ANTIONETTE OPOKU SIAW CNP-C
NPI 1821865619
Nurse Practitioner - Family in Columbus, OH

Q: What is Antionette Opoku Siaw's NPI number?

The NPI number for Antionette Opoku Siaw is 1821865619. It was assigned to this individual provider in the NPPES registry on December 11, 2023.

Q: What is Antionette Opoku Siaw's specialty?

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

Active since December 11, 2023PECOS Enrolled

2021 E DUBLIN GRANVILLE RD STE 290, COLUMBUS, OH 43229(614) 880-9402(614) 880-9401 Get Directions Write a Review

NPPES record last updated: December 11, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Antionette Opoku Siaw Cnp-c NPPES

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

ANTIONETTE OPOKU SIAW CNP-C (NPI 1821865619) is an individual family provider in Columbus, Ohio, licensed in Ohio (APRN.CNP.0035030) and active in the NPI registry since December 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821865619

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameANTIONETTE OPOKU SIAWCredential: CNP-C

Location Address2021 E DUBLIN GRANVILLE RD STE 290Columbus, OH 43229-3568

Mailing Address2021 E Dublin Granville Rd Ste 290Columbus, OH 43229-3568 · (614) 880-9402 · Fax (614) 880-9401

Phone(614) 880-9402

Fax(614) 880-9401

Sole ProprietorYes

Enumeration DateDecember 11, 2023

NPPES CertifiedDecember 11, 2023

✔ NPI 1821865619 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 OH · APRN.CNP.0035030

2021 E DUBLIN GRANVILLE RD STE 290, Columbus, OH 43229

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Antionette Opoku Siaw Cnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Antionette Opoku Siaw reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Signify Health, LLC

915 mi

General Practice

4055 VALLEY VIEW LN STE 700
Dallas, TX 75244

Reassigned Medicare billing, Ohio enrollment
672 clinicians in this Medicare group

NPI 1689158487 (469) 466-7007

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 43229 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

$84.72 typical visit price

range $54.34 – $166.65

Typical copayment $21.18 (range $13.58 – $41.66)

Most-billed visit code 99203

Established Patient

$96.44 typical visit price

range $17.10 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

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.

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 Antionette Opoku Siaw's NPI number?

The NPI number for Antionette Opoku Siaw is 1821865619. It was assigned to this individual provider in the NPPES registry on December 11, 2023.

Where is Antionette Opoku Siaw located?

Antionette Opoku Siaw practices at 2021 E Dublin Granville Rd Ste 290, Columbus, OH 43229. The listed phone number is (614) 880-9402.

What is Antionette Opoku Siaw's specialty?

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

Is Antionette Opoku Siaw enrolled in Medicare?

Yes. Antionette Opoku Siaw is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Antionette Opoku Siaw's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Antionette Opoku Siaw reassigns Medicare benefits to Signify Health, LLC (Dallas, TX). 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 Antionette Opoku Siaw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Antionette Opoku Siaw accept?

Health plans from CareSource list Antionette Opoku Siaw 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 Antionette Opoku Siaw was last updated on December 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.