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DR. MICHAEL COURTNEY WINDHAM M.D.
NPI 1861697740
Internal Medicine - Gastroenterology in Greenwood, SC

Active since June 19, 2007PECOS EnrolledAccepts Medicare Assignment
160 ACADEMY AVE, GREENWOOD, SC 29646(864) 223-8090 Get Directions Write a Review

NPPES record last updated: April 10, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 10, 2025, Apr 15, 2024, Aug 31, 2020 and 1 more (4 updates tracked since 2016).

About Dr. Michael Courtney Windham M.d. NPPES

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

DR. MICHAEL COURTNEY WINDHAM M.D. (NPI 1861697740) is an individual gastroenterology provider in Greenwood, South Carolina, licensed in South Carolina (82452) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Lee Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1861697740
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MICHAEL COURTNEY WINDHAMCredential: M.D.
Location Address160 ACADEMY AVEGreenwood, SC 29646-3808
Mailing Address1980 Friendship Rd Ste 104Hoschton, GA 30548-4154 · (678) 987-1480 · Fax (678) 987-1481
Phone(864) 223-8090
Sole ProprietorYes
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2007
Enumeration DateJune 19, 2007
Last NPPES UpdateApril 10, 20254 updates tracked since enumeration
NPPES CertifiedApril 10, 2025
✔ NPI 1861697740 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in SC · 82452✔ Licensed in GA · 72729
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD039917 (DC), 0101252282 (VA), 46491 (TN)
Also ListedHospitalistTaxonomy 208M00000X · License ME142085 (FL)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
160 ACADEMY AVE, Greenwood, SC 29646
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11498 Jesse Jewell Pkwy SE, suite aGainesville, GA 30501-3874 · Phone (678) 987-1498 · Fax (678) 987-1499
Location 23 Richland Medical Park Dr Ste 120Columbia, SC 29203-6850 · Phone (803) 434-8866

Other Identifiers 1

Medicaid125639200FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Antidote Health Plan of Ohio, Inc., Cigna Healthcare and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael Courtney Windham 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 ID2668668393
PECOS Enrollment IDI20150331000979, I20200911000988, I20240828000810, I20250328003212
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 Reassignments

17

Medicare enrollment records show Michael Windham reassigns Medicare billing to 17 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Self Medical Group
Same address
Vascular Surgery
160 ACADEMY AVE
Greenwood, SC 29646
  • Reassigned Medicare billing, South Carolina enrollment
  • 560 clinicians in this Medicare group
NPI 1124488895 (864) 223-8090
Anmed Health
34 mi
Plastic Surgery
7 LINWA BLVD
Anderson, SC 29621
  • Reassigned Medicare billing, South Carolina enrollment
  • 381 clinicians in this Medicare group
NPI 1457712499 (864) 367-0197
Spartanburg Medical Center
47 mi
Gastroenterology
2755 S HIGHWAY 14, SUITE 2100
Greer, SC 29650
  • Reassigned Medicare billing, South Carolina enrollment
  • 29 clinicians in this Medicare group
NPI 1457440307 (864) 849-9140
Bon Secours Medical Group Greenville Specialty Care LLC
48 mi
Cardiovascular Disease
1 SAINT FRANCIS DR
Greenville, SC 29601
  • Reassigned Medicare billing, South Carolina enrollment
  • 389 clinicians in this Medicare group
NPI 1821679580 (864) 603-6099
Beaufort County Memorial Hospital
111 mi
Rural Health
1000 PINE STREET WEST
Varnville, SC 29944
  • Reassigned Medicare billing, South Carolina enrollment
  • 212 clinicians in this Medicare group
NPI 1033175344 (803) 943-5228
Newco Gi LLC
114 mi
Gastroenterology
4150 DEPUTY BILL CANTRELL MEMORIAL RD, SUITE 290
Cumming, GA 30040
  • Reassigned Medicare billing, Georgia enrollment
  • 17 clinicians in this Medicare group
NPI 1073999066 (404) 446-0600
Grady Memorial Hospital Corporation
131 mi
Family Medicine
80 JESSE HILL JR DR SE, BOX 26019
Atlanta, GA 30303
  • Reassigned Medicare billing, Georgia enrollment
  • Also billed through NPI 1649765686 (Georgia)
  • 771 clinicians in this Medicare group
NPI 1114243813 (404) 616-8880
Piedmont Providers LLC
135 mi
Internal Medicine
220 J L WHITE DR STE 120
Jasper, GA 30143
  • Reassigned Medicare billing, Georgia enrollment
  • 689 clinicians in this Medicare group
NPI 1548273592 (770) 801-2500
Columbus Ambulatory Healthcare Services, Inc.
201 mi
Family Medicine
1800 10TH AVE
Columbus, GA 31901
  • Reassigned Medicare billing, Georgia enrollment
  • 391 clinicians in this Medicare group
NPI 1790733244 (706) 571-1120
Tift Regional Health System Inc
202 mi
Pediatrics
39 KENT RD STE 5
Tifton, GA 31794
  • Reassigned Medicare billing, Georgia enrollment
  • 337 clinicians in this Medicare group
NPI 1366765166 (229) 353-7337

