DR. LEON DOUGLAS WILLIAMS M.D.
NPI 1386677102
Family Medicine in Innis, LA

Q: What is Leon Williams's NPI number?

The NPI number for Leon Williams is 1386677102. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Q: What is Leon Williams's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Leon Williams was last updated on December 30, 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.

Active since July 07, 2006PECOS EnrolledAccepts Medicare Assignment

6450 LOUISIANA HIGHWAY 1, INNIS, LA 70747(225) 492-3775(225) 492-3782 Get Directions Write a Review

NPPES record last updated: December 30, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Leon Douglas Williams M.d. NPPES

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

DR. LEON DOUGLAS WILLIAMS M.D. (NPI 1386677102) is an individual family medicine provider in Innis, Louisiana, licensed in Louisiana (200787) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Ohio (2004).

NPPES Registry Identity

NPI1386677102

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. LEON DOUGLAS WILLIAMSCredential: M.D.

Location Address6450 LOUISIANA HIGHWAY 1Innis, LA 70747

Mailing Address5524 Assembly Ct, Sacramento Community Clinic - AcSacramento, CA 95823-2625 · (916) 642-1867

Phone(225) 492-3775

Fax(225) 492-3782

Sole ProprietorNo

Medical School CMSMedical College Of OhioGraduated 2004

Enumeration DateJuly 7, 2006

Last NPPES UpdateDecember 30, 2021

NPPES CertifiedDecember 30, 2021

✔ NPI 1386677102 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in LA · 200787

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.

6450 LOUISIANA HIGHWAY 1, Innis, LA 70747

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Other Identifiers 1

Medicaid1071056LA

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. Leon Douglas Williams 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 ID4981795739

PECOS Enrollment IDI20150729009161

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

Medicare enrollment records show Leon Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc

1,753 mi

Internal Medicine

7373 WEST LANE
Stockton, CA 95210

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1548343510 (209) 476-2000

Health And Life Organization, Inc

1,765 mi

Federally Qualified Health Center (FQHC)

7275 E SOUTHGATE DR, SUITE 204
Sacramento, CA 95823

Reassigned Medicare billing, California enrollment
14 clinicians in this Medicare group

NPI 1740336734 (916) 428-3788

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 70747 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

$83.60 typical visit price

range $53.43 – $164.73

Typical copayment $20.90 (range $13.35 – $41.18)

Most-billed visit code 99203

Established Patient

$95.09 typical visit price

range $16.64 – $133.62

Typical copayment $23.77 (range $4.16 – $33.40)

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.

JESSICA SPEARS

Nurse Practitioner (Family)

6450 LOUISIANA HIGHWAY 1
INNIS, LA 70747

Pointe Coupee Parish (225) 492-3775

JENEE DESHOTELS WELLS LCSW

Social Worker (Clinical)

6450 LOUISIANA HIGHWAY 1
INNIS, LA 70747

Pointe Coupee Parish (225) 492-3775

LAWRENCE C CARTER M.D.

Family Medicine

6450 LOUISIANA HIGHWAY 1
INNIS, LA 70747

Pointe Coupee Parish (225) 492-3775

TERYL K EMERY D.O

Dentist (General Practice)

6450 LOUISIANA HIGHWAY 1
INNIS, LA 70747

Pointe Coupee Parish (225) 492-3775

ROCHELLE BOSSIER CHAPMAN LCSW

Social Worker (Clinical)

6450 LOUISIANA HIGHWAY 1, SUITE B
INNIS, LA 70747

Pointe Coupee Parish (225) 492-3775

EMILY F LITTLE

Dentist (General Practice)

6450 LOUISIANA HIGHWAY 1, SUITE B
INNIS, LA 70747

Pointe Coupee Parish (225) 492-3775

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 Leon Williams's NPI number?

The NPI number for Leon Williams is 1386677102. It was assigned to this individual provider in the NPPES registry on July 7, 2006.

Where is Leon Williams located?

Leon Williams practices at 6450 Louisiana Highway 1, Innis, LA 70747. The listed phone number is (225) 492-3775.

What is Leon Williams's specialty?

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

Is Leon Williams enrolled in Medicare?

Yes. Leon Williams 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 Leon Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leon Williams reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Stockton, CA) and Health And Life Organization, Inc (Sacramento, CA). 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 Leon Williams'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 Leon Williams was last updated on December 30, 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.