MARK HIRSCHFELD LCSW-C, BCD
NPI 1689759110
Social Worker - Clinical in Wheaton, MD

NPI Status: Active since October 25, 2006

Contact Information

11102 VEIRS MILL ROAD
SUITE # 707
WHEATON, MD
ZIP 20902
Phone: (301) 933-6182
Fax: (301) 681-0331

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  • Individual
  • Male
  • Social Worker
  • Clinical

About MARK HIRSCHFELD

This page provides the complete NPI Profile along with additional information for Mark Hirschfeld, a provider established in Wheaton, Maryland with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1689759110 assigned on October 2006. The practitioner's primary taxonomy code is 1041C0700X with license number 02603 (MD). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1689759110
Provider Name
MARK HIRSCHFELD LCSW-C, BCD
Gender
Male
Entity Type
Individual
Location Address
11102 VEIRS MILL ROAD SUITE # 707 WHEATON, MD 20902
Location Phone
(301) 933-6182
Location Fax
(301) 681-0331
Mailing Address
305 PRELUDE DR SILVER SPRING, MD 20901
Mailing Phone
(301) 933-6182
Mailing Fax
(301) 681-0331
Is Sole Proprietor?
Yes
Enumeration Date
10-25-2006
Last Update Date
07-08-2007
Code Navigator

A clinical social worker like Mark Hirschfeld is licensed to diagnose and treat mental, behavioral, and emotional disorders. A clinical social worker helps patients develop strategies to change behavior or cope with difficult situations and refer patients to other resources or services, such as support groups or other mental health professionals.

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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

Social Worker Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
License No.
02603
License State
MD
Taxonomy Description
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

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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 1689759110, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
1
Doubled → 2
Check
0
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 8 → 16 → 7 7 → 14 → 5 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 4 + 5 + 1 + 8 + 1 + 2 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1689759110.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689759110, enumerated as an "individual" on October 25, 2006.

The provider is located at 11102 VEIRS MILL ROAD SUITE # 707 WHEATON, MD 20902 and the phone number is (301) 933-6182.

Social Worker with taxonomy code 1041C0700X and a focus in Clinical.