WILLIAM MARK LEWIS M.D.
NPI 1346341054
Family Medicine in Forest, MS

Active since September 26, 2006PECOS Enrolled
1 MEDICAL LN, FOREST, MS 39074(601) 469-4861(601) 469-1238 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About William Mark Lewis M.d. NPPES

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

WILLIAM MARK LEWIS M.D. (NPI 1346341054) is an individual family medicine provider in Forest, Mississippi, licensed in Mississippi (08948) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346341054
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameWILLIAM MARK LEWISCredential: M.D.
Location Address1 MEDICAL LNForest, MS 39074-4039
Mailing Address1 Medical LnForest, MS 39074-4039 · (601) 469-4861 · Fax (601) 469-1238
Fax(601) 469-1238
Sole ProprietorYes
Enumeration DateSeptember 26, 2006
Last NPPES UpdateJuly 9, 2007
✔ NPI 1346341054 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MS · 08948
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1 MEDICAL LN, Forest, MS 39074

Other Identifiers 3

Medicaid0116045MS
Medicare ID-Type Unspecified080000046MS · Medicare
Medicare UPINB30234MS

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Mark Lewis M.d. 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 Lewis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinic/Center
516 AIRPORT RD
Forest, MS 39074
  • Reassigned Medicare billing, Mississippi enrollment
  • Also billed through NPI 1306909734 (Mississippi)
  • 94 clinicians in this Medicare group

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 39074 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
$80.50 typical visit price
range $51.65 – $159.18
Typical copayment $20.12 (range $12.91 – $39.79)
Most-billed visit code 99203
Established Patient
$92.20 typical visit price
range $16.15 – $129.61
Typical copayment $23.05 (range $4.03 – $32.40)
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 6

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

Family Medicine
1 MEDICAL LN
FOREST, MS 39074
Nurse Practitioner (Psychiatric/Mental Health)
1 MEDICAL LN
FOREST, MS 39074
Clinical Medical Laboratory
1 MEDICAL LN
FOREST, MS 39074
Nurse Practitioner
1 MEDICAL LN
FOREST, MS 39074
Family Medicine
1 MEDICAL LN
FOREST, MS 39074
Family Medicine
1 MEDICAL LN
FOREST, MS 39074

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 Lewis's NPI number?

The NPI number for William Lewis is 1346341054. It was assigned to this individual provider in the NPPES registry on September 26, 2006.

Where is William Lewis located?

William Lewis practices at 1 Medical Ln, Forest, MS 39074. The listed phone number is (601) 469-4861.

What is William Lewis's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is William Lewis enrolled in Medicare?

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

Which organization bills Medicare for William Lewis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Lewis reassigns Medicare benefits to Independent Healthcare Management, Inc. (Forest, MS). 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 Lewis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Lewis accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee list William Lewis 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 William Lewis was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.