ALEXANDER NICHOLAS MARKS
NPI 1144748914
Counselor in Saint Louis, MO
NPI Status: Active since August 31, 2017
Contact Information
2190 S MASON RD STE 311
SAINT LOUIS, MO
ZIP 63131
Phone: (636) 300-9333
- Individual
- Male
- Counselor
- Accepts Insurance
- PECOS Enrolled
About ALEXANDER MARKS
This page provides the complete NPI Profile along with additional information for Alexander Marks, a provider established in Saint Louis, Missouri with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1144748914 assigned on August 2017. The practitioner's primary taxonomy code is 101Y00000X. The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1144748914
- Provider Name
- ALEXANDER NICHOLAS MARKS
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2190 S MASON RD STE 311 SAINT LOUIS, MO 63131
- Location Phone
- (636) 300-9333
- Mailing Address
- 471 MISSION BAY DR WILDWOOD, MO 63040
- Mailing Phone
- (617) 717-4242
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 08-31-2017
- Last Update Date
- 11-06-2025
- 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
Counselor
- Taxonomy Code
- 101Y00000X
- Type
- Behavioral Health & Social Service Providers
- Taxonomy Description
- A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Anthem Bronze Access Blue New England HMO 6000/20%/8000 w/HSA - HMO
- Anthem Bronze Access Blue New England HMO 7000/50%/8000 w/HSA - HMO
- Anthem Bronze Access Blue New England HMO 7500/30%/10000 Value - HMO
- Anthem Bronze Access Blue New England HMO 8500/50%/9200 - HMO
- Anthem Gold Access Blue New England HMO 1000/20%/7500 - HMO
- Anthem Gold Access Blue New England HMO 2000/0%/6500 RxD - HMO
- Anthem Gold Access Blue New England HMO 2000/10%/4600 w/HSA - HMO
- Anthem Gold Access Blue New England HMO 2000/10%/7500 - HMO
- Anthem Gold Access Blue New England HMO 2000/20%/4600 w/HSA - HMO
- Anthem Gold Access Blue New England HMO 3000/0%/7500 RxD - HMO
- Anthem Gold Access Blue New England HMO 500/30%/9000 - HMO
- Anthem Platinum Access Blue New England HMO 250/10%/3500 - HMO
- Anthem Silver Access Blue New England HMO 2500/30%/10000 Value - HMO
- Anthem Silver Access Blue New England HMO 3000/30%/9000 Value - HMO
- Anthem Silver Access Blue New England HMO 3500/20%/10000 - HMO
- Anthem Silver Access Blue New England HMO 3500/20%/7250 w/HSA - HMO
- Anthem Silver Access Blue New England HMO 4000/0%/9000 - HMO
- Anthem Silver Access Blue New England HMO 4000/0%/9000 RxD - HMO
- Anthem Silver Access Blue New England HMO 4000/10%/7250 w/HSA - HMO
- Anthem Silver Access Blue New England HMO 4000/20%/8500 - HMO
- Balance by Medica Bronze $0 Copay PCP Visits - EPO
- Balance by Medica Bronze Premier - EPO
- Balance by Medica Expanded Bronze Standard - EPO
- Balance by Medica Gold $0 Copay PCP Visits - EPO
- Balance by Medica Gold Share - EPO
- Balance by Medica Gold Standard - EPO
- Balance by Medica Silver $0 Copay PCP Visits - EPO
- Balance by Medica Silver Share - EPO
- Balance by Medica Silver Standard - EPO
- Medica with MU Health Care Bronze $0 Copay PCP Visits - EPO
- Medica with MU Health Care Bronze Premier - EPO
- Medica with MU Health Care Expanded Bronze Standard - EPO
- Medica with MU Health Care Gold $0 Copay PCP Visits - EPO
- Medica with MU Health Care Gold Share - EPO
- Medica with MU Health Care Gold Standard - EPO
- Medica with MU Health Care Silver $0 Copay PCP Visits - EPO
- Medica with MU Health Care Silver Share - EPO
- Medica with MU Health Care Silver Standard - EPO
- Select by Medica Bronze $0 Copay PCP Visits - EPO
- Select by Medica Bronze Share - EPO
- Bronze Classic 4700 - EPO
- Bronze Classic Standard - EPO
- Bronze Elite + PCP Saver - EPO
- Bronze Elite + PCP Saver Plus - EPO
- Bronze Simple Diabetes - EPO
- Gold Classic Standard - EPO
- Gold Simple - EPO
- Silver Classic Standard - EPO
- Silver Elite Saver Plus - EPO
- Silver Simple Diabetes - EPO
- Silver Simple PCP Saver - EPO
- Silver Simple Women's Health with Menopause Benefits - EPO
- Connect 1500 Gold - EPO
- Connect 6000 Silver - EPO
- Connect 9800 Bronze - EPO
- HSA Qualified 7500 Bronze - Choice Network - EPO
- HSA-E Qualified 7500 Bronze - Signature Network - EPO
- Providence Oregon Standard Bronze Plan - Choice Network - EPO
- Providence Oregon Standard Bronze Plan - Signature Network - EPO
- Providence Oregon Standard Gold Plan - Choice Network - EPO
- Providence Oregon Standard Gold Plan - Signature Network - EPO
- Providence Oregon Standard Silver Plan - Choice Network - EPO
- Providence Oregon Standard Silver Plan - Signature Network - EPO
- UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) - EPO
- UHC Bronze Essential (No Referrals) - EPO
- UHC Bronze Standard (No Referrals) - EPO
- UHC Bronze Standard+ (Dental + Vision, No Referrals) - EPO
- UHC Gold Advantage ($0 Virtual Urgent Care, No Referrals) - EPO
- UHC Gold Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) - EPO
- UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, No Referrals) - EPO
- UHC Gold Standard (No Referrals) - EPO
- UHC Silver Advantage ($0 Virtual Urgent Care, No Referrals) - EPO
- UHC Silver Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) - EPO
- UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) - EPO
- UHC Silver Standard (No Referrals) - EPO
- UHC Silver Standard+ (Dental + Vision, No Referrals) - EPO
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Medicare Participation & PECOS Enrollment Status
Alexander Marks 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 and Durable Medical Equipment (DME).
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
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): No
Eligible to Order or Refer Power Mobility Devices: No
Reviews for ALEXANDER NICHOLAS MARKS
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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 1144748914, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).
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 66 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1144748914, enumerated as an "individual" on August 31, 2017.
The provider is located at 2190 S MASON RD STE 311 SAINT LOUIS, MO 63131 and the phone number is (636) 300-9333.
Counselor with taxonomy code 101Y00000X.
The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield, Medica, Oscar. Please consult your insurance carrier or call the provider to verify.
