DR. JAMES L DUNCAN III MD
NPI 1346250677
Anesthesiology in Jackson, MS
About Dr. James L Duncan Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES L DUNCAN III MD (NPI 1346250677) is an individual anesthesiology provider in Jackson, Mississippi, licensed in Mississippi (16805) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Mississippi Baptist Medical Center, and is a graduate of University Of Mississippi School Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 10
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
Dr. James L Duncan Iii 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
4Medicare enrollment records show James Duncan reassigns Medicare billing to 4 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 39216
- Reassigned Medicare billing, Mississippi enrollment
- 86 clinicians in this Medicare group
Jackson, MS 39201
- Reassigned Medicare billing, Mississippi enrollment
- 187 clinicians in this Medicare group
Jackson, MS 39208
- Reassigned Medicare billing, Mississippi enrollment
- 154 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 6
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mississippi Baptist Medical Center
Acute Care Hospitals · Jackson, MSMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 James Duncan's NPI number?
The NPI number for James Duncan is 1346250677. It was assigned to this individual provider in the NPPES registry on August 9, 2006.
Where is James Duncan located?
James Duncan practices at 2500 N State St, Jackson, MS 39216. The listed phone number is (601) 984-5900.
What is James Duncan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is James Duncan enrolled in Medicare?
Yes. James Duncan 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 James Duncan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Duncan reassigns Medicare benefits to 4 organizations: State Of Mississippi - University Of Mississippi Medical Center (Jackson, MS), Physicians Anesthesia Group, P.A. (Jackson, MS), Perioperative Services Of Mississippi, LLC (Jackson, MS) and Anesthesia Consultants PA (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 James Duncan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Duncan accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 2 other insurers list James Duncan 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 James Duncan affiliated with any hospitals?
According to CMS data, James Duncan is affiliated with Mississippi Baptist Medical Center.
When was this NPI record last updated?
The NPPES record for James Duncan was last updated on June 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. James L Duncan III, MD · NPI 1346250677
Anesthesiology physician in Jackson, Mississippi. Individual provider, active in the CMS NPPES registry since August 9, 2006.
## Identity
- **NPI:** 1346250677 (Entity type: Individual)
- **Enumerated:** August 9, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 16805 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 2500 N STATE ST, Jackson, MS 39216-4500
- **Phone:** (601) 984-5900
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): State Of Mississippi - University Of Mississippi Medical Center (NPI 1154317527, Jackson, MS); Physicians Anesthesia Group, P.A. (NPI 1407890783, Jackson, MS); Perioperative Services Of Mississippi, LLC (NPI 1881123123, Jackson, MS); Anesthesia Consultants PA (NPI 1750300836, Jackson, MS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Mississippi School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** June 13, 2012
- **Other identifiers:** Medicare PIN P00987540 (MS); Medicare PIN 302I051003 (MS); Medicaid 1500691 (LA); and 7 more
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Source: [NPI Profile](https://npiprofile.com/npi/1346250677) · Data from the CMS NPPES public registry.