DR. IAN LEONARD PEARSON MD
NPI 1225490881
Psychiatry & Neurology - Child & Adolescent Psychiatry in Saint Louis, MO

NPI Status: Active since March 23, 2016

Contact Information

1 CHILDRENS PL
DEPT PSYCHIATRY
SAINT LOUIS, MO
ZIP 63110
Phone: (314) 286-1700
Fax: (314) 286-1777

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Child & Adolescent Psychiatry
  • Accepts Insurance
  • PECOS Enrolled

About IAN PEARSON

This page provides the complete NPI Profile along with additional information for Ian Pearson, a provider established in Saint Louis, Missouri with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry . The healthcare provider is registered in the NPI registry with number 1225490881 assigned on March 2016. The practitioner's primary taxonomy code is 2084P0804X with license number 2019019615 (MO). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1225490881
Provider Name
DR. IAN LEONARD PEARSON MD
Gender
Male
Entity Type
Individual
Location Address
1 CHILDRENS PL DEPT PSYCHIATRY SAINT LOUIS, MO 63110
Location Phone
(314) 286-1700
Location Fax
(314) 286-1777
Mailing Address
PO BOX 7412011 CHICAGO, IL 60674
Mailing Phone
(314) 286-1700
Mailing Fax
(314) 286-1777
Is Sole Proprietor?
No
Enumeration Date
03-23-2016
Last Update Date
06-20-2025
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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.
2019019615
License State
MO
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.

