DIVYA SIVAKUMAR D.O., M.A.
NPI 1528419587
Psychiatry & Neurology - Neurology in Lake Saint Louis, MO
About Divya Sivakumar D.o., M.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIVYA SIVAKUMAR D.O., M.A. (NPI 1528419587) is an individual neurology provider in Lake Saint Louis, Missouri, licensed in Missouri (2021046762) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, is affiliated with Ssm St Joseph Health Center, and maintains a secondary practice location in Hannibal.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Divya Sivakumar D.o., M.a. 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.
Medicare Billing Reassignments
4Medicare enrollment records show Divya Sivakumar reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lake Saint Louis, MO 63367
- Reassigned Medicare billing, Missouri enrollment
- 3 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 435 clinicians in this Medicare group
Hannibal, MO 63401
- Reassigned Medicare billing, Missouri enrollment
- 149 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm St Joseph Health Center
Acute Care Hospitals · Saint Charles, MOMercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOHannibal Regional Hospital
Acute Care Hospitals · Hannibal, MOSt Lukes Hospital
Acute Care Hospitals · Chesterfield, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63367 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAKE SAINT LOUIS, MO 63367
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 Divya Sivakumar's NPI number?
The NPI number for Divya Sivakumar is 1528419587. It was assigned to this individual provider in the NPPES registry on June 30, 2016.
Where is Divya Sivakumar located?
Divya Sivakumar practices at 2300 Hrc Plaza Dr, Lake Saint Louis, MO 63367. The listed phone number is (636) 425-4673.
What is Divya Sivakumar's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Divya Sivakumar enrolled in Medicare?
Yes. Divya Sivakumar 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.
Which organizations bill Medicare for Divya Sivakumar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Divya Sivakumar reassigns Medicare benefits to 4 organizations: Hope Headache And Neurology LLC (Lake Saint Louis, MO), Mercy Hospitals East Communities (Saint Louis, MO), Hannibal Regional Healthcare System, Inc (Hannibal, MO) and The Medical College Of Wisconsin, Inc. (Milwaukee, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Divya Sivakumar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Divya Sivakumar accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 4 other insurers list Divya Sivakumar 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.
Is Divya Sivakumar affiliated with any hospitals?
According to CMS data, Divya Sivakumar is affiliated with Ssm St Joseph Health Center, Mercy Hospital St Louis, Hannibal Regional Hospital and St Lukes Hospital.
When was this NPI record last updated?
The NPPES record for Divya Sivakumar was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.