MARYELLEN O'BRIEN LMHC
NPI 1902284458
Counselor - Mental Health in Worcester, MA

NPI Status: Active since May 15, 2015

Contact Information

630 PLANTATION ST
WORCESTER, MA
ZIP 01605
Phone: (508) 853-2854
Fax: (508) 853-4354

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  • Individual
  • Female
  • Counselor
  • Mental Health

About MARYELLEN O'BRIEN

This page provides the complete NPI Profile along with additional information for Maryellen O'brien, a provider established in Worcester, Massachusetts with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1902284458 assigned on May 2015. The practitioner's primary taxonomy code is 101YM0800X with license number 1196 (MA). The provider is registered as an individual and her NPI record was last updated 11 years ago.

NPI
1902284458
Provider Name
MARYELLEN O'BRIEN LMHC
Other Name
MARYELLEN GARVEY
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
630 PLANTATION ST WORCESTER, MA 01605
Location Phone
(508) 853-2854
Location Fax
(508) 853-4354
Mailing Address
630 PLANTATION ST WOT 2ND FL, SUITE C203 WORCESTER, MA 01605
Mailing Phone
(508) 368-5532
Mailing Fax
(508) 853-4354
Is Sole Proprietor?
No
Enumeration Date
05-15-2015
Last Update Date
05-19-2015
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A mental health counselor like Maryellen O'brien 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.
1196
License State
MA

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1101YA0400XBehavioral Health & Social Service Providers

Counselor
Addiction (Substance Use Disorder)

611 (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 1902284458, 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
9
Unchanged
Pos 3
0
Doubled → 0
Pos 4
2
Unchanged
Pos 5
2
Doubled → 4
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
4
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 0 → 0 2 → 4 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 + 9 + 0 + 2 + 4 + 8 + 8 + 4 + 1 + 0 + 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 1902284458.

Other Providers at the Same Location


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

Nurse Practitioner (Adult Health)
630 PLANTATION ST
WORCESTER, MA 01605
Internal Medicine (Geriatric Medicine)
630 PLANTATION ST
WORCESTER, MA 01605
Internal Medicine
630 PLANTATION ST
WORCESTER, MA 01605
Nurse Practitioner
630 PLANTATION ST
WORCESTER, MA 01605
Nurse Practitioner
630 PLANTATION ST
WORCESTER, MA 01605
Pediatrics
630 PLANTATION ST
WORCESTER, MA 01605
Social Worker
630 PLANTATION ST
WORCESTER, MA 01605
Nurse Practitioner
630 PLANTATION ST
WORCESTER, MA 01605
Nurse Practitioner
630 PLANTATION ST
WORCESTOR, MA 01605
Physician Assistant
630 PLANTATION ST
WORCESTER, MA 01605
Nurse Practitioner
630 PLANTATION ST
WORCESTER, MA 01605
Internal Medicine
630 PLANTATION ST
WORCESTER, MA 01605
Internal Medicine (Geriatric Medicine)
630 PLANTATION ST
WORCESTER, MA 01605
Internal Medicine
630 PLANTATION ST
WORCESTER, MA 01605
Nurse Practitioner
630 PLANTATION ST
WORCESTER, MA 01605
Pediatrics
630 PLANTATION ST
WORCESTER, MA 01605
Internal Medicine
630 PLANTATION ST, WOT 12TH FL
WORCESTER, MA 01605
Internal Medicine
630 PLANTATION ST
WORCESTER, MA 01605
Internal Medicine
630 PLANTATION ST
WORCESTER, MA 01605
Preventive Medicine (Occupational Medicine)
630 PLANTATION ST
WORCESTER, MA 01605

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1902284458, enumerated as an "individual" on May 15, 2015.

The provider is located at 630 PLANTATION ST WORCESTER, MA 01605 and the phone number is (508) 853-2854.

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