GRANITE MEDICAL GROUP-LIBBEY
NPI 1902290901
Internal Medicine - Cardiovascular Disease in Weymouth, MA

NPI Status: Active since March 27, 2015

Contact Information

90 LIBBEY INDUSTRIAL PKWY
SUITE 201
WEYMOUTH, MA
ZIP 02189
Phone: (781) 682-0606

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  • Organization
  • Internal Medicine
  • Cardiovascular Disease
  • CLIA Number: 22D2016462
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 05-12-2026

About GRANITE MEDICAL GROUP-LIBBEY

This page provides the complete NPI Profile along with additional information for Granite Medical Group-libbey, an internist established in Weymouth, Massachusetts operating as a Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1902290901 assigned on March 2015. The practitioner's primary taxonomy code is 207RC0000X. The provider is registered as an organization and their NPI record was last updated 4 years ago. Granite Medical Group-libbey operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's is doing business as Granite Medical Group-libbey. The authorized official of this NPI record is Dr. Steve Strongwater (President)

NPI
1902290901
Provider Legal Name
ATRIUS HEALTH, INC.
Other Organization Name
GRANITE MEDICAL GROUP-LIBBEY
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
90 LIBBEY INDUSTRIAL PKWY SUITE 201 WEYMOUTH, MA 02189
Location Phone
(781) 682-0606
Mailing Address
275 GROVE ST SUITE 3-300 AUBURNDALE, MA 02466
Mailing Phone
(617) 559-8374
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-27-2015
Last Update Date
06-20-2022
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An internist like Granite Medical Group-libbey is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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

Internal Medicine Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License State
MA
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

(MA)
2207RG0100XAllopathic & Osteopathic Physicians

Internal Medicine
Gastroenterology

(MA)
3207RP1001XAllopathic & Osteopathic Physicians

Internal Medicine
Pulmonary Disease

(MA)
4207U00000XAllopathic & Osteopathic Physicians

Nuclear Medicine

(MA)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

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. STEVE STRONGWATER

Authorized Official Title
PRESIDENT
Authorized Official Phone
(617) 559-8042

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
22D2016462
Facility Type
Physician Office
Certificate Effective Date
May 13, 2024
Certificate Expiration Date
May 12, 2026
Laboratory Director
RALPH VALLIERE
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Granite Medical Group-libbey to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1902290901, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
9
Unchanged
Pos 7
0
Doubled → 0
Pos 8
9
Unchanged
Pos 9
0
Doubled → 0
Check
1
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 0 → 0 0 → 0

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 + 9 + 0 + 9 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1902290901.

Other Providers at the Same Location


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

Physical Therapist (Orthopedic)
90 LIBBEY INDUSTRIAL PKWY, STE 103
EAST WEYMOUTH, MA 02189
Specialist
90 LIBBEY INDUSTRIAL PKWY, SUITE 102
WEYMOUTH, MA 02189
Nurse Practitioner
90 LIBBEY INDUSTRIAL PKWY
WEYMOUTH, MA 02189
Family Medicine
90 LIBBEY INDUSTRIAL PKWY
WEYMOUTH, MA 02189
Physician Assistant
90 LIBBEY INDUSTRIAL PKWY
WEYMOUTH, MA 02189
Internal Medicine (Cardiovascular Disease)
90 LIBBEY INDUSTRIAL PKWY
WEYMOUTH, MA 02189
Internal Medicine (Cardiovascular Disease)
90 LIBBEY INDUSTRIAL PKWY
WEYMOUTH, MA 02189
Internal Medicine (Cardiovascular Disease)
90 LIBBEY INDUSTRIAL PKWY
WEYMOUTH, MA 02189
Family Medicine
90 LIBBEY INDUSTRIAL PKWY, STE 106
WEYMOUTH, MA 02189
Nurse Practitioner (Family)
90 LIBBEY INDUSTRIAL PKWY
WEYMOUTH, MA 02189
Family Medicine
90 LIBBEY INDUSTRIAL PKWY
WEYMOUTH, MA 02189

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1902290901, enumerated as an "organization" on March 27, 2015.

The provider is located at 90 LIBBEY INDUSTRIAL PKWY SUITE 201 WEYMOUTH, MA 02189 and the phone number is (781) 682-0606.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.