HELEN M. FARRELL, M.D., LLC
NPI 1851774053
Clinic/Center - Adult Mental Health in Boston, MA

NPI Status: Active since July 07, 2015

Contact Information

29 COMMONWEALTH AVE
SUITE 906
BOSTON, MA
ZIP 02116
Phone: (617) 784-3307
Fax: (617) 936-3037

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  • Organization
  • Clinic/Center
  • Adult Mental Health

About HELEN M. FARRELL, M.D., LLC

This page provides the complete NPI Profile along with additional information for Helen M. Farrell, M.d., Llc, a provider established in Boston, Massachusetts operating as a Clinic/center, focusing in adult mental health . The healthcare provider is registered in the NPI registry with number 1851774053 assigned on July 2015. The practitioner's primary taxonomy code is 261QM0850X with license number 246618 (MA). The provider is registered as an organization and their NPI record was last updated 11 years ago. The authorized official of this NPI record is Dr. Helen M Farrell M.d. (Manager)

NPI
1851774053
Provider Name
HELEN M. FARRELL, M.D., LLC
Entity Type
Organization
Location Address
29 COMMONWEALTH AVE SUITE 906 BOSTON, MA 02116
Location Phone
(617) 784-3307
Location Fax
(617) 936-3037
Mailing Address
173 COMMONWEALTH AVE #5R BOSTON, MA 02116
Mailing Phone
(617) 784-3307
Mailing Fax
(617) 936-3037
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-07-2015
Last Update Date
07-07-2015
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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

Clinic/Center Adult Mental Health

Taxonomy Code
261QM0850X
Type
Ambulatory Health Care Facilities
License No.
246618
License State
MA
Taxonomy Description
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. HELEN M FARRELL M.D.

Authorized Official Title
MANAGER
Authorized Official Phone
(617) 784-3307

Reviews for HELEN M. FARRELL, M.D., LLC

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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 1851774053, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
5
Doubled → 10 → 1 + 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 5 → 10 → 1 7 → 14 → 5 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 1 + 4 + 7 + 8 + 0 + 1 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1851774053.

Other Providers at the Same Location


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

Dentist (General Practice)
29 COMMONWEALTH AVE, #305
BOSTON, MA 02116
Dentist
29 COMMONWEALTH AVE, SUITE 310
BOSTON, MA 02116
Specialist
29 COMMONWEALTH AVE, SUITE #101
BOSTON, MA 02116
Social Worker (Clinical)
29 COMMONWEALTH AVE, SUITE 906
BOSTON, MA 02116
Clinic/Center (Mental Health (Including Community Mental Health Center))
29 COMMONWEALTH AVE, SUITE 906
BOSTON, MA 02116
Psychologist (Clinical)
29 COMMONWEALTH AVE, 909
BOSTON, MA 02116
Psychologist (Clinical)
29 COMMONWEALTH AVE
BOSTON, MA 02116
Psychiatry & Neurology (Psychiatry)
29 COMMONWEALTH AVE, SUITE 906
BOSTON, MA 02116
Counselor (Mental Health)
29 COMMONWEALTH AVE
BOSTON, MA 02116
Social Worker (Clinical)
29 COMMONWEALTH AVE
BOSTON, MA 02116
Social Worker (Clinical)
29 COMMONWEALTH AVE
BOSTON, MA 02116

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851774053, enumerated as an "organization" on July 07, 2015.

The provider is located at 29 COMMONWEALTH AVE SUITE 906 BOSTON, MA 02116 and the phone number is (617) 784-3307.

Clinic/Center with taxonomy code 261QM0850X and a focus in Adult Mental Health.