LACY C MCCLAIN MD
NPI 1427163724
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Hattiesburg, MS
About Lacy C Mcclain Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LACY C MCCLAIN MD (NPI 1427163724) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Hattiesburg, Mississippi, licensed in Mississippi (17269) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with South Central Reg Med Ctr, and is a graduate of University Of Virginia School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Lacy C Mcclain 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 Reassignment
Medicare enrollment records show Lacy Mcclain reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hattiesburg, MS 39402
- Reassigned Medicare billing, Mississippi enrollment
- 248 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 9
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
South Central Reg Med Ctr
Acute Care Hospitals · Laurel, MSForrest General Hospital
Acute Care Hospitals · Hattiesburg, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39402 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Lacy Mcclain's NPI number?
The NPI number for Lacy Mcclain is 1427163724. It was assigned to this individual provider in the NPPES registry on August 20, 2006.
Where is Lacy Mcclain located?
Lacy Mcclain practices at 1011 S 34th Ave, Hattiesburg, MS 39402. The listed phone number is (601) 261-5163.
What is Lacy Mcclain's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Lacy Mcclain enrolled in Medicare?
Yes. Lacy Mcclain 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 organization bills Medicare for Lacy Mcclain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lacy Mcclain reassigns Medicare benefits to Forrest County General Hospital (Hattiesburg, MS). The 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 Lacy Mcclain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lacy Mcclain accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 1 other insurer list Lacy Mcclain 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 Lacy Mcclain affiliated with any hospitals?
According to CMS data, Lacy Mcclain is affiliated with South Central Reg Med Ctr and Forrest General Hospital.
When was this NPI record last updated?
The NPPES record for Lacy Mcclain was last updated on April 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Lacy C Mcclain, MD · NPI 1427163724
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Hattiesburg, Mississippi. Individual provider, active in the CMS NPPES registry since August 20, 2006.
## Identity
- **NPI:** 1427163724 (Entity type: Individual)
- **Enumerated:** August 20, 2006
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** 17269 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 1011 S 34TH AVE, Hattiesburg, MS 39402-3002
- **Phone:** (601) 261-5163
## 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:** Forrest County General Hospital (NPI 1275710212, Hattiesburg, MS), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Virginia School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** April 13, 2022
- **Other identifiers:** Medicaid 00124167 (MS); Other 1559343 (MS)
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Source: [NPI Profile](https://npiprofile.com/npi/1427163724) · Data from the CMS NPPES public registry.