiatry in West Hollywood, CA
NPI Status: Active since November 08, 2006
Contact Information
8265 SUNSET BLVD
204
WEST HOLLYWOOD, CA
ZIP 90046
Phone: (323) 375-0950
Fax: (619) 245-2689
- Individual
- Male
- Psychiatry & Neurology
- Psychiatry
- Opted-Out Medicare
About ROBERT CHANG
This page provides the complete NPI Profile along with additional information for Robert Chang, a provider established in West Hollywood, California with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1487724308 assigned on November 2006. The practitioner's primary taxonomy code is 2084P0800X with license number 20A6808 (CA). The provider is registered as an individual and his NPI record was last updated 6 years ago.
- NPI
- 1487724308
- Provider Name
- ROBERT CHANG D.O.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 8265 SUNSET BLVD 204 WEST HOLLYWOOD, CA 90046
- Location Phone
- (323) 375-0950
- Location Fax
- (619) 245-2689
- Mailing Address
- 8265 SUNSET BLVD 204 WEST HOLLYWOOD, CA 90046
- Mailing Phone
- (626) 354-6789
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-08-2006
- Last Update Date
- 08-28-2020
- Code Navigator
A psychiatrist like Robert Chang 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. Robert Chang opted out of Medicare effective on 07-01-2021 until 07-01-2027. 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.
- 20A6808
- 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.
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: 07-01-2021
Opt-Out End Date: 07-01-2027
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 1487724308, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 62 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1487724308, enumerated as an "individual" on November 08, 2006.
The provider is located at 8265 SUNSET BLVD 204 WEST HOLLYWOOD, CA 90046 and the phone number is (323) 375-0950.
Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.