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.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
34 services34 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
20 services20 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
17 services12 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
13 services13 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Lee Memorial Hospital

Acute Care Hospitals · Fort Myers, FL
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number100012
Location2776 Cleveland AveFort Myers, FL 33901 · Lee County
Emergency services Birthing friendly

Gulf Coast Medical Center Lee Health

Acute Care Hospitals · Fort Myers, FL
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number100220
Location13681 Doctors WayFort Myers, FL 33912 · Lee County
Emergency services

Piedmont Rockdale Hospital

Acute Care Hospitals · Conyers, GA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number110091
Location1412 Milstead Avenue, NEConyers, GA 30012 · Rockdale County
Birthing friendly

Mercy Health - Lourdes Hospital

Acute Care Hospitals · Paducah, KY
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number180102
Location1530 Lone Oak RoadPaducah, KY 42003 · Mc Cracken County
Emergency services Birthing friendly

Beaufort County Memorial Hospital

Acute Care Hospitals · Beaufort, SC
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number420067
Location955 Ribaut RdBeaufort, SC 29902 · Beaufort County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29646 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
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
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.

ANAS ABDEL AZIM M.D., M.SC
Surgery (Vascular Surgery)
160 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 223-8090
SELF MEDICAL GROUP
Surgery (Vascular Surgery)
160 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 223-8090
MARGARET MAYLON BOVARD PA
Physician Assistant (Surgical)
160 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 223-8090
GREENWOOD SURGICAL ASSOC.
Surgery
160 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 223-8090
CAROLINE DUFFY SOUTER NP
Nurse Practitioner
160 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 223-8090
ALEXANDRE WANG
Surgery
160 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (864) 223-8090
ALEXANDRA NICOLE LEWIS PA-C
Physician Assistant (Surgical)
160 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (862) 233-8090
SANTOSH SWAMINATHAN
Surgery
160 ACADEMY AVE
GREENWOOD, SC 29646
Greenwood County (203) 805-2357

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 Michael Windham's NPI number?

The NPI number for Michael Windham is 1861697740. It was assigned to this individual provider in the NPPES registry on June 19, 2007.

Where is Michael Windham located?

Michael Windham practices at 160 Academy Ave, Greenwood, SC 29646. The listed phone number is (864) 223-8090.

What is Michael Windham's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Michael Windham enrolled in Medicare?

Yes. Michael Windham 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.

Which organizations bill Medicare for Michael Windham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Windham reassigns Medicare benefits to 17 organizations: Self Medical Group (Greenwood, SC), Anmed Health (Anderson, SC), Spartanburg Medical Center (Greer, SC), Bon Secours Medical Group Greenville Specialty Care LLC (Greenville, SC), Beaufort County Memorial Hospital (Varnville, SC) and 12 more organizations, listed in the Medicare section above. Each 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 Michael Windham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Windham accept?

Health plans from AmeriHealth Caritas Next, Antidote Health Plan of Ohio, Inc., Cigna Healthcare and First Choice Next list Michael Windham 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 Michael Windham affiliated with any hospitals?

According to CMS data, Michael Windham is affiliated with Lee Memorial Hospital, Gulf Coast Medical Center Lee Health, Piedmont Rockdale Hospital, Mercy Health - Lourdes Hospital and Beaufort County Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Michael Windham was last updated on April 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.