MAXINE A WALLEN-LEWIS CRNP
NPI 1386374510
Nurse Practitioner - Family in Eldersburg, MD

Active since June 11, 2022PECOS EnrolledAccepts Medicare Assignment
1380 PROGRESS WAY STE 102, ELDERSBURG, MD 21784(410) 795-0257 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jan 8, 2026, Jun 11, 2022 (2 updates tracked since 2022).

About Maxine A Wallen-lewis Crnp NPPES

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

MAXINE A WALLEN-LEWIS CRNP (NPI 1386374510) is an individual family provider in Eldersburg, Maryland, licensed in Maryland (R119466) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Baltimore, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1386374510
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMAXINE A WALLEN-LEWISCredential: CRNP
Location Address1380 PROGRESS WAY STE 102Eldersburg, MD 21784-6498
Mailing Address200 Memorial Ave, Payor Credentialing DepartmentWestminster, MD 21157-5726 · (410) 871-6864 · Fax (410) 871-6516
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateJune 11, 2022
Last NPPES UpdateJanuary 8, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 8, 2026
✔ NPI 1386374510 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MD · R119466
1380 PROGRESS WAY STE 102, Eldersburg, MD 21784

Secondary Practice Location 1

Location 17831 Big Buck DrBaltimore, MD 21244-2068 · Phone (443) 803-3937

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

Maxine A Wallen-lewis Crnp 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 ID4284109182
PECOS Enrollment IDI20260408002457
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 Maxine Wallen-lewis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
200 MEMORIAL AVE
Westminster, MD 21157
  • Reassigned Medicare billing, Maryland enrollment
  • 104 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 21784 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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 7

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

Radiology (Diagnostic Radiology)
1380 PROGRESS WAY STE 102
ELDERSBURG, MD 21784
Family Medicine
1380 PROGRESS WAY STE 102
ELDERSBURG, MD 21784
Obstetrics & Gynecology
1380 PROGRESS WAY STE 102
ELDERSBURG, MD 21784
Family Medicine
1380 PROGRESS WAY STE 102
ELDERSBURG, MD 21784
Nurse Practitioner (Family)
1380 PROGRESS WAY STE 102
ELDERSBURG, MD 21784
Nurse Practitioner (Family)
1380 PROGRESS WAY STE 102
ELDERSBURG, MD 21784
Orthopaedic Surgery
1380 PROGRESS WAY STE 102
ELDERSBURG, MD 21784

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 Maxine Wallen-lewis's NPI number?

The NPI number for Maxine Wallen-lewis is 1386374510. It was assigned to this individual provider in the NPPES registry on June 11, 2022.

Where is Maxine Wallen-lewis located?

Maxine Wallen-lewis practices at 1380 Progress Way Ste 102, Eldersburg, MD 21784. The listed phone number is (410) 795-0257.

What is Maxine Wallen-lewis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Maxine Wallen-lewis enrolled in Medicare?

Yes. Maxine Wallen-lewis 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 organization bills Medicare for Maxine Wallen-lewis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maxine Wallen-lewis reassigns Medicare benefits to Carroll Health Group, LLC (Westminster, MD). 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 Maxine Wallen-lewis'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 Maxine Wallen-lewis was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.