DR. ERIC NATHANIEL LEONG D.O.
NPI 1851475099
Psychiatry & Neurology - Child & Adolescent Psychiatry in Franklin, TN

NPI Status: Active since October 24, 2006

Contact Information

5030 CAROTHERS PKWY
SUITE 120
FRANKLIN, TN
ZIP 37067
Phone: (615) 623-4637
Fax: (615) 534-2176

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  • Individual
  • Male
  • Years of Experience 27
  • Psychiatry & Neurology
  • Child & Adolescent Psychiatry
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About ERIC LEONG

This page provides the complete NPI Profile along with additional information for Eric Leong, a provider established in Franklin, Tennessee with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry and more than 27 years of experience. He graduated from Midwestern University, Chicago College Of Osteopathic Med in 1999. The healthcare provider is registered in the NPI registry with number 1851475099 assigned on October 2006. The practitioner's primary taxonomy code is 2084P0804X with license number 5080 (TN). The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1851475099
Provider Name
DR. ERIC NATHANIEL LEONG D.O.
Gender
Male
Entity Type
Individual
Location Address
5030 CAROTHERS PKWY SUITE 120 FRANKLIN, TN 37067
Location Phone
(615) 623-4637
Location Fax
(615) 534-2176
Mailing Address
5030 CAROTHERS PKWY SUITE 120 FRANKLIN, TN 37067
Mailing Phone
(615) 623-4637
Mailing Fax
(615) 534-2176
Medical School Name
MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduation Year
1999
Is Sole Proprietor?
No
Enumeration Date
10-24-2006
Last Update Date
03-18-2026
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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

Psychiatry & Neurology Child & Adolescent Psychiatry

Taxonomy Code
2084P0804X
Type
Allopathic & Osteopathic Physicians
License No.
5080
License State
TN
Taxonomy Description
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

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)
12084P0804XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Child & Adolescent Psychiatry

DOS906 (HI)
22084P0804XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Child & Adolescent Psychiatry

DO153905 (OR)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • BlueCross B15E $0 virtual care from Teladoc Health� - EPO
  • BlueCross B16E $50 PCP Copay + $0 virtual care from Teladoc Health� - EPO
  • BlueCross B16S $50 PCP Copay + $0 virtual care from Teladoc Health� - EPO
  • BlueCross B17E $0 virtual care from Teladoc Health� + Adult Dental - EPO
  • BlueCross B19E $60 PCP Copay + $0 virtual care from Teladoc Health� - EPO
  • BlueCross G08E $30 PCP Copay + $0 virtual care from Teladoc Health � - EPO
  • BlueCross G08S $30 PCP Copay + $0 virtual care from Teladoc Health � - EPO
  • BlueCross S26E $40 PCP Copay + $0 virtual care from Teladoc Health� - EPO
  • BlueCross S26S $40 PCP Copay + $0 virtual care from Teladoc Health� - EPO
  • BlueCross S27E $60 PCP Copay + $0 virtual care from Teladoc Health� - EPO
  • BlueCross S29E $60 PCP Copay + $0 virtual care from Teladoc Health� + Adult Dental - EPO
  • BlueCross S34E $45 PCP Copay + $0 virtual care from Teladoc Health� - EPO
  • KP OR Bronze 6000 - EPO
  • KP OR Bronze HSA 7100 - EPO
  • KP OR Gold 0 - EPO
  • KP OR Gold 1750 - EPO
  • KP OR Silver 3000 - EPO
  • KP OR Silver 4000 - EPO
  • KP Oregon Standard Bronze Plan - EPO
  • KP Oregon Standard Gold Plan - EPO
  • KP Oregon Standard Silver Plan - EPO
  • KP OR Family Dental - $100 Ded - EPO
  • KP OR Family Dental - $1000 - EPO
  • KP OR Family Dental - $1000/$50 Ded - EPO
  • Bronze Classic Standard - EPO
  • Bronze Elite + PCP Saver Plus - EPO
  • Bronze Simple - EPO
  • Bronze Simple Breathe Easy with Enhanced COPD Benefits - EPO
  • Bronze Simple Chronic Care CKM - EPO
  • Bronze Simple Diabetes - EPO
  • Gold Classic Standard - EPO
  • Gold Elite - EPO
  • Silver Classic - EPO
  • Silver Classic Standard - EPO
  • Silver Simple Breathe Easy with Enhanced COPD Benefits - EPO
  • Silver Simple Chronic Care CKM - EPO
  • Silver Simple Diabetes - EPO
  • Silver Simple PCP Saver - EPO
  • Silver Simple Women's Health with Menopause Benefits - EPO
  • Core Bronze HSA 10600 - EPO
  • Core Bronze HSA 7500 - EPO
  • Core Bronze HSA 8300 - EPO
  • Core Gold 1500 - EPO
  • Core Gold 3000 - EPO
  • Core Silver 3500 - EPO
  • Core Silver 4500 - EPO
  • Core Silver 5000 - EPO
  • Core Silver 7500 - EPO
  • Core Standard Expanded Bronze HSA - EPO
  • Core Standard Gold - EPO
  • Core Standard Silver - EPO
  • PacificSource Oregon Standard Bronze HSA Plan Core - EPO
  • PacificSource Oregon Standard Gold Plan Core - EPO
  • PacificSource Oregon Standard Silver Plan Core - EPO
  • UHC Bronze Copay Focus (Virtual Urgent Care, No Referrals) - EPO
  • UHC Bronze Copay Focus + (Virtual Urgent Care, Dental + Vision, No Referrals) - EPO
  • UHC Bronze Essential (No Referrals) - EPO
  • UHC Bronze Standard (No Referrals) - EPO
  • UHC Gold Advantage (Virtual Urgent Care, No Referrals) - EPO
  • UHC Gold Advantage + (Virtual Urgent Care, Dental + Vision, No Referrals) - EPO
  • UHC Gold Copay Focus (Virtual Urgent Care, No Referrals) - EPO
  • UHC Gold Standard (No Referrals) - EPO
  • UHC Silver Advantage (Virtual Urgent Care, No Referrals) - EPO
  • UHC Silver Advantage + (Virtual Urgent Care, Dental + Vision, No Referrals) - EPO
  • UHC Silver Copay Focus (Virtual Urgent Care, No Referrals) - EPO
  • UHC Silver Standard (No Referrals) - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Eric Leong 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.

Eric Leong 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: 1557511672

    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: I20240725003531

    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

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 160 times for 44 patients

Established patient office or other outpatient visit, 40-54 minutes

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 31 times for 15 patients

Psychiatric diagnostic evaluation with medical services

A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.

This service was performed 36 times for 35 patients

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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 1851475099, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 4 → 8 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 8 + 7 + 1 + 0 + 0 + 1 + 8 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1851475099.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851475099, enumerated as an "individual" on October 24, 2006.

The provider is located at 5030 CAROTHERS PKWY SUITE 120 FRANKLIN, TN 37067 and the phone number is (615) 623-4637.

Psychiatry & Neurology with taxonomy code 2084P0804X and a focus in Child & Adolescent Psychiatry.

The provider might be accepting Accepts: BlueCross BlueShield of Tennessee, Kaiser. Please consult your insurance carrier or call the provider to verify.