DR. ERIK D OBERG M.D.
NPI 1538140223
Emergency Medicine in Charleston, SC
About Dr. Erik D Oberg M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIK D OBERG M.D. (NPI 1538140223) is an individual emergency medicine provider in Charleston, South Carolina, licensed in South Carolina (36547) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Trident Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
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. Erik D Oberg 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
7Medicare enrollment records show Erik Oberg reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Varnville, SC 29944
- Reassigned Medicare billing, South Carolina enrollment
- 49 clinicians in this Medicare group
Myrtle Beach, SC 29572
- Reassigned Medicare billing, Georgia and South Carolina enrollments
- 586 clinicians in this Medicare group
Gainesville, TX 76240
- Reassigned Medicare billing, Texas enrollment
- 1,193 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 1,452 clinicians in this Medicare group
Abilene, TX 79601
- Reassigned Medicare billing, Texas enrollment
- 140 clinicians in this Medicare group
Laredo, TX 78041
- Reassigned Medicare billing, Texas enrollment
- 86 clinicians in this Medicare group
Eagle Pass, TX 78852
- Reassigned Medicare billing, Texas enrollment
- 63 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.
Trident Medical Center
Acute Care Hospitals · Charleston, SCMethodist Hospital Atascosa
Acute Care Hospitals · Jourdanton, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29412 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 Erik Oberg's NPI number?
The NPI number for Erik Oberg is 1538140223. It was assigned to this individual provider in the NPPES registry on November 9, 2005.
Where is Erik Oberg located?
Erik Oberg practices at 921 Parrot Creek Way, Charleston, SC 29412. The listed phone number is (843) 693-2154.
What is Erik Oberg's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Erik Oberg enrolled in Medicare?
Yes. Erik Oberg 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 Erik Oberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erik Oberg reassigns Medicare benefits to 7 organizations: Hampton Regional Medical Center (Varnville, SC), Acs Primary Care Physicians - Southeast PC (Myrtle Beach, SC), Acs Primary Care Physicians Southwest, PA (Gainesville, TX), Emergency Medicine Services Of Tx, PLLC (San Antonio, TX), Quantum Emergency Physicians PA (Abilene, TX) and 2 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 Erik Oberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erik Oberg accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Health and Oscar Insurance Company and 1 other insurer list Erik Oberg 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 Erik Oberg affiliated with any hospitals?
According to CMS data, Erik Oberg is affiliated with Trident Medical Center and Methodist Hospital Atascosa.
When was this NPI record last updated?
The NPPES record for Erik Oberg was last updated on November 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Erik D Oberg, M.D. · NPI 1538140223
Emergency Medicine physician in Charleston, South Carolina. Individual provider, active in the CMS NPPES registry since November 9, 2005.
## Identity
- **NPI:** 1538140223 (Entity type: Individual)
- **Enumerated:** November 9, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 36547 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 921 PARROT CREEK WAY, Charleston, SC 29412-9055
- **Phone:** (843) 693-2154
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Hampton Regional Medical Center (NPI 1487651949, Varnville, SC); Acs Primary Care Physicians - Southeast PC (NPI 1861430555, Myrtle Beach, SC); Acs Primary Care Physicians Southwest, PA (NPI 1538101019, Gainesville, TX); Emergency Medicine Services Of Tx, PLLC (NPI 1245938729, San Antonio, TX); Quantum Emergency Physicians PA (NPI 1215010079, Abilene, TX); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical University Of South Carolina College Of Medicine, class of 2002
## Record status
- **NPPES last updated:** November 2, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1538140223) · Data from the CMS NPPES public registry.