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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ELIZABETH ANNE LAVALLEY OTERSEN MD
NPI 1093455313
Pediatrics in Lexington, SC

Active since April 01, 2022PECOS Enrolled
103 THOMPSON ST STE 100, LEXINGTON, SC 29072(803) 359-8855(803) 359-1257 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 22, 2026, Jul 27, 2026, Jul 23, 2026 and 1 more (4 updates tracked since 2026).

About Dr. Elizabeth Anne Lavalley Otersen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ELIZABETH ANNE LAVALLEY OTERSEN MD (NPI 1093455313) is an individual pediatrics provider in Lexington, South Carolina, licensed in Pennsylvania (MD489169) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of South Carolina School Of Medicine (2022).

NPPES Registry Identity

NPI1093455313
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. ELIZABETH ANNE LAVALLEY OTERSENCredential: MD
Location Address103 THOMPSON ST STE 100Lexington, SC 29072-2543
Mailing Address100 N Academy AveDanville, PA 17822-4903 · (570) 271-5600 · Fax (570) 271-5851
Phone(803) 359-8855
Fax(803) 359-1257
Sole ProprietorNo
Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 2022
Enumeration DateApril 1, 2022
Last NPPES UpdateSeptember 22, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1093455313 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in PA · MD489169✔ Licensed in SC · 96220
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
103 THOMPSON ST STE 100, Lexington, SC 29072
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Other Names 1

Former Name (1)Elizabeth Anne La Valley

Secondary Practice Locations 2

Location 14080 Augusta Hwy Ste 100Gilbert, SC 29054-8893 · Phone (803) 892-1800
Location 216 Woodbine LnDanville, PA 17821-8029 · Phone (570) 271-5606

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Elizabeth Anne Lavalley Otersen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8224418876
PECOS Enrollment IDI20260612001537
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Elizabeth Otersen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lexington Health Inc
Same address
Adolescent Medicine
103 THOMPSON ST STE 100
Lexington, SC 29072
  • Reassigned Medicare billing, South Carolina enrollment
  • 1,219 clinicians in this Medicare group
NPI 1619574969 (803) 359-8855
Geisinger Clinic
484 mi
Internal Medicine
3228 COLD SPRINGS RD
Huntingdon, PA 16652
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 4,429 clinicians in this Medicare group
NPI 1548599913 (570) 271-5555

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29072 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LEXINGTON HEALTH INC
Pediatrics (Adolescent Medicine)
103 THOMPSON ST STE 100
LEXINGTON, SC 29072
Lexington County (803) 359-8855

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 Elizabeth Otersen's NPI number?

The NPI number for Elizabeth Otersen is 1093455313. It was assigned to this individual provider in the NPPES registry on April 1, 2022. The provider is also known as Elizabeth Anne La Valley.

Where is Elizabeth Otersen located?

Elizabeth Otersen practices at 103 Thompson St Ste 100, Lexington, SC 29072. The listed phone number is (803) 359-8855.

What is Elizabeth Otersen's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Elizabeth Otersen enrolled in Medicare?

Yes. Elizabeth Otersen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Elizabeth Otersen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Otersen reassigns Medicare benefits to 2 organizations: Lexington Health Inc (Lexington, SC) and Geisinger Clinic (Huntingdon, PA). 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 Elizabeth Otersen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elizabeth Otersen accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and Molina Healthcare and 1 other insurer list Elizabeth Otersen 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.

When was this NPI record last updated?

The NPPES record for Elizabeth Otersen was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 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.