Holly Ann Desmarais, NPC

  • Putnam, CT
  • Family nurse practitioner
NPI1235533415PAC ID6002139698
Medicare patients, 2024
83
Part D claims, 2024
3,746
MIPS score, 2024
92
Hospital affiliations
2
Industry payments
$864
Practice address
320 Pomfret Street, Putnam, CT 06260
Practice phone
Call (860) 928-6541
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Day Kimball Hospital

Hospital · Putnam, Connecticut

See all 4 affiliations

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Holly Ann Desmarais is a family nurse practitioner in Putnam, Connecticut

Holly Desmarais practices at Day Kimball Hospital in Putnam, Connecticut, part of Day Kimball Health.

Holly Desmarais' NPI, 1235533415, was assigned on October 16, 2014. Holly Desmarais holds Connecticut license 5956.

NPI and contact details
Medicare PAC ID
6002139698
NPI enumeration date
October 16, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(860) 928-6541
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
38
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Holly Ann Desmarais practices at Day Kimball Hospital in Putnam, Connecticut

Holly Desmarais' primary practice is Day Kimball Hospital, at 320 Pomfret Street, Putnam, CT 06260 in Windham County. The practice phone is (860) 928-6541.

Source: Dmand AI Affiliation Data

Holly Ann Desmarais is affiliated with 3 sites of care and 1 medical group

Holly Desmarais' primary practice is Day Kimball Hospital in Putnam, Connecticut, part of Day Kimball Health. Holly Desmarais is also affiliated with Windham Hospital. The medical group on file is Connecticut GI. Dmand AI also links Holly Desmarais to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Holly Desmarais

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Holly Ann Desmarais' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Holly Desmarais practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Day Kimball HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Holly Ann Desmarais is one of 2,105 family nurse practitioners in Connecticut

Family is Holly Desmarais' primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Dmand AI has Holly Desmarais' licenses on file in 2 states: Connecticut and Maine.

Specialties and state licenses

  • Family nurse practitioner, ConnecticutPrimaryLicense 5956 · taxonomy 363LF0000X
  • Maine licenseLicense CNP161017

Family nurse practitioners near Holly Desmarais

Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Holly Ann Desmarais treated 83 Medicare patients in 2024, average age 70

CMS counts 83 Medicare patients who saw Holly Desmarais in 2024. The largest group is 65 to 74, with 30 patients. 72% of them have high cholesterol, and 69% have high blood pressure. 46% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Holly Desmarais' median patient age at 65, with 61% women.

Medicare patients, 202483
Average age70
Average risk score1.29
Also on Medicaid46%

Holly Desmarais' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Holly Desmarais' Medicare patients by sex, 2024

  • Women4858%
  • Men3542%

Chronic conditions among Holly Desmarais' Medicare patients, 2024

  1. High cholesterol72%
  2. High blood pressure69%
  3. Arthritis54%
  4. Mood disorders40%
  5. Anxiety39%
  6. COPD33%
  7. Ischemic heart disease31%
  8. Depression30%

Share of Medicare patients with each condition. A patient can have several.

Holly Desmarais' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women61%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Holly Ann Desmarais wrote 3,746 Medicare Part D claims in 2024

In 2024, Holly Desmarais wrote 3,746 Medicare Part D claims for 476 patients. 85% of them were for generic drugs.

Part D claims, 20243,746
Part D patients476

Holly Desmarais' Part D claims by kind of drug, 2024

  • Generic3,184 claims85%
  • Brand-name529 claims14%
  • Other33 claims1%

Drug classes CMS tracks in Holly Desmarais' Part D claims, 2024

  • Opioids2%61 of 3,746 claims
  • Antibiotics2%61 of 3,746 claims
  • Antipsychotics, patients 65 and over1%22 of 3,746 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Holly Ann Desmarais scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Holly Desmarais for performance year 2024, reported as part of a group. Holly Desmarais accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Holly Desmarais as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Holly Desmarais' MIPS scores, performance year 2024

  • 92of 100Final score
  • 89.2of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 78of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Holly Ann Desmarais received $864 in industry payments in 2025

CMS Open Payments shows 35 general payments to Holly Desmarais from 11 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $303.

Companies that paid Holly Desmarais the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Holly Desmarais

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Holly Ann Desmarais's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Holly Ann Desmarais

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Holly Ann Desmarais' NPI number?

Holly Ann Desmarais' NPI number is 1235533415. It was assigned on October 16, 2014, and it is active in the NPI Registry.

What does Holly Ann Desmarais specialize in?

Holly Ann Desmarais is a family nurse practitioner in Putnam, Connecticut. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Holly Ann Desmarais practice?

Holly Desmarais practices at 320 Pomfret Street, Putnam, CT 06260. Holly Desmarais' primary practice is Day Kimball Hospital in Putnam, Connecticut, part of Day Kimball Health. Dmand AI also links Holly Desmarais to 1 group practice or clinic.

What is Holly Ann Desmarais' office phone number?

The practice phone on file for Holly Desmarais is (860) 928-6541.

What is Holly Ann Desmarais' medical license number?

Holly Desmarais holds Connecticut license 5956, one of the licenses on file in 2 states.

Which states has Holly Ann Desmarais been licensed in?

Dmand AI has state licenses on file for Holly Desmarais in Connecticut and Maine.

Which hospitals is Holly Ann Desmarais affiliated with?

Holly Desmarais practices at Day Kimball Hospital in Putnam, Connecticut. Holly Desmarais is also affiliated with Windham Hospital.

What medical group is Holly Ann Desmarais part of?

Holly Desmarais is linked to Connecticut GI.

Does Holly Ann Desmarais accept Medicare?

Yes. CMS lists Holly Desmarais as accepting Medicare assignment.

Does Holly Ann Desmarais offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Holly Desmarais as offering telehealth services.

Show 4 more questionsShow fewer questions

What is Holly Ann Desmarais' MIPS score?

Holly Desmarais' MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.

How many Medicare patients does Holly Ann Desmarais see?

CMS counts 83 Medicare patients who saw Holly Desmarais in 2024, with an average age of 70.

Has Holly Ann Desmarais received payments from drug or device companies?

CMS Open Payments shows $864 in general payments to Holly Desmarais from 11 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Holly Ann Desmarais been practicing?

Holly Desmarais graduated from medical school in 2014, 12 years ago.

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