DR. LYDIA CHASE MACNEALY MD
NPI 1174263875
Emergency Medicine in Jackson, MS
About Dr. Lydia Chase Macnealy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LYDIA CHASE MACNEALY MD (NPI 1174263875) is an individual emergency medicine provider in Jackson, Mississippi, licensed in Mississippi (35249) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Merit Health River Region, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Lydia Chase Macnealy 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.
Medicare Billing Reassignments
2Medicare enrollment records show Lydia Macnealy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jackson, MS 39216
- Reassigned Medicare billing, Mississippi enrollment
- 1,932 clinicians in this Medicare group
Jackson, MS 39204
- Reassigned Medicare billing, Mississippi enrollment
- 99 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Merit Health River Region
Acute Care Hospitals · Vicksburg, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39216 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JACKSON, MS 39216
JACKSON, MS 39216
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 Lydia Macnealy's NPI number?
The NPI number for Lydia Macnealy is 1174263875. It was assigned to this individual provider in the NPPES registry on March 30, 2022.
Where is Lydia Macnealy located?
Lydia Macnealy practices at 2500 N State St, Jackson, MS 39216. The listed phone number is (601) 984-1000.
What is Lydia Macnealy's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Lydia Macnealy enrolled in Medicare?
Yes. Lydia Macnealy 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 Lydia Macnealy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lydia Macnealy reassigns Medicare benefits to 2 organizations: State Of Mississippi - University Of Mississippi Medical Center (Jackson, MS) and Jackson Hb Medical Services LLC (Jackson, MS). 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 Lydia Macnealy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Lydia Macnealy affiliated with any hospitals?
According to CMS data, Lydia Macnealy is affiliated with Merit Health River Region.
When was this NPI record last updated?
The NPPES record for Lydia Macnealy was last updated on June 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dr. Lydia Chase Macnealy, MD · NPI 1174263875
Emergency Medicine physician in Jackson, Mississippi. Individual provider, active in the CMS NPPES registry since March 30, 2022.
## Identity
- **NPI:** 1174263875 (Entity type: Individual)
- **Enumerated:** March 30, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 35249 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 2500 N STATE ST, Jackson, MS 39216-4500
- **Phone:** (601) 984-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): State Of Mississippi - University Of Mississippi Medical Center (NPI 1154317527, Jackson, MS); Jackson Hb Medical Services LLC (NPI 1184305856, Jackson, MS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** June 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1174263875) · Data from the CMS NPPES public registry.