WILLIAM HARLAN MED, LMHC
NPI 1619183803
Counselor - Mental Health in Winchester, MA

NPI Status: Active since May 15, 2007

Contact Information

10 CONVERSE PL
THIRD FLOOR
WINCHESTER, MA
ZIP 01890
Phone: (617) 237-0473
Fax: (617) 250-8880

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  • Individual
  • Male
  • Counselor
  • Mental Health

About WILLIAM HARLAN

This page provides the complete NPI Profile along with additional information for William Harlan, a provider established in Winchester, Massachusetts with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1619183803 assigned on May 2007. The practitioner's primary taxonomy code is 101YM0800X with license number 7065 (MA). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1619183803
Provider Name
WILLIAM HARLAN MED, LMHC
Gender
Male
Entity Type
Individual
Location Address
10 CONVERSE PL THIRD FLOOR WINCHESTER, MA 01890
Location Phone
(617) 237-0473
Location Fax
(617) 250-8880
Mailing Address
20 HANCOCK ST MEDFORD, MA 02155
Mailing Phone
(617) 237-0473
Mailing Fax
(617) 250-8880
Is Sole Proprietor?
Yes
Enumeration Date
05-15-2007
Last Update Date
05-25-2013
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A mental health counselor like William Harlan provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
7065
License State
MA

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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 1619183803, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 2 + 8 + 6 + 8 + 0 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1619183803.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Acupuncturist
10 CONVERSE PL, WINCHESTER NATURAL HEALTH ASSOCIATES
WINCHESTER, MA 01890
Dentist (General Practice)
10 CONVERSE PL
WINCHESTER, MA 01890
Anesthesiology (Pain Medicine)
10 CONVERSE PL, 4TH FLOOR
WINCHESTER, MA 01890
Chiropractor
10 CONVERSE PL, 3 FLOOR
WINCHESTER, MA 01890
Anesthesiology (Pain Medicine)
10 CONVERSE PL, 4TH FLOOR
WINCHESTER, MA 01890
Chiropractor
10 CONVERSE PL, 3RD FLOOR
WINCHESTER, MA 01890
Chiropractor
10 CONVERSE PL, 3RD FLOOR
WINCHESTER, MA 01890
Anesthesiology (Critical Care Medicine)
10 CONVERSE PL, SUITE 4
WINCHESTER, MA 01890
Dietitian, Registered
10 CONVERSE PL
WINCHESTER, MA 01890
Dentist (General Practice)
10 CONVERSE PL
WINCHESTER, MA 01890
Acupuncturist
10 CONVERSE PL
WINCHESTER, MA 01890

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619183803, enumerated as an "individual" on May 15, 2007.

The provider is located at 10 CONVERSE PL THIRD FLOOR WINCHESTER, MA 01890 and the phone number is (617) 237-0473.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.