SANDRA D MACK LCPC
NPI 1609252709
Counselor - Professional in Baltimore, MD

NPI Status: Active since July 31, 2015

Contact Information

2225 N CHARLES ST
BALTIMORE, MD
ZIP 21218
Phone: (410) 366-4360

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  • Individual
  • Female
  • Counselor
  • Professional

About SANDRA MACK

This page provides the complete NPI Profile along with additional information for Sandra Mack, a provider established in Baltimore, Maryland with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1609252709 assigned on July 2015. The practitioner's primary taxonomy code is 101YP2500X with license number LC4126 (MD). The provider is registered as an individual and her NPI record was last updated 11 years ago.

NPI
1609252709
Provider Name
SANDRA D MACK LCPC
Gender
Female
Entity Type
Individual
Location Address
2225 N CHARLES ST BALTIMORE, MD 21218
Location Phone
(410) 366-4360
Mailing Address
1925 GREENSPRING DR TIMONIUM, MD 21093
Mailing Phone
(410) 453-9553
Is Sole Proprietor?
No
Enumeration Date
07-31-2015
Last Update Date
07-31-2015
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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 No.
LC4126
License State
MD

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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 1609252709, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 0 + 9 + 4 + 5 + 4 + 7 + 0 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1609252709.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Social Worker (Clinical)
2225 N CHARLES ST
BALTIMORE, MD 21218
Social Worker (Clinical)
2225 N CHARLES ST
BALTIMORE, MD 21218
Psychiatry & Neurology (Psychiatry)
2225 N CHARLES ST
BALTIMORE, MD 21218
Counselor (Mental Health)
2225 N CHARLES ST
BALTIMORE, MD 21218
Psychiatry & Neurology (Psychiatry)
2225 N CHARLES ST
BALTIMORE, MD 21218
Counselor (Professional)
2225 N CHARLES ST
BALTIMORE, MD 21218
Social Worker (Clinical)
2225 N CHARLES ST
BALTIMORE, MD 21218
Counselor (Mental Health)
2225 N CHARLES ST
BALTIMORE, MD 21218
Counselor (Mental Health)
2225 N CHARLES ST
BALTIMORE, MD 21218
Counselor (Mental Health)
2225 N CHARLES ST
BALTIMORE, MD 21218
Counselor (Mental Health)
2225 N CHARLES ST
BALTIMORE, MD 21218
Counselor (Addiction (Substance Use Disorder))
2225 N CHARLES ST
BALTIMORE, MD 21218
Counselor (Addiction (Substance Use Disorder))
2225 N CHARLES ST
BALTIMORE, MD 21218
Registered Nurse
2225 N CHARLES ST
BALTIMORE, MD 21218
Social Worker
2225 N CHARLES ST
BALTIMORE, MD 21218
Registered Nurse
2225 N CHARLES ST
BALTIMORE, MD 21218
Counselor (Professional)
2225 N CHARLES ST
BALTIMORE, MD 21218
Community/Behavioral Health
2225 N CHARLES ST
BALTIMORE, MD 21218
Community/Behavioral Health
2225 N CHARLES ST
BALTIMORE, MD 21218

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609252709, enumerated as an "individual" on July 31, 2015.

The provider is located at 2225 N CHARLES ST BALTIMORE, MD 21218 and the phone number is (410) 366-4360.

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