GROSSMAN SPINE, LLC
NPI 1508795600
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Westwood, NJ

NPI Status: Active since May 15, 2026

Contact Information

333 OLD HOOK RD STE 101
WESTWOOD, NJ
ZIP 07675
Phone: (201) 246-6208
Fax: (201) 846-9441

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  • Organization
  • Orthopaedic Surgery
  • Orthopaedic Surgery of the Spine

About GROSSMAN SPINE, LLC

This page provides the complete NPI Profile along with additional information for Grossman Spine, Llc, a provider established in Westwood, New Jersey operating as a Orthopaedic Surgery, focusing in orthopaedic surgery of the spine . The healthcare provider is registered in the NPI registry with number 1508795600 assigned on May 2026. The practitioner's primary taxonomy code is 207XS0117X. The provider is registered as an organization and their NPI record was last updated May 2026. 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. Seth Aaron Grossman Md (Md/practice Owner)

NPI
1508795600
Provider Name
GROSSMAN SPINE, LLC
Entity Type
Organization
Location Address
333 OLD HOOK RD STE 101 WESTWOOD, NJ 07675
Location Phone
(201) 246-6208
Location Fax
(201) 846-9441
Mailing Address
139 TERRACE ST HAWORTH, NJ 07641
Mailing Phone
(201) 572-1005
Mailing Fax
(201) 846-9441
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-15-2026
Last Update Date
05-15-2026
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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

Orthopaedic Surgery Orthopaedic Surgery of the Spine

Taxonomy Code
207XS0117X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.

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. SETH AARON GROSSMAN MD

Authorized Official Title
MD/PRACTICE OWNER
Authorized Official Phone
(201) 246-6208

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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 1508795600, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
6
Unchanged
Pos 9
0
Doubled → 0
Check
0
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 7 → 14 → 5 5 → 10 → 1 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 4 + 9 + 1 + 0 + 6 + 0 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1508795600.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508795600, enumerated as an "organization" on May 15, 2026.

The provider is located at 333 OLD HOOK RD STE 101 WESTWOOD, NJ 07675 and the phone number is (201) 246-6208.

Orthopaedic Surgery with taxonomy code 207XS0117X and a focus in Orthopaedic Surgery of the Spine.