TIARA ALIVIA JOHNSON PA-C
NPI 1154217909
Physician Assistant - Medical in Cordova, TN

NPI Status: Active since June 17, 2025

Contact Information

1645 N GERMANTOWN PKWY
CORDOVA, TN
ZIP 38016
Phone: (901) 825-5360
Fax: (901) 825-5361

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  • Individual
  • Female
  • Years of Experience 1
  • Physician Assistant
  • Medical
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About TIARA JOHNSON

This page provides the complete NPI Profile along with additional information for Tiara Johnson, a primary care provider established in Cordova, Tennessee with a medical specialization in Physician Assistant, focusing in medical and more than one year of experience. The healthcare provider is registered in the NPI registry with number 1154217909 assigned on June 2025. The practitioner's primary taxonomy code is 363AM0700X with license number 6859 (TN). The provider is registered as an individual and her NPI record was last updated January 2026.

NPI
1154217909
Provider Name
TIARA ALIVIA JOHNSON PA-C
Gender
Female
Entity Type
Individual
Location Address
1645 N GERMANTOWN PKWY CORDOVA, TN 38016
Location Phone
(901) 825-5360
Location Fax
(901) 825-5361
Mailing Address
1645 N GERMANTOWN PKWY CORDOVA, TN 38016
Mailing Phone
(901) 825-5360
Mailing Fax
(901) 825-5361
Medical School Name
OTHER
Graduation Year
2025
Is Sole Proprietor?
No
Enumeration Date
06-17-2025
Last Update Date
01-21-2026
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A primary care provider (PCP) like Tiara Johnson 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.
6859
License State
TN

Medicare Participation & PECOS Enrollment Status

Tiara Johnson is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Tiara Johnson 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

  • PECOS PAC ID: 7517448103

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20260221000985

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • 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 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 1154217909, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).

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
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
2
Doubled → 4
Pos 6
1
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
Unchanged
Pos 9
0
Doubled → 0
Check
9
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 5 → 10 → 1 2 → 4 7 → 14 → 5 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 4 + 1 + 1 + 4 + 9 + 0 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1154217909.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Clinic/Center (Urgent Care)
1645 N GERMANTOWN PKWY
CORDOVA, TN 38016
Family Medicine
1645 N GERMANTOWN PKWY
CORDOVA, TN 38016

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154217909, enumerated as an "individual" on June 17, 2025.

The provider is located at 1645 N GERMANTOWN PKWY CORDOVA, TN 38016 and the phone number is (901) 825-5360.

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