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WILLIAM EMIL CARROLL MD
NPI 1669462446
Psychiatry & Neurology - Neurology in Columbus, OH

Active since October 24, 2005PECOS Enrolled
81.3/100
CMS Quality Rating
285 E STATE ST, STE 430, COLUMBUS, OH 43215(614) 566-9777(614) 566-8611 Get Directions Write a Review

NPPES record last updated: December 22, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About William Emil Carroll Md NPPES

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

WILLIAM EMIL CARROLL MD (NPI 1669462446) is an individual neurology provider in Columbus, Ohio, licensed in Ohio (35071103) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669462446
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameWILLIAM EMIL CARROLLCredential: MD
Location Address285 E STATE ST, STE 430Columbus, OH 43215-4354
Mailing Address5350 Frantz RdDublin, OH 43016-4259
Phone(614) 566-9777
Fax(614) 566-8611
Sole ProprietorNo
Enumeration DateOctober 24, 2005
Last NPPES UpdateDecember 22, 2021
✔ NPI 1669462446 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in OH · 35071103
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedPsychiatry & Neurology · Vascular NeurologyTaxonomy 2084V0102X · License 35071103 (OH)
285 E STATE ST, Columbus, OH 43215
Open in Google Maps ↗

Other Identifiers 1

Medicaid2066955OH

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Emil Carroll Md 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 William Carroll reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ohiohealth Corporation
0.1 mi
Anesthesiology
111 S GRANT AVE FL 3
Columbus, OH 43215
  • Reassigned Medicare billing, Ohio enrollment
  • 3,314 clinicians in this Medicare group
NPI 1407292105 (614) 566-8808

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.

Injection, onabotulinumtoxina, 1 unit J0585
Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.
8,500 services17 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
208 services116 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
28 services28 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
24 services21 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43215 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.3/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.58
Promoting Interoperability98
Improvement Activities40
Cost65.77

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.

DR. CRAIG WARREN ANDERSON M.D.
Pediatrics (Neonatal-Perinatal Medicine)
285 E STATE ST, SUITE 520
COLUMBUS, OH 43215
Franklin County (614) 566-9683
DR. DEEPA RANI HALAHARVI D.O
Surgery
285 E STATE ST, SUITE 300
COLUMBUS, OH 43215
Franklin County (614) 566-0774
DANA MARIE FRAZER MD
Surgery
285 E STATE ST, SUITE 620
COLUMBUS, OH 43215
Franklin County (614) 469-7621
DIANA HARLESS
Nurse Practitioner (Family)
285 E STATE ST, STE 460
COLUMBUS, OH 43215
Franklin County (614) 566-9601
DR. CHRISTINE MARY HABIB M.D.
Surgery
285 E STATE ST, SUITE 300
COLUMBUS, OH 43215
Franklin County (614) 566-0774
STEPHANIE D GOODMAN CNP
Nurse Practitioner
285 E STATE ST, SUITE 150
COLUMBUS, OH 43215
Franklin County (614) 460-6100
OHIO HEALLTH
General Acute Care Hospital
285 E STATE ST, SUITE670
COLUMBUS, OH 43215
Franklin County (614) 566-9718
ALBERT JAMES CAMPBELL III MD
Surgery
285 E STATE ST, SUITE 640
COLUMBUS, OH 43215
Franklin County (614) 566-7444

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 William Carroll's NPI number?

The NPI number for William Carroll is 1669462446. It was assigned to this individual provider in the NPPES registry on October 24, 2005.

Where is William Carroll located?

William Carroll practices at 285 E State St Ste 430, Columbus, OH 43215. The listed phone number is (614) 566-9777.

What is William Carroll's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is William Carroll enrolled in Medicare?

Yes. William Carroll is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Carroll's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Carroll reassigns Medicare benefits to Ohiohealth Corporation (Columbus, OH). 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 William Carroll's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for William Carroll was last updated on December 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.