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MS. MARY LANCASTER NP
NPI 1164899845
Nurse Practitioner in Natchitoches, LA

Active since August 28, 2015PECOS Enrolled
1640 BREAZEALE SPRINGS ST, NATCHITOCHES, LA 71457(318) 352-9299(318) 521-8031 Get Directions Write a Review

NPPES record last updated: October 19, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 19, 2020, Oct 17, 2020 (2 updates tracked since 2020).

About Ms. Mary Lancaster Np NPPES

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

MS. MARY LANCASTER NP (NPI 1164899845) is an individual nurse practitioner in Natchitoches, Louisiana, licensed in Louisiana (AP08326) and active in the NPI registry since August 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164899845
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. MARY LANCASTERCredential: NP
Location Address1640 BREAZEALE SPRINGS STNatchitoches, LA 71457-4278
Mailing Address105 Jefferson St OfcNatchitoches, LA 71457-4350 · (318) 357-2056 · Fax (318) 521-8031
Phone(318) 352-9299
Fax(318) 521-8031
Sole ProprietorNo
Enumeration DateAugust 28, 2015
Last NPPES UpdateOctober 19, 20202 updates tracked since enumeration
NPPES CertifiedOctober 19, 2020
✔ NPI 1164899845 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in LA · AP08326
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · Community HealthTaxonomy 363LC1500X · License AP08326 (LA)
1640 BREAZEALE SPRINGS ST, Natchitoches, LA 71457
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Other Identifiers 2

OtherAP08326LA · License
Medicaid2433601LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan 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 (PECOS)

Ms. Mary Lancaster Np 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 Mary Lancaster reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Outpatient Medical Center, Inc.
Same address
Federally Qualified Health Center (FQHC)
1640 BREAZEALE SPRINGS ST
Natchitoches, LA 71457
  • Reassigned Medicare billing, Louisiana enrollment
  • 14 clinicians in this Medicare group
NPI 1871523266 (318) 352-9299

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 71457 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 9

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

KRYSTLE CASH-SHAW NP-C
Nurse Practitioner (Family)
1640 BREAZEALE SPRINGS ST
NATCHITOCHES, LA 71457
Natchitoches Parish (318) 352-9299
DR. CHERILYNNE TONI COTTLES M.D.
Family Medicine
1640 BREAZEALE SPRINGS ST
NATCHITOCHES, LA 71457
Natchitoches Parish (318) 352-9299
JAMEEL COURTNEY HEALTH EDUCATOR
Health Educator
1640 BREAZEALE SPRINGS ST
NATCHITOCHES, LA 71457
Natchitoches Parish (318) 352-9299
ANDRELL JENE RILEY PARRETT FNP-C
Nurse Practitioner (Family)
1640 BREAZEALE SPRINGS ST
NATCHITOCHES, LA 71457
Natchitoches Parish (318) 352-9299
DEXTER HUMPHREY HEALTH EDUCATOR
Health Educator
1640 BREAZEALE SPRINGS ST
NATCHITOCHES, LA 71457
Natchitoches Parish (318) 352-9299
JOAN WALKER MD
Family Medicine
1640 BREAZEALE SPRINGS ST
NATCHITOCHES, LA 71457
Natchitoches Parish (318) 357-2056
OUTPATIENT MEDICAL CENTER, INC.
Clinic/Center (Federally Qualified Health Center (FQHC))
1640 BREAZEALE SPRINGS ST
NATCHITOCHES, LA 71457
Natchitoches Parish (318) 352-9299
LATWANA MATTHEW
Nurse Practitioner (Family)
1640 BREAZEALE SPRINGS ST
NATCHITOCHES, LA 71457
Natchitoches Parish (318) 352-9299

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 Mary Lancaster's NPI number?

The NPI number for Mary Lancaster is 1164899845. It was assigned to this individual provider in the NPPES registry on August 28, 2015.

Where is Mary Lancaster located?

Mary Lancaster practices at 1640 Breazeale Springs St, Natchitoches, LA 71457. The listed phone number is (318) 352-9299.

What is Mary Lancaster's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mary Lancaster enrolled in Medicare?

Yes. Mary Lancaster is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Lancaster's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Lancaster reassigns Medicare benefits to Outpatient Medical Center, Inc. (Natchitoches, LA). 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 Mary Lancaster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Lancaster accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and CHRISTUS Health Plan and 2 other insurers list Mary Lancaster 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 Mary Lancaster was last updated on October 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.