ASHLEY L LIEFER-TENNANT MD
NPI 1316866296
Surgery in Omaha, NE

NPI Status: Active since July 14, 2026

Contact Information

7500 MERCY RD
OMAHA, NE
ZIP 68124
Phone: (402) 398-6060

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NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Surgery

About ASHLEY LIEFER-TENNANT

This page provides the complete NPI Profile along with additional information for Ashley Liefer-tennant, a provider established in Omaha, Nebraska with a medical specialization in Surgery. The healthcare provider is registered in the NPI registry with number 1316866296 assigned on July 2026. The practitioner's primary taxonomy code is 208600000X with license number 10644 (NE). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1316866296
Provider Name
ASHLEY L LIEFER-TENNANT MD
Gender
Female
Entity Type
Individual
Location Address
7500 MERCY RD OMAHA, NE 68124
Location Phone
(402) 398-6060
Mailing Address
7710 MERCY RD STE 202 OMAHA, NE 68124
Mailing Phone
(402) 280-4669
Is Sole Proprietor?
No
Enumeration Date
07-14-2026
Last Update Date
07-14-2026
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A surgeon like Ashley Liefer-tennant treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

Location Map

Secondary Locations

  • 16901 Lakeside Hills Ct
    Omaha, NE 68130
    (402) 717-8000
  • 6901 N 72nd St
    Omaha, NE 68122
    (402) 572-2121
  • 4101 Woolworth Ave
    Omaha, NE 68105
    (402) 346-8800

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

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
License No.
10644
License State
NE
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

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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 1316866296, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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
3
Unchanged
Pos 3
1
Doubled → 2
Pos 4
6
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
2
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 1 → 2 8 → 16 → 7 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 2 + 6 + 1 + 6 + 6 + 1 + 2 + 2 + 1 + 8 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1316866296.

Other Providers at the Same Location


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

Internal Medicine (Cardiovascular Disease)
7500 MERCY RD
OMAHA, NE 68124
Internal Medicine (Interventional Cardiology)
7500 MERCY RD
OMAHA, NE 68124
Radiology (Diagnostic Radiology)
7500 MERCY RD
OMAHA, NE 68124
Anesthesiology (Pain Medicine)
7500 MERCY RD
OMAHA, NE 68124
Emergency Medicine
7500 MERCY RD, ALEGENT HEALTH BERGAN MERCY EMERGENCY DEPT
OMAHA, NE 68124
Nurse Practitioner
7500 MERCY RD
OMAHA, NE 68124
Nurse Anesthetist, Certified Registered
7500 MERCY RD
OMAHA, NE 68124
Nurse Anesthetist, Certified Registered
7500 MERCY RD
OMAHA, NE 68124
Anesthesiology
7500 MERCY RD
OMAHA, NE 68124
Nurse Anesthetist, Certified Registered
7500 MERCY RD
OMAHA, NE 68124
Nurse Anesthetist, Certified Registered
7500 MERCY RD
OMAHA, NE 68124
Nurse Anesthetist, Certified Registered
7500 MERCY RD
OMAHA, NE 68124
Nurse Anesthetist, Certified Registered
7500 MERCY RD
OMAHA, NE 68124
Nurse Anesthetist, Certified Registered
7500 MERCY RD
OMAHA, NE 68124
Anesthesiology
7500 MERCY RD
OMAHA, NE 68124
Anesthesiology
7500 MERCY RD
OMAHA, NE 68124
Anesthesiology
7500 MERCY RD
OMAHA, NE 68124
Anesthesiology
7500 MERCY RD
OMAHA, NE 68124
Anesthesiology
7500 MERCY RD
OMAHA, NE 68124
Nurse Anesthetist, Certified Registered
7500 MERCY RD
OMAHA, NE 68124

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1316866296, enumerated as an "individual" on July 14, 2026.

The provider is located at 7500 MERCY RD OMAHA, NE 68124 and the phone number is (402) 398-6060.

Surgery with taxonomy code 208600000X.