DR. WILLIAM STEWART HORSLEY M.D.
NPI 1841341369
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Columbus, MS

Active since January 12, 2007PECOS EnrolledAccepts Medicare Assignment
76.51/100
CMS Quality Rating
255 BAPTIST BLVD STE 401, COLUMBUS, MS 39705(662) 244-2288(662) 244-2289 Get Directions Write a Review

NPPES record last updated: May 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 18, 2026, May 5, 2026, Mar 13, 2026 and 3 more (6 updates tracked since 2018).

About Dr. William Stewart Horsley M.d. NPPES

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

DR. WILLIAM STEWART HORSLEY M.D. (NPI 1841341369) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Columbus, Mississippi, licensed in Mississippi (15937) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Medical Center - Jacksonville, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1841341369
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameDR. WILLIAM STEWART HORSLEYCredential: M.D.
Location Address255 BAPTIST BLVD STE 401Columbus, MS 39705-2006
Mailing Address438 Saint Andrews DrJackson, MS 39211-2523
Fax(662) 244-2289
Sole ProprietorNo
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 1989
Enumeration DateJanuary 12, 2007
Last NPPES UpdateMay 18, 20266 updates tracked since enumeration
NPPES CertifiedMay 18, 2026
NPI 1841341369 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License Licensed in MS · 15937
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
Also ListedHospitalistTaxonomy 208M00000X · License ME170618 (FL)
255 BAPTIST BLVD STE 401, Columbus, MS 39705

Secondary Practice Locations 5

Location 15295 Preserve Pkwy Ste 260Hoover, AL 35244-4703 · Phone (205) 510-5000 · Fax (205) 599-9056
Location 21004 1st St N Ste 270Alabaster, AL 35007-8798 · Phone (205) 620-7523 · Fax (205) 620-8667
Location 39981 S Healthpark DrFort Myers, FL 33908-3618 · Phone (239) 343-6341 · Fax (239) 343-4242
Location 4833 Princeton Ave SW Ste 200FBirmingham, AL 35211-1321 · Phone (205) 785-3218 · Fax (205) 786-6227
Location 52018 Brookwood Medical Ctr Dr Ste 215Birmingham, AL 35209-6870 · Phone (205) 877-2627 · Fax (205) 802-6590

Other Identifiers 1

Medicaid124691000FL

Accepted 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

Dr. William Stewart Horsley M.d. 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 ID143396010
PECOS Enrollment IDI20241010002265
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.

Areas of Expertise CMS Part B claims 4

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.

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.
49 services49 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
31 services31 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.
20 services20 patients
Removal of blood clot and portion of chest, neck, or brain artery 35301
This procedure involves the removal of a blood clot and a section of an artery in the chest, neck, or brain. It is often necessary to restore normal blood flow, prevent stroke, or alleviate symptoms related to the clot. The procedure is carried out by a skilled medical team.
12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Baptist Health Medical Center - Jacksonville

Acute Care Hospitals · Jacksonville, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100088
Location800 Prudential DrJacksonville, FL 32207 · Duval County
Emergency services Birthing friendly

Hca Florida Memorial Hospital

Acute Care Hospitals · Jacksonville, FL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number100179
Location3625 University Blvd SJacksonville, FL 32216 · Duval County
Emergency services Birthing friendly

Hca Florida Orange Park Hospital

Acute Care Hospitals · Orange Park, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number100226
Location2001 Kingsley AveOrange Park, FL 32073 · Clay County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39705 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
$159.18 typical visit price
range $51.65 – $159.18
Typical copayment $39.79 (range $12.91 – $39.79)
Most-billed visit code 99205
Established Patient
$64.96 typical visit price
range $16.15 – $129.61
Typical copayment $16.24 (range $4.03 – $32.40)
Most-billed visit code 99213
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.

76.51/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.53
Promoting Interoperability82
Improvement Activities40
Cost66.19

Other Providers at the Same Location NPPES 3

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

Thoracic Surgery (Cardiothoracic Vascular Surgery)
255 BAPTIST BLVD STE 401
COLUMBUS, MS 39705
Physician Assistant (Surgical)
255 BAPTIST BLVD STE 401
COLUMBUS, MS 39705
Physician Assistant
255 BAPTIST BLVD STE 401
COLUMBUS, MS 39705

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 Horsley's NPI number?

The NPI number for William Horsley is 1841341369. It was assigned to this individual provider in the NPPES registry on January 12, 2007.

Where is William Horsley located?

William Horsley practices at 255 Baptist Blvd Ste 401, Columbus, MS 39705. The listed phone number is (662) 244-2288.

What is William Horsley's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is William Horsley enrolled in Medicare?

Yes. William Horsley 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 William Horsley accept?

Health plans from AvMed, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Molina Healthcare and Oscar Health Maintenance Organization of Florida list William Horsley 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 William Horsley affiliated with any hospitals?

According to CMS data, William Horsley is affiliated with Baptist Health Medical Center - Jacksonville, Hca Florida Memorial Hospital and Hca Florida Orange Park Hospital.

When was this NPI record last updated?

The NPPES record for William Horsley was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.