Ian Leonard Pearson, MD - Medicare Psychiatry & Neurology in Saint Louis, MO

Ian Leonard Pearson, MD is a medicare enrolled "Psychiatry & Neurology - Child & Adolescent Psychiatry" physician in Saint Louis, Missouri. His current practice location is 4066 Dunnica Ave, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (636) 224-1248.

Ian Leonard Pearson is licensed to practice in Missouri (license number 2019019615) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1225490881.

Contact Information

Ian Leonard Pearson, MD
4066 Dunnica Ave,
Saint Louis, MO 63116-3510
(636) 224-1248
Not Available

Map and Direction




Physician's Profile

Full NameIan Leonard Pearson
GenderMale
SpecialityPsychiatry & Neurology - Child & Adolescent Psychiatry
Location4066 Dunnica Ave, Saint Louis, Missouri
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1225490881
  • Provider Enumeration Date: 03/23/2016
  • Last Update Date: 06/09/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1658665211
  • Enrollment ID: I20201016001417

Medical Identifiers

Medical identifiers for Ian Leonard Pearson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225490881NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0804XPsychiatry & Neurology - Child & Adolescent Psychiatry 2019019615 (Missouri)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Ian Leonard Pearson allows following entities to bill medicare on his behalf.
Entity NameMercy Clinic Adult Hospitalists - St. Louis, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841235108
PECOS PAC ID: 6002809944
Enrollment ID: O20040406001004
Entity NamePreferred Family Healthcare, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649474206
PECOS PAC ID: 0244256246
Enrollment ID: O20051019000599
Entity NameSt Anthonys Physician Organization Hospitalist Services Lc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407216336
PECOS PAC ID: 5092980656
Enrollment ID: O20111208000771
Entity NamePsychological & Behavioral Consultants Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811915713
PECOS PAC ID: 0446243760
Enrollment ID: O20181204002777

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Ian Leonard Pearson is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Ian Leonard Pearson, MD
255 Spencer Rd Ste 201,
Saint Peters, MO 63376-2576

Ph: (636) 939-2550
Ian Leonard Pearson, MD
4066 Dunnica Ave,
Saint Louis, MO 63116-3510

Ph: (636) 224-1248

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.