Dr. Douglas R. Mailly, MD
- Medicare services, 2024
- 181
- Medicare patients, 2024
- 184
- Part D claims, 2024
- 111
- Industry payments
- $129
- Medical group
- 1
- Practice address
- 333 Borthwick Ave, Portsmouth, NH
- Practice phone
- Call (603) 436-5110
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mailly'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. Douglas R. Mailly is an emergency medicine physician in Portsmouth, New Hampshire
Dr. Mailly practices at Portsmouth Regional Hospital in Portsmouth, New Hampshire, part of HCA Healthcare.
Dr. Mailly's NPI, 1013950641, was assigned on June 13, 2006. Dr. Mailly graduated from Rutgers New Jersey Medical School in 1988. Dr. Mailly holds New York license 189936-1.
- NPI
- 1013950641NPI Registry (opens in a new tab)
- NPI enumeration date
- June 13, 2006
- NPI status
- Active
- Practice phone
- (603) 436-5110
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Douglas R. Mailly practices at Portsmouth Regional Hospital in Portsmouth, New Hampshire
Dr. Mailly's primary practice is Portsmouth Regional Hospital, at 333 Borthwick Ave, Portsmouth, NH in Rockingham County. The practice phone is (603) 436-5110.
- Portsmouth Regional Hospital333 Borthwick Ave, Portsmouth, NH · Rockingham CountyPhone(603) 436-5110
Source: Dmand AI Affiliation Data
Dr. Douglas R. Mailly is affiliated with 1 medical group
Dr. Mailly's primary practice is Portsmouth Regional Hospital in Portsmouth, New Hampshire, part of HCA Healthcare. The medical group on file is Emergency Medicine Services of NH.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Douglas R. Mailly's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mailly practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Portsmouth Regional Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Douglas R. Mailly is one of 298 emergency medicine physicians in New Hampshire
Emergency medicine is Dr. Mailly's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Mailly's licenses on file in 2 states: New York and New Hampshire.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
- New Hampshire license
Emergency medicine physicians near Dr. Mailly
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. Douglas R. Mailly billed Medicare for 181 services in 2024
CMS data shows 181 Medicare services from Dr. Mailly across 3 procedure codes in 2024, for 184 Medicare patients. Medicare paid $17,482 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mailly's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1742024: 1814%
Dr. Mailly compared with the New Hampshire median for emergency medicine physicians, 2024
- Dr. Mailly
- New Hampshire median
- Medicare services
- 181vs 23924% below
- Medicare patients
- 184vs 26631% below
- Part D claims
- 32vs 4427% below
Medians across 328 emergency medicine physicians in New Hampshire with Dmand AI profiles that report each measure.
Dr. Mailly's 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mailly and other emergency medicine physicians in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas R. Mailly treated 184 Medicare patients in 2024, average age 73
CMS counts 184 Medicare patients who saw Dr. Mailly in 2024. The largest group is 65 to 74, with 59 patients. 73% of them have high blood pressure, and 68% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mailly's median patient age at 62, with 57% women.
Dr. Mailly's Medicare patients by age, 2024
Dr. Mailly's Medicare patients by sex, 2024
- Women11160%
- Men7340%
Chronic conditions among Dr. Mailly's Medicare patients, 2024
- High blood pressure73%
- High cholesterol68%
- Arthritis43%
- Anxiety41%
- Mood disorders33%
- Ischemic heart disease32%
- Depression29%
- Diabetes29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mailly's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Douglas R. Mailly wrote 111 Medicare Part D claims in 2024
In 2024, Dr. Mailly wrote 111 Medicare Part D claims for 81 patients. 90% of them were for generic drugs. CMS names the drug for 32 of them, across 2 drugs with 11 or more claims each, at $67 in total drug cost. In 2023, CMS named 19 claims across 1 drug.
Dr. Mailly's Part D claims by kind of drug, 2024
- Generic100 claims90%
- Brand-name11 claims10%
Dr. Mailly'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. Mailly's Part D claims, 2024
- Opioids10%11 of 111 claims
- Antibiotics42%47 of 111 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: 192024: 3268%
Drugs named by CMS: 2 in 2024, 1 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
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Dr. Douglas R. Mailly received $129 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Mailly from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $129.
Companies that paid Dr. Mailly the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Douglas R. Mailly graduated from Rutgers New Jersey Medical School
Dr. Mailly graduated from Rutgers New Jersey Medical School in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Douglas R. Mailly'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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. Douglas R. Mailly
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. Douglas R. Mailly's NPI number?
Dr. Douglas R. Mailly's NPI number is 1013950641. It was assigned on June 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas R. Mailly?
Dr. Douglas R. Mailly is an emergency medicine physician in Portsmouth, New Hampshire. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Douglas R. Mailly practice?
Dr. Mailly practices at 333 Borthwick Ave, Portsmouth, NH. Dr. Mailly's primary practice is Portsmouth Regional Hospital in Portsmouth, New Hampshire, part of HCA Healthcare.
What is Dr. Douglas R. Mailly's office phone number?
The practice phone on file for Dr. Mailly is (603) 436-5110.
What is Dr. Douglas R. Mailly's medical license number?
Dr. Mailly holds New York license 189936-1, one of the licenses on file in 2 states.
Which states has Dr. Douglas R. Mailly been licensed in?
Dmand AI has state licenses on file for Dr. Mailly in New York and New Hampshire.
Which hospitals is Dr. Douglas R. Mailly affiliated with?
Dr. Mailly practices at Portsmouth Regional Hospital in Portsmouth, New Hampshire.
What medical group is Dr. Douglas R. Mailly part of?
Dr. Mailly is linked to Emergency Medicine Services of NH.
Does Dr. Douglas R. Mailly accept Medicare?
Yes. CMS data shows Dr. Mailly billed Medicare for 181 services in 2024.
How many Medicare patients does Dr. Douglas R. Mailly see?
CMS counts 184 Medicare patients who saw Dr. Mailly in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Douglas R. Mailly bill to Medicare?
In 2024, Dr. Mailly's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and emergency department visit (99283).
Where did Dr. Douglas R. Mailly go to medical school?
Dr. Mailly graduated from Rutgers New Jersey Medical School in 1988.
What drugs does Dr. Douglas R. Mailly prescribe most?
In 2024 Medicare Part D data, Dr. Mailly's most prescribed drugs by claims were Cephalexin and Prednisone.
Has Dr. Douglas R. Mailly received payments from drug or device companies?
CMS Open Payments shows $129 in general payments to Dr. Mailly from 1 company from 2016 to 2016. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Douglas R. Mailly been practicing?
Dr. Mailly graduated from medical school in 1988, 38 years ago.
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