Holly Ann Desmarais, NPC
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Holly Desmarais' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1235533415NPI Registry (opens in a new tab)
- 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
- Get email
- Mobile number
- Get number
- 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.
- Day Kimball Hospital320 Pomfret Street, Putnam, CT 06260 · Windham CountyPhone(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.
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.
| Site | EHR vendor and product |
|---|---|
| Day Kimball Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Day Kimball Health and 6.2K+ hospitals, with verified contacts in the same login.
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, ConnecticutPrimary
- Maine license
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.
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
- High cholesterol72%
- High blood pressure69%
- Arthritis54%
- Mood disorders40%
- Anxiety39%
- COPD33%
- Ischemic heart disease31%
- 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.
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.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Holly Ann Desmarais's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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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