DR. STEVEN DEMETROPOULOS MD
NPI 1932259546
General Practice in Ocean Springs, MS
About Dr. Steven Demetropoulos Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN DEMETROPOULOS MD (NPI 1932259546) is an individual general practice provider in Ocean Springs, Mississippi, licensed in Mississippi (MS11472) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Singing River Health System, and is a graduate of University Of Alabama School Of Medicine (1984).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 7
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. Steven Demetropoulos 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 Steven Demetropoulos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ocean Springs, MS 39564
- Reassigned Medicare billing, Mississippi enrollment
- 450 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 5
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.
Singing River Health System
Acute Care Hospitals · Pascagoula, MSSinging River Gulfport
Acute Care Hospitals · Gulfport, MSReferred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OCEAN SPRINGS, MS 39564
OCEAN SPRINGS, MS 39564
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 Steven Demetropoulos's NPI number?
The NPI number for Steven Demetropoulos is 1932259546. It was assigned to this individual provider in the NPPES registry on January 12, 2007.
Where is Steven Demetropoulos located?
Steven Demetropoulos practices at 3099 Bienville Blvd, Ocean Springs, MS 39564. The listed phone number is (228) 872-2403.
What is Steven Demetropoulos's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Steven Demetropoulos enrolled in Medicare?
Yes. Steven Demetropoulos 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 Steven Demetropoulos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Demetropoulos reassigns Medicare benefits to Singing River Health System (Ocean Springs, 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 Steven Demetropoulos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Demetropoulos accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 3 other insurers list Steven Demetropoulos 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 Steven Demetropoulos affiliated with any hospitals?
According to CMS data, Steven Demetropoulos is affiliated with Singing River Health System and Singing River Gulfport.
When was this NPI record last updated?
The NPPES record for Steven Demetropoulos was last updated on May 2, 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.
# Dr. Steven Demetropoulos, MD · NPI 1932259546
General Practice physician in Ocean Springs, Mississippi. Individual provider, active in the CMS NPPES registry since January 12, 2007.
## Identity
- **NPI:** 1932259546 (Entity type: Individual)
- **Enumerated:** January 12, 2007
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **State license:** MS11472 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 3099 BIENVILLE BLVD, Ocean Springs, MS 39564-4308
- **Phone:** (228) 872-2403 · **Fax:** (228) 872-4027
## 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:** Singing River Health System (NPI 1053528109, Ocean Springs, MS), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Alabama School Of Medicine, class of 1984
## Record status
- **NPPES last updated:** May 2, 2022
- **Other identifiers:** Medicaid 00014926 (MS); Other 930026706; Medicaid 008906770 (AL); and 4 more
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Source: [NPI Profile](https://npiprofile.com/npi/1932259546) · Data from the CMS NPPES public registry.