DR. GUY CAMERON WILLIAMS M.D.
NPI 1144616178
Psychiatry & Neurology - Psychiatry in Towson, MD
NPI Status: Active since April 07, 2015
Contact Information
6501 N CHARLES ST
TOWSON, MD
ZIP 21204
Phone: (410) 938-3000
- Individual
- Male
- Psychiatry & Neurology
- Psychiatry
- Opted-Out Medicare
About GUY WILLIAMS
This page provides the complete NPI Profile along with additional information for Guy Williams, a provider established in Towson, Maryland with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1144616178 assigned on April 2015. The practitioner's primary taxonomy code is 2084P0800X with license number D0083270 (MD). The provider is registered as an individual and his NPI record was last updated 7 years ago.
- NPI
- 1144616178
- Provider Name
- DR. GUY CAMERON WILLIAMS M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 6501 N CHARLES ST TOWSON, MD 21204
- Location Phone
- (410) 938-3000
- Mailing Address
- 6501 N CHARLES ST TOWSON, MD 21204
- Mailing Phone
- (410) 938-3000
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-07-2015
- Last Update Date
- 07-16-2019
- Code Navigator
A psychiatrist like Guy Williams 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. Guy Williams opted out of Medicare effective on 03-15-2022 until 03-15-2026. 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.
- D0083270
- License State
- MD
- 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: 03-15-2022
Opt-Out End Date: 03-15-2026
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 1144616178, 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 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 52 is 60. The difference is the calculated check digit.
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Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1144616178, enumerated as an "individual" on April 07, 2015.
The provider is located at 6501 N CHARLES ST TOWSON, MD 21204 and the phone number is (410) 938-3000.
Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.
