OLUWATOYIN OLIVIA UNTERREINER
NPI 1700416534
Nurse Practitioner - Family in Charleston, SC

Active since January 21, 2020PECOS Enrolled
171 ASHLEY AVE, CHARLESTON, SC 29425(843) 792-1414 Get Directions Write a Review

NPPES record last updated: April 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 13, 2026, Jan 21, 2020 (2 updates tracked since 2020).

About Oluwatoyin Olivia Unterreiner NPPES

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

OLUWATOYIN OLIVIA UNTERREINER (NPI 1700416534) is an individual family provider in Charleston, South Carolina, licensed in South Carolina (31442) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1700416534
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameOLUWATOYIN OLIVIA UNTERREINER
Location Address171 ASHLEY AVECharleston, SC 29425-0100
Mailing Address1 Poston Rd Ste 110Charleston, SC 29407-3457 · (843) 876-1347
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateJanuary 21, 2020
Last NPPES UpdateApril 13, 20262 updates tracked since enumeration
NPPES CertifiedApril 13, 2026
NPI 1700416534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in SC · 31442
171 ASHLEY AVE, Charleston, SC 29425

Other Names 1

Other Name (5)Toyin Unterreiner Np

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Oluwatoyin Olivia Unterreiner is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4284104001
PECOS Enrollment IDI20260521003068
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29425 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 20

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

Allergy & Immunology
171 ASHLEY AVE
CHARLESTON, SC 29425
Nurse Anesthetist, Certified Registered
171 ASHLEY AVE
CHARLESTON, SC 29425
Pathology (Anatomic Pathology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Ophthalmology
171 ASHLEY AVE
CHARLESTON, SC 29425
Social Worker
171 ASHLEY AVE
CHARLESTON, SC 29425
Radiology (Pediatric Radiology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Nurse Practitioner
171 ASHLEY AVE
CHARLESTON, SC 29425
Ophthalmology
171 ASHLEY AVE
CHARLESTON, SC 29425

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 Oluwatoyin Unterreiner's NPI number?

The NPI number for Oluwatoyin Unterreiner is 1700416534. It was assigned to this individual provider in the NPPES registry on January 21, 2020. The provider is also known as Toyin Unterreiner Np.

Where is Oluwatoyin Unterreiner located?

Oluwatoyin Unterreiner practices at 171 Ashley Ave, Charleston, SC 29425. The listed phone number is (843) 792-1414.

What is Oluwatoyin Unterreiner's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Oluwatoyin Unterreiner enrolled in Medicare?

Yes. Oluwatoyin Unterreiner is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Oluwatoyin Unterreiner was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.