CONCENTRA MEDICAL CENTER
NPI 1134258312
Clinic/Center - Health Service in East Boston, MA
NPI Status: Active since March 05, 2007
Contact Information
ONE HARBORSIDE DR.
EAST BOSTON, MA
ZIP 02128
Phone: (617) 568-6500
Fax: (617) 568-6573
NPPES record last updated: December 19, 2023. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Organization
- Clinic/Center
- Health Service
About CONCENTRA MEDICAL CENTER
This page provides the complete NPI Profile along with additional information for Concentra Medical Center, a provider established in East Boston, Massachusetts operating as a Clinic/center, focusing in health service . The healthcare provider is registered in the NPI registry with number 1134258312 assigned on March 2007. The practitioner's primary taxonomy code is 261QH0100X. The provider is registered as an organization and their NPI record was last updated 3 years ago. The provider's is doing business as Concentra Medical Center. The authorized official of this NPI record is Robert G Hassett (Vp)
- NPI
- 1134258312
- Provider Legal Name
- OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A.
- Other Organization Name
- CONCENTRA MEDICAL CENTER
- Other Name Type
- Doing Business As (3)
- Entity Type
- Organization
- Location Address
- ONE HARBORSIDE DR. EAST BOSTON, MA 02128
- Location Phone
- (617) 568-6500
- Location Fax
- (617) 568-6573
- Mailing Address
- 5080 SPECTRUM DRIVE SUITE 1200 WEST TOWER ADDISON, TX 75001
- Mailing Phone
- (800) 232-3550
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 03-05-2007
- Last Update Date
- 12-19-2023
- Code Navigator
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
Clinic/Center Health Service
- Taxonomy Code
- 261QH0100X
- Type
- Ambulatory Health Care Facilities
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) |
|---|---|---|---|---|
| 1 | 261QP2000X | Ambulatory Health Care Facilities | Clinic/Center | |
| 2 | 261QX0100X | Ambulatory Health Care Facilities | Clinic/Center |
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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 1134258312, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 58 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1134258312, enumerated as an "organization" on March 05, 2007.
The provider is located at ONE HARBORSIDE DR. EAST BOSTON, MA 02128 and the phone number is (617) 568-6500.
Clinic/Center with taxonomy code 261QH0100X and a focus in Health Service.
