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KELSEY DARMSTATTER NP
NPI 1962110965
Nurse Practitioner in Woburn, MA

Active since November 08, 2022PECOS EnrolledAccepts Medicare Assignment
345 WASHINGTON ST UNIT 15A, WOBURN, MA 01801(781) 756-7040(781) 756-7045 Get Directions Write a Review

NPPES record last updated: February 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 15, 2024, Nov 8, 2022 (2 updates tracked since 2022).

About Kelsey Darmstatter Np NPPES

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

KELSEY DARMSTATTER NP (NPI 1962110965) is an individual nurse practitioner in Woburn, Massachusetts, licensed in Massachusetts (RN2306501) and active in the NPI registry since November 2022. She is enrolled in Medicare PECOS, is affiliated with Winchester Hospital, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1962110965
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameKELSEY DARMSTATTERCredential: NP
Location Address345 WASHINGTON ST UNIT 15AWoburn, MA 01801-2118
Mailing Address350 Revere Beach Blvd Apt 6-5lRevere, MA 02151-4851 · (781) 258-2692
Phone(781) 756-7040
Fax(781) 756-7045
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateNovember 8, 2022
Last NPPES UpdateFebruary 9, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2026
✔ NPI 1962110965 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MA · RN2306501
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
345 WASHINGTON ST UNIT 15A, Woburn, MA 01801
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health.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

Kelsey Darmstatter Np 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 ID2062877780
PECOS Enrollment IDI20230503000585
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Kelsey Darmstatter reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Winchester Physician Associates, Inc
3.2 mi
Internal Medicine
11 SHORE RD
Winchester, MA 01890
  • Reassigned Medicare billing, Massachusetts enrollment
  • 221 clinicians in this Medicare group
NPI 1184606865 (781) 729-1810
Beth Israel Lahey Health Specialty Care, Inc.
3.4 mi
Urology
41 MALL RD LAHEY HOSPITAL & MEDICAL CENTER
Burlington, MA 01805
  • Reassigned Medicare billing, Massachusetts enrollment
  • 477 clinicians in this Medicare group
NPI 1427161660 (978) 927-0714

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
148 services119 patients
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.
140 services124 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
43 services43 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
36 services36 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
24 services17 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.
14 services14 patients

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, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220105
Location41 Highland AvenueWinchester, MA 01890 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01801 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
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Kelsey Darmstatter's NPI number?

The NPI number for Kelsey Darmstatter is 1962110965. It was assigned to this individual provider in the NPPES registry on November 8, 2022.

Where is Kelsey Darmstatter located?

Kelsey Darmstatter practices at 345 Washington St Unit 15A, Woburn, MA 01801. The listed phone number is (781) 756-7040.

What is Kelsey Darmstatter's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Kelsey Darmstatter enrolled in Medicare?

Yes. Kelsey Darmstatter 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 Kelsey Darmstatter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kelsey Darmstatter reassigns Medicare benefits to 2 organizations: Winchester Physician Associates, Inc (Winchester, MA) and Beth Israel Lahey Health Specialty Care, Inc. (Burlington, 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 Kelsey Darmstatter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kelsey Darmstatter accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Kelsey Darmstatter 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 Kelsey Darmstatter affiliated with any hospitals?

According to CMS data, Kelsey Darmstatter is affiliated with Winchester Hospital.

When was this NPI record last updated?

The NPPES record for Kelsey Darmstatter was last updated on February 9, 2026. 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.