DR. LINDA L LEWALLEN MD
NPI 1437224201
Internal Medicine in Methuen, MA
About Dr. Linda L Lewallen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LINDA L LEWALLEN MD (NPI 1437224201) is an individual internal medicine provider in Methuen, Massachusetts, licensed in Vermont (042.0040021) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Chi St Alexius Health Dickinson, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 3
Other Identifiers 1
Accepted 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. Linda L Lewallen Md 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.
Medicare Billing Reassignments
9Medicare enrollment records show Linda Lewallen reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 clinicians in this Medicare group
Springfield, VT 05156
- Reassigned Medicare billing, Vermont enrollment
- 56 clinicians in this Medicare group
Rolesville, NC 27571
- Reassigned Medicare billing, North Carolina enrollment
- 1,337 clinicians in this Medicare group
Hartsville, SC 29550
- Reassigned Medicare billing, South Carolina enrollment
- 116 clinicians in this Medicare group
Murrells Inlet, SC 29576
- Reassigned Medicare billing, South Carolina enrollment
- 249 clinicians in this Medicare group
Georgetown, SC 29440
- Reassigned Medicare billing, South Carolina enrollment
- 261 clinicians in this Medicare group
Bamberg, SC 29003
- Reassigned Medicare billing, South Carolina enrollment
- 2,389 clinicians in this Medicare group
Savannah, GA 31405
- Reassigned Medicare billing, Georgia enrollment
- 74 clinicians in this Medicare group
Dickinson, ND 58601
- Reassigned Medicare billing, North Dakota enrollment
- Also billed through NPI 1992947956 (North Dakota)
- 401 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.
Areas of Expertise CMS Part B claims 4
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Chi St Alexius Health Dickinson
Critical Access Hospitals · Dickinson, NDSpringfield Hospital
Critical Access Hospitals · Springfield, VTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01844 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
METHUEN, MA 01844
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 Linda Lewallen's NPI number?
The NPI number for Linda Lewallen is 1437224201. It was assigned to this individual provider in the NPPES registry on November 21, 2006.
Where is Linda Lewallen located?
Linda Lewallen practices at 70 East St, Methuen, MA 01844. The listed phone number is (941) 315-2217.
What is Linda Lewallen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Linda Lewallen enrolled in Medicare?
Yes. Linda Lewallen 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 Linda Lewallen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Linda Lewallen reassigns Medicare benefits to 9 organizations: Steward Medical Group, Inc (Watertown, MA), Springfield Hospital (Springfield, VT), Unc Physicians Network, LLC (Rolesville, NC), Hartsville Medical Group LLC (Hartsville, SC), Waccamaw Community Hospital (Murrells Inlet, SC) and 4 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 Linda Lewallen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Linda Lewallen accept?
Health plans from Blue Cross Blue Shield of North Dakota and First Choice Next list Linda Lewallen 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 Linda Lewallen affiliated with any hospitals?
According to CMS data, Linda Lewallen is affiliated with Chi St Alexius Health Dickinson and Springfield Hospital.
When was this NPI record last updated?
The NPPES record for Linda Lewallen was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Linda L Lewallen, MD · NPI 1437224201
Internal Medicine physician in Methuen, Massachusetts. Individual provider, active in the CMS NPPES registry since November 21, 2006.
## Identity
- **NPI:** 1437224201 (Entity type: Individual)
- **Enumerated:** November 21, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 042.0040021 (Vermont)
- **Sole proprietor:** No
## Practice location
- **Address:** 70 EAST ST, Methuen, MA 01844-4597
- **Phone:** (941) 315-2217
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Steward Medical Group, Inc (NPI 1629398219, Watertown, MA); Springfield Hospital (NPI 1033225875, Springfield, VT); Unc Physicians Network, LLC (NPI 1063797702, Rolesville, NC); Hartsville Medical Group LLC (NPI 1598995300, Hartsville, SC); Waccamaw Community Hospital (NPI 1972503910, Murrells Inlet, SC); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** April 9, 2026
- **Other identifiers:** Medicaid 2782758-00 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1437224201) · Data from the CMS NPPES public registry.