DR. STUART D LEWIS M.D.
NPI 1023158268
Internal Medicine - Geriatric Medicine in Lebanon, NH
About Dr. Stuart D Lewis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STUART D LEWIS M.D. (NPI 1023158268) is an individual geriatric medicine provider in Lebanon, New Hampshire, licensed in New Hampshire (21459) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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. Stuart D Lewis 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.
Medicare Billing Reassignments
3Medicare enrollment records show Stuart Lewis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire and Vermont enrollments
- 2,999 clinicians in this Medicare group
New York, NY 10016
- Reassigned Medicare billing, New York enrollment
- 63 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 9
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHNew London Hospital
Critical Access Hospitals · New London, NHAlice Peck Day Memorial Hospital
Critical Access Hospitals · Lebanon, NHMt Ascutney Hospital
Critical Access Hospitals · Windsor, VTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03756 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
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 Stuart Lewis's NPI number?
The NPI number for Stuart Lewis is 1023158268. It was assigned to this individual provider in the NPPES registry on February 7, 2007.
Where is Stuart Lewis located?
Stuart Lewis practices at 1 Medical Center Dr, Lebanon, NH 03756. The listed phone number is (603) 653-9500.
What is Stuart Lewis's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Stuart Lewis enrolled in Medicare?
Yes. Stuart 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 organizations bill Medicare for Stuart Lewis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stuart Lewis reassigns Medicare benefits to 3 organizations: Mary Hitchcock Memorial Hospital (Lebanon, NH), Dartmouth-Hitchcock Clinic (Lebanon, NH) and Marcus Avenue Medical PC (New York, NY). 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 Stuart Lewis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stuart Lewis accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Stuart 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.
Is Stuart Lewis affiliated with any hospitals?
According to CMS data, Stuart Lewis is affiliated with Mary Hitchcock Memorial Hospital, New London Hospital, Alice Peck Day Memorial Hospital and Mt Ascutney Hospital.
When was this NPI record last updated?
The NPPES record for Stuart Lewis was last updated on December 12, 2025. 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.