Insurance Plans Accepted

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

  • Choice Bronze HSA (QualChoice) - POS
  • Complete Gold - PPO
  • Complete Gold + Vision + Adult Dental - PPO
  • Connected Silver - PPO
  • Connected Silver (QualChoice) - POS
  • Connected Silver (QualChoice) + Vision + Adult Dental - POS
  • Connected Silver (QualChoiceLife) - PPO
  • Connected Silver (QualChoiceLife) + Vision + Adult Dental - PPO
  • Connected Silver + Vision + Adult Dental - PPO
  • Elite Bronze - PPO
  • Elite Bronze + Vision + Adult Dental - PPO
  • Elite Gold (QualChoice) - POS
  • Elite Gold (QualChoice) + Vision + Adult Dental - POS
  • Elite Gold (QualChoiceLife) - PPO
  • Elite Gold (QualChoiceLife) + Vision + Adult Dental - PPO
  • Everyday Bronze - PPO
  • Everyday Bronze + Vision + Adult Dental - PPO
  • Standard Expanded Bronze - PPO
  • Standard Expanded Bronze (QualChoice) - POS
  • Standard Expanded Bronze + Vision + Adult Dental - PPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Complete Silver - EPO
  • Complete Silver + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Elite Gold - EPO
  • Elite Gold + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO
  • Choice Bronze HSA - EPO
  • Choice Bronze HSA + Vision + Adult Dental - EPO
  • Clear Gold - EPO
  • Clear Gold + Vision + Adult Dental - EPO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Bronze - EPO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Elite Gold - EPO
  • Elite Gold + Vision + Adult Dental - EPO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Focused Silver - EPO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - EPO
  • Focused Silver + Vision + Adult Dental - HMO
  • Clear Gold - EPO
  • Clear Gold + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Elite Silver - EPO
  • Elite Silver + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Principal Bronze HSA - EPO
  • Principal Bronze HSA + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Elite Bronze - PPO
  • Elite Bronze + Vision + Adult Dental - PPO
  • Elite Gold - PPO
  • Elite Gold + Vision + Adult Dental - PPO
  • Enhanced Asthma/COPD Care Silver with $0 Drug Options - PPO
  • Enhanced Asthma/COPD Care Silver with $0 Drug Options + Vision + Adult Dental - PPO
  • Enhanced Diabetes Care Silver with $0 Drug Options - PPO
  • Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental - PPO
  • Everyday Bronze - PPO
  • Everyday Bronze + Vision + Adult Dental - PPO
  • Everyday Gold - PPO
  • Everyday Gold + Vision + Adult Dental - PPO
  • Focused Silver - PPO
  • Focused Silver + Vision + Adult Dental - PPO
  • Standard Expanded Bronze - PPO
  • Standard Expanded Bronze + Vision + Adult Dental - PPO
  • Standard Gold - PPO
  • Standard Gold + Vision + Adult Dental - PPO
  • Standard Silver - PPO
  • Standard Silver + Vision + Adult Dental - PPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Elite Gold - EPO
  • Elite Gold + Vision + Adult Dental - EPO
  • Enhanced Diabetes Care Silver with $0 Drug Options - EPO
  • Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO
  • Anthem Bronze Pathway 10150 ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Bronze Pathway 6900 ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Bronze Pathway 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Catastrophic Pathway (+ Incentives) - EPO
  • Anthem Gold Pathway 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Heart Healthy Bronze Pathway 4900 ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Heart Healthy Silver Pathway 3100 ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Silver Pathway 5350 ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Silver Pathway 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Anthem Silver Pathway 7200 ($0 Virtual PCP + $0 Select Drugs + Incentives) - EPO
  • Blue KC Catastrophic BlueSelect EPO - EPO
  • Blue KC Choice Bronze 2 with Spira Care BlueSelect EPO - EPO
  • Blue KC Choice Silver 1 with Spira Care BlueSelect EPO - EPO
  • Blue KC Community Silver Preferred-Care Blue EPO - EPO
  • Blue KC First Bronze Preferred-Care Blue EPO - EPO
  • Blue KC Standard Bronze BlueSelect EPO - EPO
  • Blue KC Standard Bronze Preferred-Care Blue EPO - EPO
  • Blue KC Standard Gold BlueSelect EPO - EPO
  • Blue KC Standard Gold Preferred-Care Blue EPO - EPO
  • Blue KC Standard Silver BlueSelect EPO - EPO
  • Blue KC Standard Silver Preferred-Care Blue EPO - EPO
  • Balance by Medica Bronze $0 Copay PCP Visits - EPO
  • Balance by Medica Bronze Premier - EPO
  • Balance by Medica Expanded Bronze Standard - EPO
  • Balance by Medica Gold $0 Copay PCP Visits - EPO
  • Balance by Medica Gold Share - EPO
  • Balance by Medica Gold Standard - EPO
  • Balance by Medica Silver $0 Copay PCP Visits - EPO
  • Balance by Medica Silver Share - EPO
  • Balance by Medica Silver Standard - EPO
  • Medica with MU Health Care Bronze $0 Copay PCP Visits - EPO
  • Medica with MU Health Care Bronze Premier - EPO
  • Medica with MU Health Care Expanded Bronze Standard - EPO
  • Medica with MU Health Care Gold $0 Copay PCP Visits - EPO
  • Medica with MU Health Care Gold Share - EPO
  • Medica with MU Health Care Gold Standard - EPO
  • Medica with MU Health Care Silver $0 Copay PCP Visits - EPO
  • Medica with MU Health Care Silver Share - EPO
  • Medica with MU Health Care Silver Standard - EPO
  • Select by Medica Bronze $0 Copay PCP Visits - EPO
  • Select by Medica Bronze Share - EPO
  • Bronze Classic 4700 - EPO
  • Bronze Classic Standard - EPO
  • Bronze Elite + PCP Saver - EPO
  • Bronze Elite + PCP Saver Plus - EPO
  • Bronze Simple Diabetes - EPO
  • Gold Classic Standard - EPO
  • Gold Simple - EPO
  • Silver Classic Standard - EPO
  • Silver Elite Saver Plus - EPO
  • Silver Simple Diabetes - EPO
  • Silver Simple PCP Saver - EPO
  • Silver Simple Women's Health with Menopause Benefits - EPO
  • Connect 1500 Gold - EPO
  • Connect 6000 Silver - EPO
  • Connect 9800 Bronze - EPO
  • HSA Qualified 7500 Bronze - Choice Network - EPO
  • HSA-E Qualified 7500 Bronze - Signature Network - EPO
  • Providence Oregon Standard Bronze Plan - Choice Network - EPO
  • Providence Oregon Standard Bronze Plan - Signature Network - EPO
  • Providence Oregon Standard Gold Plan - Choice Network - EPO
  • Providence Oregon Standard Gold Plan - Signature Network - EPO
  • Providence Oregon Standard Silver Plan - Choice Network - EPO
  • Providence Oregon Standard Silver Plan - Signature Network - EPO
  • UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) - EPO
  • UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) - HMO
  • UHC Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) - EPO
  • UHC Bronze Essential ($0 Virtual Urgent Care, No Referrals) - EPO
  • UHC Bronze Essential (No Referrals) - EPO
  • UHC Bronze Standard (No Referrals) - EPO
  • UHC Bronze Standard (No Referrals) - HMO
  • UHC Bronze Standard+ (Dental + Vision, No Referrals) - EPO
  • UHC Bronze Value ($0 Virtual Urgent Care, No Referrals) - HMO
  • UHC Bronze Value+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) - HMO
  • UHC Gold Advantage ($0 Virtual Urgent Care, $1 Tier 2 Rx, No Referrals) - HMO
  • UHC Gold Advantage ($0 Virtual Urgent Care, $3 Tier 2 Rx, No Referrals) - EPO
  • UHC Gold Advantage ($0 Virtual Urgent Care, No Referrals) - EPO
  • UHC Gold Advantage+ ($0 Virtual Urgent Care, $1 Tier 2 Rx, Dental + Vision, No Referrals) - HMO
  • UHC Gold Advantage+ ($0 Virtual Urgent Care, $3 Tier 2 Rx, Dental + Vision, No Referrals) - EPO
  • UHC Gold Advantage+ ($0 Virtual Urgent Care, Dental + Vision, No Referrals) - EPO
  • UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx, No Referrals) - EPO
  • UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx, No Referrals) - HMO
  • UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, No Referrals) - EPO
  • UHC Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx, Dental + Vision, No Referrals) - EPO

