MARCUS MASON LCPC, EDD, MA, BS
NPI 1225663016
Counselor - Professional in Lanham, MD

NPI Status: Active since March 11, 2020

Contact Information

9103 WOODMORE CENTER DR # 113
LANHAM, MD
ZIP 20706
Phone: (301) 848-1585

Get Directions Write a Review

  • Individual
  • Male
  • Counselor
  • Professional

About MARCUS MASON

This page provides the complete NPI Profile along with additional information for Marcus Mason, a provider established in Lanham, Maryland with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1225663016 assigned on March 2020. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an individual and his NPI record was last updated April 2026.

NPI
1225663016
Provider Name
MARCUS MASON LCPC, EDD, MA, BS
Gender
Male
Entity Type
Individual
Location Address
9103 WOODMORE CENTER DR # 113 LANHAM, MD 20706
Location Phone
(301) 848-1585
Mailing Address
9103 WOODMORE CENTER DR # 113 LANHAM, MD 20706
Mailing Phone
(301) 848-1585
Is Sole Proprietor?
No
Enumeration Date
03-11-2020
Last Update Date
04-12-2026
Code Navigator

Location Map

Secondary Locations

  • 8401 Corporate Dr Ste 440
    Landover, MD 20785
    (443) 696-8947

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 Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License State
MD

Reviews for MARCUS MASON LCPC, EDD, MA, BS

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1225663016, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
3
Doubled → 6
Pos 8
0
Unchanged
Pos 9
1
Doubled → 2
Check
6
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 2 → 4 6 → 12 → 3 3 → 6 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 1 + 2 + 6 + 6 + 0 + 2 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1225663016.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Counselor (Mental Health)
9103 WOODMORE CENTER DR # 113
LANHAM, MD 20706

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225663016, enumerated as an "individual" on March 11, 2020.

The provider is located at 9103 WOODMORE CENTER DR # 113 LANHAM, MD 20706 and the phone number is (301) 848-1585.

Counselor with taxonomy code 101YP2500X and a focus in Professional.