SUMNER B DOUGLAS NP
NPI 1548821333
Nurse Practitioner - Family in Madison, MS
About Sumner B Douglas Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUMNER B DOUGLAS NP (NPI 1548821333) is an individual family provider in Madison, Mississippi, licensed in Mississippi (903149) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, is affiliated with St Dominic-jackson Memorial Hospital, and maintains a secondary practice location in Gulfport.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Sumner B Douglas Np 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
3Medicare enrollment records show Sumner Douglas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Flowood, MS 39232
- Reassigned Medicare billing, Mississippi enrollment
- 72 clinicians in this Medicare group
Flowood, MS 39232
- Reassigned Medicare billing, Mississippi enrollment
- 117 clinicians in this Medicare group
Metairie, LA 70001
- Reassigned Medicare billing, Mississippi enrollment
- 96 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Dominic-Jackson Memorial Hospital
Acute Care Hospitals · Jackson, MSMerit Health Central
Acute Care Hospitals · Jackson, MSCrossgates River Oaks Hospital
Acute Care Hospitals · Brandon, MSMississippi Baptist Medical Center
Acute Care Hospitals · Jackson, MSMerit Health River Oaks
Acute Care Hospitals · Flowood, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
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 Sumner Douglas's NPI number?
The NPI number for Sumner Douglas is 1548821333. It was assigned to this individual provider in the NPPES registry on June 24, 2019.
Where is Sumner Douglas located?
Sumner Douglas practices at 401 Baptist Dr Ste 1040, Madison, MS 39110. The listed phone number is (601) 605-2383.
What is Sumner Douglas's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Sumner Douglas enrolled in Medicare?
Yes. Sumner Douglas 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 Sumner Douglas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sumner Douglas reassigns Medicare benefits to 3 organizations: On-Site Health LLC (Flowood, MS), Wound Management Specialists, LLC (Flowood, MS) and Healthcare Plus Limited Liability Company (Metairie, LA). 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 Sumner Douglas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sumner Douglas accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee list Sumner Douglas 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 Sumner Douglas affiliated with any hospitals?
According to CMS data, Sumner Douglas is affiliated with St Dominic-Jackson Memorial Hospital, Merit Health Central, Crossgates River Oaks Hospital, Mississippi Baptist Medical Center and Merit Health River Oaks.
When was this NPI record last updated?
The NPPES record for Sumner Douglas was last updated on September 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Sumner B Douglas, NP · NPI 1548821333
Family physician in Madison, Mississippi. Individual provider, active in the CMS NPPES registry since June 24, 2019.
## Identity
- **NPI:** 1548821333 (Entity type: Individual)
- **Enumerated:** June 24, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 903149 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 401 BAPTIST DR STE 1040, Madison, MS 39110-2009
- **Phone:** (601) 605-2383 · **Fax:** (601) 605-3898
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): On-Site Health LLC (NPI 1598348799, Flowood, MS); Wound Management Specialists, LLC (NPI 1972150084, Flowood, MS); Healthcare Plus Limited Liability Company (NPI 1063927465, Metairie, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** September 25, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1548821333) · Data from the CMS NPPES public registry.