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

Medicare Participation & PECOS Enrollment Status

Ian Pearson 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

Reviews for DR. IAN LEONARD PEARSON MD

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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 1225490881, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

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
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
0
Doubled → 0
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
1
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 4 → 8 0 → 0 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 8 + 9 + 0 + 8 + 1 + 6 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1225490881.

Other Providers at the Same Location


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

Pediatrics
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Pharmacist
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Pharmacist
1 CHILDRENS PL, ST LOUIS CHILDREN OUT PATIENT PHARMACY
SAINT LOUIS, MO 63110
Pharmacist
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Anesthesiology
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Ophthalmology
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Pediatrics (Pediatric Cardiology)
1 CHILDRENS PL, SUITE 5S30
SAINT LOUIS, MO 63110
Anesthesiology
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Pediatrics (Pediatric Critical Care Medicine)
1 CHILDRENS PL, SUITE 5S20
SAINT LOUIS, MO 63110
Pediatrics (Pediatric Rheumatology)
1 CHILDRENS PL, SUITE 11W32
SAINT LOUIS, MO 63110
Anesthesiology (Pediatric Anesthesiology)
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Pediatrics
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Physical Therapist
1 CHILDRENS PL, STE 11E10
SAINT LOUIS, MO 63110
Clinical Neuropsychologist
1 CHILDRENS PL, #3S32
SAINT LOUIS, MO 63110
Pediatrics (Pediatric Hematology-Oncology)
1 CHILDRENS PL, SUITE 9S
SAINT LOUIS, MO 63110
Pediatrics (Pediatric Gastroenterology)
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Medical Genetics (Clinical Genetics (M.D.))
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Clinical Neuropsychologist
1 CHILDRENS PL, 3S32
SAINT LOUIS, MO 63110
Pediatrics (Adolescent Medicine)
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Anesthesiology
1 CHILDRENS PL
SAINT LOUIS, MO 63110

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225490881, enumerated as an "individual" on March 23, 2016.

The provider is located at 1 CHILDRENS PL DEPT PSYCHIATRY SAINT LOUIS, MO 63110 and the phone number is (314) 286-1700.

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

The provider might be accepting Accepts: Ambetter from Arkansas Health & Wellness, Ambetter. Please consult your insurance carrier or call the provider to verify.