Dr. Thomas John Duff, DO
- Medicare services, 2019
- 11
- Part D claims, 2024
- 217
- MIPS score, 2024
- 98
- Hospital affiliations
- 1
- Industry payments
- $159
- Practice address
- 6 St Andrews Ln, Boothbay Harbor, ME 04538
- Practice phone
- Call (207) 563-1234
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Andrews Campus of Lincolnhealth
Boothbay Harbor, Maine
Find Dr. Duff's 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.
Dr. Thomas John Duff is an emergency medicine physician in Boothbay Harbor, Maine
Dr. Duff practices at St Andrews Campus of Lincolnhealth in Boothbay Harbor, Maine.
Dr. Duff's NPI, 1326421728, was assigned on July 2, 2015. Dr. Duff graduated from University of New England, College of Osteo Medicine in 2015. Dr. Duff holds Michigan license 5101022660.
- NPI
- 1326421728NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749533065
- NPI enumeration date
- July 2, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 563-1234
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas John Duff practices at St Andrews Campus of Lincolnhealth in Boothbay Harbor, Maine
Dr. Duff's primary practice is St Andrews Campus of Lincolnhealth, at 6 St Andrews Ln, Boothbay Harbor, ME 04538 in Lincoln County. The practice phone is (207) 563-1234.
- St Andrews Campus of Lincolnhealth6 St Andrews Ln, Boothbay Harbor, ME 04538 · Lincoln CountyPhone(207) 563-1234
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas John Duff is affiliated with 2 sites of care and 1 medical group
Dr. Duff's primary practice is St Andrews Campus of Lincolnhealth in Boothbay Harbor, Maine. Dr. Duff is also affiliated with MaineHealth Lincoln Hospital. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas John Duff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duff practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Andrews Campus of Lincolnhealth | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas John Duff is one of 410 emergency medicine physicians in Maine
Emergency medicine is Dr. Duff's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Duff is licensed in Michigan.
Specialties and state licenses
- Emergency medicine, MichiganPrimary
Emergency medicine physicians near Dr. Duff
Counts of emergency medicine physicians 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. Thomas John Duff billed Medicare for 11 services in 2019
CMS data shows 11 Medicare services from Dr. Duff across 1 procedure code in 2019, all of them office visits. Medicare paid $594 for them. Every service was in an office.
Dr. Duff compared with the Maine median for emergency medicine physicians, 2019
- Dr. Duff
- Maine median
- Medicare services
- 11vs 18494% below
- Part D claims
- 124vs 582.1 times
Medians across 426 emergency medicine physicians in Maine with Dmand AI profiles that report each measure.
Dr. Duff's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas John Duff's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Duff's median patient age at 63, with 57% women.
Dr. Duff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Thomas John Duff wrote 217 Medicare Part D claims in 2024
In 2024, Dr. Duff wrote 217 Medicare Part D claims for 164 patients. 97% of them were for generic drugs. CMS names the drug for 124 of them, across 7 drugs with 11 or more claims each, at $832 in total drug cost. In 2023, CMS named 116 claims across 6 drugs.
Dr. Duff's Part D claims by kind of drug, 2024
- Generic211 claims97%
- Brand-name and other6 claims3%
Dr. Duff's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Duff's Part D claims, 2024
- Opioids7%16 of 217 claims
- Antibiotics47%103 of 217 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1162024: 1247%
Drugs named by CMS: 7 in 2024, 6 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Thomas John Duff 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. Duff for performance year 2024, reported through an alternative payment model (APM). Dr. Duff accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Duff's 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.
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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Dr. Thomas John Duff received $159 in industry payments from 2017 to 2018
CMS Open Payments shows 4 general payments to Dr. Duff from 3 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $77.
General payments to Dr. Duff by program year, 2017 to 2018
Companies that paid Dr. Duff the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas John Duff graduated from University of New England, College of Osteo Medicine
Dr. Duff graduated from University of New England, College of Osteo Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas John Duff'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Thomas John Duff
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. Thomas John Duff's NPI number?
Dr. Thomas John Duff's NPI number is 1326421728. It was assigned on July 2, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas John Duff?
Dr. Thomas John Duff is an emergency medicine physician in Boothbay Harbor, Maine. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Thomas John Duff practice?
Dr. Duff practices at 6 St Andrews Ln, Boothbay Harbor, ME 04538. Dr. Duff's primary practice is St Andrews Campus of Lincolnhealth in Boothbay Harbor, Maine.
What is Dr. Thomas John Duff's office phone number?
The practice phone on file for Dr. Duff is (207) 563-1234.
What is Dr. Thomas John Duff's medical license number?
Dr. Duff holds Michigan license 5101022660.
Which hospitals is Dr. Thomas John Duff affiliated with?
Dr. Duff is affiliated with MaineHealth Lincoln Hospital.
What medical group is Dr. Thomas John Duff part of?
Dr. Duff is linked to MaineHealth Primary Care - Family Medicine - Portland.
Does Dr. Thomas John Duff accept Medicare?
Yes. CMS data shows Dr. Duff billed Medicare for 11 services in 2019, and Dr. Duff accepts Medicare assignment.
What is Dr. Thomas John Duff's MIPS score?
Dr. Duff's MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).
What services does Dr. Thomas John Duff bill to Medicare?
In 2019, Dr. Duff's most billed Medicare services were office visit, established patient (99213).
Show 4 more questionsShow fewer questions
Where did Dr. Thomas John Duff go to medical school?
Dr. Duff graduated from University of New England, College of Osteo Medicine in 2015.
What drugs does Dr. Thomas John Duff prescribe most?
In 2024 Medicare Part D data, Dr. Duff's most prescribed drugs by claims were Cephalexin, Doxycycline Monohydrate and Prednisone.
Has Dr. Thomas John Duff received payments from drug or device companies?
CMS Open Payments shows $159 in general payments to Dr. Duff from 3 companies from 2017 to 2018. The largest total came from Pfizer Inc.
How long has Dr. Thomas John Duff been practicing?
Dr. Duff graduated from medical school in 2015, 11 years ago.
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