MR. DOUGLAS E LILLIFIELD PA-C
NPI 1225263353
Physician Assistant - Medical in Knoxville, TN

NPI Status: Active since May 19, 2009

Contact Information

431 PARK VILLAGE DR STE 103
KNOXVILLE, TN
ZIP 37923
Phone: (865) 247-5590
Fax: (865) 312-9150

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  • Individual
  • Male
  • Physician Assistant
  • Medical

About DOUGLAS LILLIFIELD

This page provides the complete NPI Profile along with additional information for Douglas Lillifield, a primary care provider established in Knoxville, Tennessee with a medical specialization in Physician Assistant, focusing in medical . The healthcare provider is registered in the NPI registry with number 1225263353 assigned on May 2009. The practitioner's primary taxonomy code is 363AM0700X with license number 174 (TN). The provider is registered as an individual and his NPI record was last updated 9 years ago.

NPI
1225263353
Provider Name
MR. DOUGLAS E LILLIFIELD PA-C
Gender
Male
Entity Type
Individual
Location Address
431 PARK VILLAGE DR STE 103 KNOXVILLE, TN 37923
Location Phone
(865) 247-5590
Location Fax
(865) 312-9150
Mailing Address
431 PARK VILLAGE DR SUITE 103 KNOXVILLE, TN 37923
Mailing Phone
(865) 247-5590
Mailing Fax
(865) 312-9150
Is Sole Proprietor?
No
Enumeration Date
05-19-2009
Last Update Date
11-16-2017
Code Navigator

A primary care provider (PCP) like Douglas Lillifield sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Physician Assistant Medical

Taxonomy Code
363AM0700X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
174
License State
TN

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)
1363AM0700XPhysician Assistants & Advanced Practice Nursing Providers

Physician Assistant
Medical

4594 (GA)

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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 1225263353, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
6
Unchanged
Pos 7
3
Doubled → 6
Pos 8
3
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
3
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 2 → 4 2 → 4 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 4 + 6 + 6 + 3 + 1 + 0 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1225263353.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225263353, enumerated as an "individual" on May 19, 2009.

The provider is located at 431 PARK VILLAGE DR STE 103 KNOXVILLE, TN 37923 and the phone number is (865) 247-5590.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.