LINDSAY M DEMSEY PA-C
NPI 1992079883
Physician Assistant in Winchester, MA

Active since February 24, 2012PECOS EnrolledAccepts Medicare Assignment
955 MAIN ST, WINCHESTER, MA 01890(781) 729-4878(781) 729-5989 Get Directions Write a Review

NPPES record last updated: December 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 10, 2025, Oct 1, 2019 (2 updates tracked since 2019).

About Lindsay M Demsey Pa-c NPPES

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

LINDSAY M DEMSEY PA-C (NPI 1992079883) is an individual physician assistant in Winchester, Massachusetts, licensed in Massachusetts (PA4282) and active in the NPI registry since February 2012. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and maintains a secondary practice location in Swampscott.

NPPES Registry Identity

NPI1992079883
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameLINDSAY M DEMSEYCredential: PA-C
Location Address955 MAIN STWinchester, MA 01890-1961
Mailing Address86 Centre StDanvers, MA 01923-1424
Fax(781) 729-5989
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2011
Enumeration DateFebruary 24, 2012
Last NPPES UpdateDecember 10, 20252 updates tracked since enumeration
NPPES CertifiedDecember 10, 2025
NPI 1992079883 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in MA · PA4282
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedDermatologyTaxonomy 207N00000X · License PA4282 (MA)
955 MAIN ST, Winchester, MA 01890

Secondary Practice Location 1

Location 1990 Paradise RdSwampscott, MA 01907-1395 · Phone (781) 595-0151

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Lindsay M Demsey Pa-c 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 ID6103041348
PECOS Enrollment IDI20140702001615
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.

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
167 services105 patients
Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
111 services28 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
72 services72 patients
Destruction of precancer skin growth, 1 growth 17000
"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.
55 services42 patients
Biopsy of related skin growth, first growth 11102
A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.
39 services35 patients
Destruction of skin growth, 1-14 growths 17110
"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.
39 services28 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01890 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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 20

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

Dentist (Pediatric Dentistry)
955 MAIN ST
WINCHESTER, MA 01890
Specialist
955 MAIN ST, SUITE G6
WINCHESTER, MA 01890
Physician Assistant (Medical)
955 MAIN ST
WINCHESTER, MA 01890
Dentist (Pediatric Dentistry)
955 MAIN ST
WINCHESTER, MA 01890
Specialist
955 MAIN ST, SUITE G2A
WINCHESTER, MA 01890
Pediatrics
955 MAIN ST, STE 103
WINCHESTER, MA 01890
Physician Assistant
955 MAIN ST
WINCHESTER, MA 01890
Ophthalmology
955 MAIN ST, STE 108
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 Lindsay Demsey's NPI number?

The NPI number for Lindsay Demsey is 1992079883. It was assigned to this individual provider in the NPPES registry on February 24, 2012.

Where is Lindsay Demsey located?

Lindsay Demsey practices at 955 Main St, Winchester, MA 01890. The listed phone number is (781) 729-4878.

What is Lindsay Demsey's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Lindsay Demsey enrolled in Medicare?

Yes. Lindsay Demsey 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.

What insurance does Lindsay Demsey accept?

Health plans from Anthem Blue Cross and Blue Shield list Lindsay Demsey 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 Lindsay Demsey affiliated with any hospitals?

According to CMS data, Lindsay Demsey is affiliated with North Shore Medical Center -.

When was this NPI record last updated?

The NPPES record for Lindsay Demsey was last updated on December 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.