DENNIS S LIN M.D.
NPI 1083648737
Anesthesiology in Winchester, MA
About Dennis S Lin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DENNIS S LIN M.D. (NPI 1083648737) is an individual anesthesiology provider in Winchester, Massachusetts, licensed in Massachusetts (81558) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Winchester Hospital, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1987).
NPPES Registry Identity
Specialties & Licenses
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
Dennis S Lin 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
2Medicare enrollment records show Dennis Lin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 88 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 105 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 6
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Winchester Hospital
Acute Care Hospitals · Winchester, MAMedicare 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.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WINCHESTER, MA 01890
WINCHESTER, MA 01890
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 Dennis Lin's NPI number?
The NPI number for Dennis Lin is 1083648737. It was assigned to this individual provider in the NPPES registry on July 10, 2006.
Where is Dennis Lin located?
Dennis Lin practices at Winchester Hospital 41 Highland Avenue, Winchester, MA 01890. The listed phone number is (781) 756-7243.
What is Dennis Lin's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Dennis Lin enrolled in Medicare?
Yes. Dennis Lin 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 Dennis Lin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Lin reassigns Medicare benefits to 2 organizations: Winchester Anesthesia Associates 2 Inc (Winchester, MA) and Winchester Anesthesia Associates, Inc (Winchester, MA). 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 Dennis Lin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dennis Lin accept?
Health plans from Taro Health list Dennis Lin 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 Dennis Lin affiliated with any hospitals?
According to CMS data, Dennis Lin is affiliated with Winchester Hospital.
When was this NPI record last updated?
The NPPES record for Dennis Lin was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dennis S Lin, M.D. · NPI 1083648737
Anesthesiology physician in Winchester, Massachusetts. Individual provider, active in the CMS NPPES registry since July 10, 2006.
## Identity
- **NPI:** 1083648737 (Entity type: Individual)
- **Enumerated:** July 10, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 81558 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** WINCHESTER HOSPITAL, 41 HIGHLAND AVENUE, Winchester, MA 01890
- **Phone:** (781) 756-7243
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Winchester Anesthesia Associates 2 Inc (NPI 1427599588, Winchester, MA); Winchester Anesthesia Associates, Inc (NPI 1972626117, Winchester, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Jefferson Medical College Of Thomas Jefferson University, class of 1987
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1083648737) · Data from the CMS NPPES public registry.