Dr. Nicholas Denis Dupuis, DO

  • Portland, ME
  • Hospitalist
NPI1104238567PAC ID1658649173
Medicare services, 2024
285
Medicare patients, 2024
120
Part D claims, 2024
34
MIPS score, 2024
98
Hospital affiliations
1
Practice address
22 Bramhall St, Portland, ME 04102
Practice phone
Call (207) 662-0111
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

MaineHealth Maine Medical Center

Hospital · Portland, Maine

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Dr. Nicholas Denis Dupuis is a hospitalist in Portland, Maine

Dr. Dupuis practices at MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth.

Dr. Dupuis' NPI, 1104238567, was assigned on May 20, 2014. Dr. Dupuis graduated from University of New England, College of Osteo Medicine in 2014. Dr. Dupuis holds Maine license DO2690.

NPI and contact details
Medicare PAC ID
1658649173
NPI enumeration date
May 20, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(207) 662-0111
Professional email
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Personal email
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Mobile number
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Sex
Male
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)

Dr. Nicholas Denis Dupuis practices at MaineHealth Maine Medical Center in Portland, Maine

Dr. Dupuis' primary practice is MaineHealth Maine Medical Center, at 22 Bramhall St, Portland, ME 04102 in Cumberland County. The practice phone is (207) 662-0111.

Source: Dmand AI Affiliation Data

Dr. Nicholas Denis Dupuis is affiliated with 1 site of care and 2 medical groups

Dr. Dupuis' primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Dr. Dupuis to 1 more medical group, named with a free account. Dr. Dupuis' employer is on file too: a hospital.

See all 3 affiliations for Dr. Dupuis

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

Dmand AI tracks the EHR system at Dr. Nicholas Denis Dupuis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dupuis practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
MaineHealth Maine Medical CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nicholas Denis Dupuis is one of 180 hospitalists in Maine

Hospitalist is Dr. Dupuis' primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Dupuis is licensed in Maine.

Specialties and state licenses

  • Hospitalist, MainePrimaryLicense DO2690 · taxonomy 208M00000X

Hospitalists near Dr. Dupuis

Counts of hospitalists 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

Dr. Nicholas Denis Dupuis billed Medicare for 285 services in 2024

CMS data shows 285 Medicare services from Dr. Dupuis across 6 procedure codes in 2024, for 120 Medicare patients. Medicare paid $20,041 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024285
Medicare patients120
Paid by Medicare$20,041
Procedure codes6

Dr. Dupuis' Medicare services by type, 2024

  1. Office and hospital visits230
  2. Other services43
  3. Imaging12

Dr. Dupuis compared with the Maine median for hospitalists, 2024

  • Dr. Dupuis
  • Maine median
Medicare services
285vs 2638% above
Medicare patients
120vs 124Close to median

Medians across 182 hospitalists in Maine with Dmand AI profiles that report each measure.

Dr. Dupuis' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Dupuis

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Nicholas Denis Dupuis treated 120 Medicare patients in 2024, average age 76

CMS counts 120 Medicare patients who saw Dr. Dupuis in 2024. The largest group is 75 to 84, with 37 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 33% are also on Medicaid. Their average risk score is 3.06, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Dupuis' median patient age at 72, with 45% women.

Medicare patients, 2024120
Average age76
Average risk score3.06
Also on Medicaid33%

Dr. Dupuis' Medicare patients by age, 2024

Dr. Dupuis' Medicare patients by sex, 2024

  • Women5143%
  • Men6957%

Chronic conditions among Dr. Dupuis' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol72%
  3. Arthritis51%
  4. Heart failure50%
  5. Ischemic heart disease48%
  6. Mood disorders47%
  7. Depression43%
  8. Anxiety42%

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

Dr. Dupuis' patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women45%
  • Men54%

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

Dr. Nicholas Denis Dupuis wrote 34 Medicare Part D claims in 2024

In 2024, Dr. Dupuis wrote 34 Medicare Part D claims for 19 patients. 79% of them were for generic drugs.

Part D claims, 202434
Part D patients19

Dr. Dupuis' Part D claims by kind of drug, 2024

  • Generic27 claims79%
  • Brand-name and other7 claims21%

Drug classes CMS tracks in Dr. Dupuis' Part D claims, 2024

  • Antibiotics32%11 of 34 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

Dr. Nicholas Denis Dupuis scored 98 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Dupuis for performance year 2024, reported through an alternative payment model (APM). Dr. Dupuis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Dupuis' MIPS scores, performance year 2024

  • 98of 100Final score
  • 83.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

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

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Dr. Nicholas Denis Dupuis graduated from University of New England, College of Osteo Medicine

Dr. Dupuis graduated from University of New England, College of Osteo Medicine in 2014.

  1. Medical schoolUniversity of New England, College of Osteo Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Nicholas Denis Dupuis'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Dr. Nicholas Denis Dupuis

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

What is Dr. Nicholas Denis Dupuis' NPI number?

Dr. Nicholas Denis Dupuis' NPI number is 1104238567. It was assigned on May 20, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Nicholas Denis Dupuis?

Dr. Nicholas Denis Dupuis is a hospitalist in Portland, Maine. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Nicholas Denis Dupuis practice?

Dr. Dupuis practices at 22 Bramhall St, Portland, ME 04102. Dr. Dupuis' primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. Dmand AI also links Dr. Dupuis to 1 medical group.

What is Dr. Nicholas Denis Dupuis' office phone number?

The practice phone on file for Dr. Dupuis is (207) 662-0111.

What is Dr. Nicholas Denis Dupuis' medical license number?

Dr. Dupuis holds Maine license DO2690.

Which hospitals is Dr. Nicholas Denis Dupuis affiliated with?

Dr. Dupuis practices at MaineHealth Maine Medical Center in Portland, Maine.

What medical group is Dr. Nicholas Denis Dupuis part of?

Dr. Dupuis is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links Dr. Dupuis to 1 more medical group.

Does Dr. Nicholas Denis Dupuis accept Medicare?

Yes. CMS data shows Dr. Dupuis billed Medicare for 285 services in 2024, and Dr. Dupuis accepts Medicare assignment.

What is Dr. Nicholas Denis Dupuis' MIPS score?

Dr. Dupuis' MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Nicholas Denis Dupuis see?

CMS counts 120 Medicare patients who saw Dr. Dupuis in 2024, with an average age of 76.

Show 3 more questionsShow fewer questions

What services does Dr. Nicholas Denis Dupuis bill to Medicare?

In 2024, Dr. Dupuis' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and medicare service (G0316).

Where did Dr. Nicholas Denis Dupuis go to medical school?

Dr. Dupuis graduated from University of New England, College of Osteo Medicine in 2014.

How long has Dr. Nicholas Denis Dupuis been practicing?

Dr. Dupuis graduated from medical school in 2014, 12 years ago.

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