DR. IAN LEONARD PEARSON MD
NPI 1225490881
Psychiatry & Neurology - Child & Adolescent Psychiatry in Saint Louis, MO
About Dr. Ian Leonard Pearson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IAN LEONARD PEARSON MD (NPI 1225490881) is an individual child & adolescent psychiatry provider in Saint Louis, Missouri, licensed in Missouri (2019019615) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS and is a graduate of Rush Medical College Of Rush University (2016).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ian Leonard Pearson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ian Pearson's NPI number?
The NPI number for Ian Pearson is 1225490881. It was assigned to this individual provider in the NPPES registry on March 23, 2016.
Where is Ian Pearson located?
Ian Pearson practices at 4066 Dunnica Ave, Saint Louis, MO 63116. The listed phone number is (636) 224-1700.
What is Ian Pearson's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.
Is Ian Pearson enrolled in Medicare?
Yes. Ian Pearson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Ian Pearson accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 8 other insurers list Ian Pearson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ian Pearson was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Ian Leonard Pearson, MD · NPI 1225490881
Child & Adolescent Psychiatry physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since March 23, 2016.
## Identity
- **NPI:** 1225490881 (Entity type: Individual)
- **Enumerated:** March 23, 2016
- **Primary specialty:** Psychiatry & Neurology - Child & Adolescent Psychiatry · taxonomy 2084P0804X
- **State license:** 2019019615 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 4066 DUNNICA AVE, Saint Louis, MO 63116-3510
- **Phone:** (636) 224-1700 · **Fax:** (314) 535-5917
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Rush Medical College Of Rush University, class of 2016
## Record status
- **NPPES last updated:** July 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1225490881) · Data from the CMS NPPES public registry.