JEFFREY NICHOLS GROSS
NPI 1134681166
Surgery - Plastic and Reconstructive Surgery in Louisville, KY

NPI Status: Active since March 31, 2019

Contact Information

4111 OECHSLI AVE
LOUISVILLE, KY
ZIP 40207
Phone: (502) 576-6918

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NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Male
  • Surgery
  • Plastic and Reconstructive Surgery
  • PECOS Enrolled

About JEFFREY GROSS

This page provides the complete NPI Profile along with additional information for Jeffrey Gross, a provider established in Louisville, Kentucky with a medical specialization in Surgery, focusing in plastic and reconstructive surgery . The healthcare provider is registered in the NPI registry with number 1134681166 assigned on March 2019. The practitioner's primary taxonomy code is 2086S0122X with license number 61809 (KY). The provider is registered as an individual and his NPI record was last updated July 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.

NPI
1134681166
Provider Name
JEFFREY NICHOLS GROSS
Gender
Male
Entity Type
Individual
Location Address
4111 OECHSLI AVE LOUISVILLE, KY 40207
Location Phone
(502) 576-6918
Mailing Address
4111 OECHSLI AVE LOUISVILLE, KY 40207
Mailing Phone
(502) 576-6918
Is Sole Proprietor?
Yes
Enumeration Date
03-31-2019
Last Update Date
07-01-2026
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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

Surgery Plastic and Reconstructive Surgery

Taxonomy Code
2086S0122X
Type
Allopathic & Osteopathic Physicians
License No.
61809
License State
KY
Taxonomy Description
A surgeon who specializes in plastic and reconstructive surgery.

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.

Medicare Participation & PECOS Enrollment Status

Jeffrey Gross is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

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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 1134681166, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
1
Unchanged
Pos 3
3
Doubled → 6
Pos 4
4
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
6
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 3 → 6 6 → 12 → 3 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 6 + 4 + 1 + 2 + 8 + 2 + 1 + 1 + 2 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1134681166.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1134681166, enumerated as an "individual" on March 31, 2019.

The provider is located at 4111 OECHSLI AVE LOUISVILLE, KY 40207 and the phone number is (502) 576-6918.

Surgery with taxonomy code 2086S0122X and a focus in Plastic and Reconstructive Surgery.