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ROBERT WILLIAM HORNER IV
NPI 1790429751
Internal Medicine in Westerville, OH

Active since April 26, 2022PECOS EnrolledAccepts Medicare Assignment
495 COOPER RD STE 311, WESTERVILLE, OH 43081(614) 663-4550 Get Directions Write a Review

NPPES record last updated: July 31, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Robert William Horner Iv NPPES

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

ROBERT WILLIAM HORNER IV (NPI 1790429751) is an individual internal medicine provider in Westerville, Ohio, licensed in Ohio (34.017495) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Mount Carmel St Ann's, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1790429751
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameROBERT WILLIAM HORNER IV
Location Address495 COOPER RD STE 311Westerville, OH 43081-8729
Mailing Address5300 N Meadows DrGrove City, OH 43123-2546 · (614) 663-4550
Phone(614) 663-4550
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 26, 2022
Last NPPES UpdateJuly 31, 2025
NPPES CertifiedJuly 31, 2025
✔ NPI 1790429751 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OH · 34.017495
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
495 COOPER RD STE 311, Westerville, OH 43081
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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Robert William Horner Iv 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.

PECOS PAC ID9234514100
PECOS Enrollment IDI20250911000719
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.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mount Carmel St Ann's

Acute Care Hospitals · Westerville, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360012
Location500 South Cleveland AvenueWesterville, OH 43081 · Franklin County
Emergency services Birthing friendly

Mount Carmel East & West

Acute Care Hospitals · Columbus, OH
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360035
Location6001 East Broad StreetColumbus, OH 43213 · Franklin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43081 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
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.

Other Providers at the Same Location NPPES 2

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

TENNEH N. SNELL FNP-C
Nurse Practitioner (Family)
495 COOPER RD STE 311
WESTERVILLE, OH 43081
Franklin County (614) 627-1490
DR. BOGDAN A. TOPLAK M.D.
Family Medicine
495 COOPER RD STE 311
WESTERVILLE, OH 43081
Franklin County (614) 879-9384

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 Robert Horner's NPI number?

The NPI number for Robert Horner is 1790429751. It was assigned to this individual provider in the NPPES registry on April 26, 2022.

Where is Robert Horner located?

Robert Horner practices at 495 Cooper Rd Ste 311, Westerville, OH 43081. The listed phone number is (614) 663-4550.

What is Robert Horner's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Robert Horner enrolled in Medicare?

Yes. Robert Horner 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.

What insurance does Robert Horner accept?

Health plans from Oscar Health Insurance list Robert Horner 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 Robert Horner affiliated with any hospitals?

According to CMS data, Robert Horner is affiliated with Mount Carmel St Ann's and Mount Carmel East & West.

When was this NPI record last updated?

The NPPES record for Robert Horner was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.