DEREK ALEXANDER WIERZBICKI M.D.
NPI 1780799288
Emergency Medicine in Laurel, MS
About Derek Alexander Wierzbicki M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEREK ALEXANDER WIERZBICKI M.D. (NPI 1780799288) is an individual emergency medicine provider in Laurel, Mississippi, licensed in Louisiana (MD.026276) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Singing River Health System, and maintains a secondary practice location in Gretna.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Derek Alexander Wierzbicki M.d. 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
18Medicare enrollment records show Derek Wierzbicki reassigns Medicare billing to 18 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Laurel, MS 39440
- Reassigned Medicare billing, Mississippi enrollment
- 205 clinicians in this Medicare group
Taylorsville, MS 39168
- Reassigned Medicare billing, Mississippi enrollment
- 87 clinicians in this Medicare group
Bogalusa, LA 70427
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
Bogalusa, LA 70427
- Reassigned Medicare billing, Louisiana enrollment
- 91 clinicians in this Medicare group
Jackson, MS 39204
- Reassigned Medicare billing, Mississippi enrollment
- 187 clinicians in this Medicare group
Bay St Louis, MS 39520
- Reassigned Medicare billing, Mississippi enrollment
- 87 clinicians in this Medicare group
Pascagoula, MS 39581
- Reassigned Medicare billing, Mississippi enrollment
- 75 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Louisiana enrollment
- 197 clinicians in this Medicare group
Kenner, LA 70065
- Reassigned Medicare billing, Louisiana enrollment
- 181 clinicians in this Medicare group
New Orleans, LA 70115
- Reassigned Medicare billing, Louisiana enrollment
- 240 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 3
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.
Singing River Health System
Acute Care Hospitals · Pascagoula, MSSouth Central Reg Med Ctr
Acute Care Hospitals · Laurel, MSSinging River Gulfport
Acute Care Hospitals · Gulfport, MSMagee General Hospital
Acute Care Hospitals · Magee, MSCovington County Hospital Cah
Critical Access Hospitals · Collins, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39440 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.
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 Derek Wierzbicki's NPI number?
The NPI number for Derek Wierzbicki is 1780799288. It was assigned to this individual provider in the NPPES registry on August 21, 2006.
Where is Derek Wierzbicki located?
Derek Wierzbicki practices at 1220 Jefferson St, Laurel, MS 39440. The listed phone number is (601) 399-6169.
What is Derek Wierzbicki's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Derek Wierzbicki enrolled in Medicare?
Yes. Derek Wierzbicki 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 Derek Wierzbicki's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Derek Wierzbicki reassigns Medicare benefits to 18 organizations: South Central Clinics, Inc. (Laurel, MS), Magee Benevolent Association (Taylorsville, MS), Ochsner Clinic LLC (Bogalusa, LA), Washington Parish Emergency Physicians Group LLC (Bogalusa, LA), App Of Mississippi Ed, LLC (Jackson, MS) and 13 more organizations, listed in the Medicare section above. 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 Derek Wierzbicki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Derek Wierzbicki accept?
Health plans from CHRISTUS Health Plan, Cigna Healthcare, HMO Louisiana and UnitedHealthcare list Derek Wierzbicki 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 Derek Wierzbicki affiliated with any hospitals?
According to CMS data, Derek Wierzbicki is affiliated with Singing River Health System, South Central Reg Med Ctr, Singing River Gulfport, Magee General Hospital and Covington County Hospital Cah.
When was this NPI record last updated?
The NPPES record for Derek Wierzbicki was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.
# Derek Alexander Wierzbicki, M.D. · NPI 1780799288
Emergency Medicine physician in Laurel, Mississippi. Individual provider, active in the CMS NPPES registry since August 21, 2006.
## Identity
- **NPI:** 1780799288 (Entity type: Individual)
- **Enumerated:** August 21, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD.026276 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1220 JEFFERSON ST, Laurel, MS 39440-4355
- **Phone:** (601) 399-6169 · **Fax:** (601) 399-6281
## 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:** 18 organizations under Medicare reassignment (form CMS-855R): South Central Clinics, Inc. (NPI 1528918919, Laurel, MS); Magee Benevolent Association (NPI 1871888271, Taylorsville, MS); Ochsner Clinic LLC (NPI 1366797110, Bogalusa, LA); Washington Parish Emergency Physicians Group LLC (NPI 1538511043, Bogalusa, LA); App Of Mississippi Ed, LLC (NPI 1730687740, Jackson, MS); and 13 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At Houston, class of 2002
## Record status
- **NPPES last updated:** October 7, 2026
- **Other identifiers:** Medicaid 03656293 (MS); Medicaid 1056545 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1780799288) · Data from the CMS NPPES public registry.