RACHEL LOCKWOOD
NPI 1417845918
Social Worker in Cambridge, MA

NPI Status: Active since June 25, 2025

Contact Information

1493 CAMBRIDGE ST
CAMBRIDGE, MA
ZIP 02139
Phone: (617) 665-1185

Get Directions Write a Review

  • Individual
  • Female
  • Social Worker

About RACHEL LOCKWOOD

This page provides the complete NPI Profile along with additional information for Rachel Lockwood, a provider established in Cambridge, Massachusetts with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1417845918 assigned on June 2025. The practitioner's primary taxonomy code is 104100000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1417845918
Provider Name
RACHEL LOCKWOOD
Gender
Female
Entity Type
Individual
Location Address
1493 CAMBRIDGE ST CAMBRIDGE, MA 02139
Location Phone
(617) 665-1185
Mailing Address
1493 CAMBRIDGE ST CAMBRIDGE, MA 02139
Is Sole Proprietor?
Yes
Enumeration Date
06-25-2025
Last Update Date
06-25-2025
Code Navigator

A social worker like Rachel Lockwood helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.

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

Social Worker

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

Reviews for RACHEL LOCKWOOD

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 1417845918, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
4
Unchanged
Pos 3
1
Doubled → 2
Pos 4
7
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
1
Doubled → 2
Check
8
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 8 → 16 → 7 5 → 10 → 1 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 2 + 7 + 1 + 6 + 4 + 1 + 0 + 9 + 2 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1417845918.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pharmacist (Psychiatric)
1493 CAMBRIDGE ST, CAMBRIDGE HEALTH ALLIANCE-MYSTIC CENTER
CAMBRIDGE, MA 02139
Radiology (Diagnostic Radiology)
1493 CAMBRIDGE ST, RADIOLOGY DEPARTMENT
CAMBRIDGE, MA 02139
Internal Medicine (Hematology & Oncology)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Anesthesiology
1493 CAMBRIDGE ST, CHA - ANESTHESIOLOGY
CAMBRIDGE, MA 02139
Anesthesiology
1493 CAMBRIDGE ST, CHA - ANESTHESIOLOGY
CAMBRIDGE, MA 02139
Pediatrics
1493 CAMBRIDGE ST, CAMBRIDGE HEALTH ALLIANCE
CAMBRIDGE, MA 02139
Anesthesiology
1493 CAMBRIDGE ST, ANESTHESIOLOGY
CAMBRIDGE, MA 02139
Pathology (Anatomic Pathology & Clinical Pathology)
1493 CAMBRIDGE ST, CHA -PATHOLOGY
CAMBRIDGE, MA 02139
Pathology (Anatomic Pathology & Clinical Pathology)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Physical Medicine & Rehabilitation
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Pediatrics
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Anesthesiology
1493 CAMBRIDGE ST, CAMBRIDGE HOSPITAL
CAMBRIDGE, MA 02139
Pathology (Anatomic Pathology & Clinical Pathology)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Psychiatry & Neurology (Psychiatry)
1493 CAMBRIDGE ST, STATION LANDING/CCAD
CAMBRIDGE, MA 02139
Psychiatry & Neurology (Neurology)
1493 CAMBRIDGE ST, CAMBRIDGE HOSPITAL
CAMBRIDGE, MA 02139
Emergency Medicine
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Psychiatry & Neurology (Psychiatry)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Psychiatry & Neurology (Psychiatry)
1493 CAMBRIDGE ST, DEPT OF PSYCHIATRY, CAMBRIDGE HEALTH ALLIANCE
CAMBRIDGE, MA 02139
Internal Medicine
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139
Internal Medicine (Cardiovascular Disease)
1493 CAMBRIDGE ST
CAMBRIDGE, MA 02139

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1417845918, enumerated as an "individual" on June 25, 2025.

The provider is located at 1493 CAMBRIDGE ST CAMBRIDGE, MA 02139 and the phone number is (617) 665-1185.

Social Worker with taxonomy code 104100000X.