SUMMIT INTERNAL MEDICINE LLC
NPI 1295874428
Specialist in Summit, NJ

NPI Status: Active since February 05, 2007

Contact Information

33 OVERLOOK RD
SUITE L06
SUMMIT, NJ
ZIP 07901
Phone: (908) 522-0050
Fax: (908) 522-6575

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  • Organization
  • Specialist
  • CLIA Number: 31D0901063
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 05-14-2027

About SUMMIT INTERNAL MEDICINE LLC

This page provides the complete NPI Profile along with additional information for Summit Internal Medicine Llc, a provider established in Summit, New Jersey operating as a Specialist. The healthcare provider is registered in the NPI registry with number 1295874428 assigned on February 2007. The practitioner's primary taxonomy code is 174400000X. The provider is registered as an organization and their NPI record was last updated 4 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Lisa H Toffey Md (Owner)

NPI
1295874428
Provider Name
SUMMIT INTERNAL MEDICINE LLC
Entity Type
Organization
Location Address
33 OVERLOOK RD SUITE L06 SUMMIT, NJ 07901
Location Phone
(908) 522-0050
Location Fax
(908) 522-6575
Mailing Address
33 OVERLOOK RD SUITE L06 SUMMIT, NJ 07901
Mailing Phone
(908) 522-0050
Mailing Fax
(908) 522-6575
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-05-2007
Last Update Date
07-21-2022
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License State
NJ
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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. LISA H TOFFEY MD

Authorized Official Title
OWNER
Authorized Official Phone
(908) 522-0050

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
31D0901063
Facility Type
Physician Office
Certificate Effective Date
May 15, 2025
Certificate Expiration Date
May 14, 2027
Laboratory Director
LISA G. TOFFEY MD
Certificate Type
Certificate for Provider-Performed Microscopy Procedures (PPMP)
Certificate Type Description
This CLIA certificate is issued to Summit Internal Medicine Llc in which a physician, midlevel practitioner or dentist that performs specific microscopy procedures during the course of a patient's visit. A limited list of provider-performed microscopy procedures is included under this certificate type, which are categorized as moderate complexity testing.

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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 1295874428, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
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 9 → 18 → 9 8 → 16 → 7 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 6 + 7 + 8 + 4 + 4 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1295874428.

Other Providers at the Same Location


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

Ophthalmology
33 OVERLOOK RD, STE 407
SUMMIT, NJ 07901
Pediatrics
33 OVERLOOK RD, SUITE 101
SUMMIT, NJ 07901
Internal Medicine
33 OVERLOOK RD, SUITE L06
SUMMIT, NJ 07901
Radiology (Radiation Oncology)
33 OVERLOOK RD, SUITE L-05
SUMMIT, NJ 07901
Internal Medicine
33 OVERLOOK RD, SUITE L06
SUMMIT, NJ 07901
Nurse Practitioner (Women's Health)
33 OVERLOOK RD, SUITE 310
SUMMIT, NJ 07901
Anesthesiology
33 OVERLOOK RD, STE 311
SUMMIT, NJ 07901
Anesthesiology
33 OVERLOOK RD, STE 311
SUMMIT, NJ 07901
Anesthesiology
33 OVERLOOK RD, STE 311
SUMMIT, NJ 07901
Anesthesiology
33 OVERLOOK RD, SUITE 311
SUMMIT, NJ 07901
Anesthesiology
33 OVERLOOK RD, STE 311
SUMMIT, NJ 07901
Anesthesiology
33 OVERLOOK RD, STE 311
SUMMIT, NJ 07901
Anesthesiology
33 OVERLOOK RD, STE 311
SUMMIT, NJ 07901
Anesthesiology
33 OVERLOOK RD, SUITE 311
SUMMIT, NJ 07901
Nurse Anesthetist, Certified Registered
33 OVERLOOK RD, SUITE 311
SUMMIT, NJ 07901
Radiology (Radiation Oncology)
33 OVERLOOK RD, SUITE L05
SUMMIT, NJ 07901
Orthopaedic Surgery
33 OVERLOOK RD, SUITE 201
SUMMIT, NJ 07901
Orthopaedic Surgery
33 OVERLOOK RD, SUITE 201
SUMMIT, NJ 07901
Anesthesiology
33 OVERLOOK RD, STE 311
SUMMIT, NJ 07901
Anesthesiology
33 OVERLOOK RD, STE. 311
SUMMIT, NJ 07901

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295874428, enumerated as an "organization" on February 05, 2007.

The provider is located at 33 OVERLOOK RD SUITE L06 SUMMIT, NJ 07901 and the phone number is (908) 522-0050.

Specialist with taxonomy code 174400000X.