DR. RUSSELL HOWARD MARKS M.D.
NPI 1144478751
Psychiatry & Neurology - Forensic Psychiatry in San Luis Obispo, CA
NPI Status: Active since September 08, 2008
Contact Information
851 MURRAY AVE
SAN LUIS OBISPO, CA
ZIP 93405
Phone: (805) 541-9327
- Individual
- Male
- Psychiatry & Neurology
- Forensic Psychiatry
About RUSSELL MARKS
This page provides the complete NPI Profile along with additional information for Russell Marks, a provider established in San Luis Obispo, California with a medical specialization in Psychiatry & Neurology, focusing in forensic psychiatry . The healthcare provider is registered in the NPI registry with number 1144478751 assigned on September 2008. The practitioner's primary taxonomy code is 2084F0202X with license number G39655 (CA). The provider is registered as an individual and his NPI record was last updated 17 years ago.
- NPI
- 1144478751
- Provider Name
- DR. RUSSELL HOWARD MARKS M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 851 MURRAY AVE SAN LUIS OBISPO, CA 93405
- Location Phone
- (805) 541-9327
- Mailing Address
- 851 MURRAY AVE SAN LUIS OBISPO, CA 93405
- Mailing Phone
- (805) 541-9327
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-08-2008
- Last Update Date
- 09-08-2008
- Code Navigator
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 Forensic Psychiatry
- Taxonomy Code
- 2084F0202X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G39655
- License State
- CA
- Taxonomy Description
- Forensic Psychiatry is a subspecialty with psychiatric focus on interrelationships with civil, criminal and administrative law, evaluation and specialized treatment of individuals involved with the legal system, incarcerated in jails, prisons, and forensic psychiatry hospitals.
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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 1 | 4 | 4 | 4 | 7 | 8 | 7 | 5 | 1 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 1 | 8 | 4 | 8 | 7 | 16 | 7 | 10 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 1 + 8 + 4 + 8 + 7 + 1 + 6 + 7 + 1 + 0 + 24 = 69 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 69 = 1 | 1 | ||||||||
The NPI number 1144478751 is valid because the calculated check digit 1 using the Luhn validation algorithm matches the last digit of the original NPI number.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1144478751, enumerated in the NPI registry as an "individual" on September 08, 2008
The provider is located at 851 Murray Ave San Luis Obispo, Ca 93405 and the phone number is (805) 541-9327
The provider's speciality is Psychiatry & Neurology with taxonomy code 2084F0202X with a focus in Forensic Psychiatry
This NPI record was last updated on September 08, 2008. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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