HOLLY ANN DESMARAIS NP-C
NPI 1235533415
Nurse Practitioner - Family in Willimantic, CT

Q: What is Holly Desmarais's NPI number?

The NPI number for Holly Desmarais is 1235533415. It was assigned to this individual provider in the NPPES registry on October 16, 2014.

Q: What is Holly Desmarais's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Holly Desmarais was last updated on January 23, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 16, 2014PECOS EnrolledAccepts Medicare Assignment

150 MANSFIELD AVE, WILLIMANTIC, CT 06226(860) 423-3299 Get Directions Write a Review

NPPES record last updated: January 23, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Holly Ann Desmarais Np-c NPPES

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

HOLLY ANN DESMARAIS NP-C (NPI 1235533415) is an individual family provider in Willimantic, Connecticut, licensed in Connecticut (5956) and active in the NPI registry since October 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1235533415

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameHOLLY ANN DESMARAISCredential: NP-C

Location Address150 MANSFIELD AVEWillimantic, CT 06226-2026

Mailing Address150 Mansfield AveWillimantic, CT 06226-2026 · (860) 423-3299

Phone(860) 423-3299

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateOctober 16, 2014

Last NPPES UpdateJanuary 23, 2025

NPPES CertifiedJanuary 23, 2025

✔ NPI 1235533415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

Licenses✔ Licensed in CT · 5956✔ Licensed in ME · CNP161017

150 MANSFIELD AVE, Willimantic, CT 06226

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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

Holly Ann Desmarais Np-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 ID6002139698

PECOS Enrollment IDI20150107001203

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 3

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.

41 services38 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.

21 services20 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.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06226 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

$93.86 typical visit price

range $60.82 – $183.10

Typical copayment $23.46 (range $15.20 – $45.77)

Most-billed visit code 99203

Established Patient

$106.68 typical visit price

range $19.76 – $149.26

Typical copayment $26.67 (range $4.94 – $37.31)

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.

Referred Medical Equipment & Supplies CMS DME claims 13

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

6 suppliers21 claims69 services$6.39 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

3 suppliers22 claims22 services$35.97 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

3 suppliers17 claims17 services$90.35 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

2 suppliers15 claims43 services$36.69 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

3 suppliers15 claims15 services$74.43 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

3 suppliers17 claims17 services$23.19 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 11

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

ADEL MUHANNA MUHANNA MD

Internal Medicine (Gastroenterology)