SARAH K LYNAUGH MD
NPI 1205840931
Internal Medicine in Longmeadow, MA
About Sarah K Lynaugh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH K LYNAUGH MD (NPI 1205840931) is an individual internal medicine provider in Longmeadow, Massachusetts, licensed in Massachusetts (218087) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Baystate Wing Hospital, and maintains a secondary practice location in East Longmeadow.
NPPES Registry Identity
Specialties & Licenses
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
Sarah K Lynaugh 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 Reassignment
Medicare enrollment records show Sarah Lynaugh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Springfield, MA 01199
- Reassigned Medicare billing, Massachusetts enrollment
- 1,537 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 11
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baystate Wing Hospital
Acute Care Hospitals · Palmer, MABaystate Noble Hospital
Acute Care Hospitals · Westfield, MABaystate Medical Center
Acute Care Hospitals · Springfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LONGMEADOW, MA 01106
LONGMEADOW, MA 01106
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 Sarah Lynaugh's NPI number?
The NPI number for Sarah Lynaugh is 1205840931. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is Sarah Lynaugh located?
Sarah Lynaugh practices at 21 Dwight Road Suite 104, Longmeadow, MA 01106. The listed phone number is (413) 794-4555.
What is Sarah Lynaugh's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sarah Lynaugh enrolled in Medicare?
Yes. Sarah Lynaugh 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 Sarah Lynaugh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Lynaugh reassigns Medicare benefits to Baystate Medical Practices, Inc (Springfield, MA). 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 Sarah Lynaugh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Lynaugh accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Sarah Lynaugh 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 Sarah Lynaugh affiliated with any hospitals?
According to CMS data, Sarah Lynaugh is affiliated with Baystate Wing Hospital, Baystate Noble Hospital and Baystate Medical Center.
When was this NPI record last updated?
The NPPES record for Sarah Lynaugh was last updated on December 21, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Sarah K Lynaugh, MD · NPI 1205840931
Internal Medicine physician in Longmeadow, Massachusetts. Individual provider, active in the CMS NPPES registry since July 28, 2006.
## Identity
- **NPI:** 1205840931 (Entity type: Individual)
- **Enumerated:** July 28, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 218087 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 21 DWIGHT ROAD, SUITE 104, Longmeadow, MA 01106
- **Phone:** (413) 794-4555 · **Fax:** (413) 794-9448
## 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:** Baystate Medical Practices, Inc (NPI 1548205909, Springfield, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of Ny Upstate Medical University, class of 2000
## Record status
- **NPPES last updated:** December 21, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1205840931) · Data from the CMS NPPES public registry.