Dr. Eric A. Leefmans, MD
- Medicare services, 2024
- 290
- Medicare patients, 2024
- 186
- Part D claims, 2024
- 19
- MIPS score, 2024
- 86
- Industry payments
- $1,537
- Practice address
- 3 Alumni Dr, Exeter, NH 03833
- Practice phone
- Call (603) 580-6753
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Core Physicians, LLC
Exeter, New Hampshire
Find Dr. Leefmans' 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. Eric A. Leefmans is a vascular surgeon in Exeter, New Hampshire
Dr. Leefmans practices at Core Physicians, LLC in Exeter, New Hampshire.
Dr. Leefmans' NPI, 1568485779, was assigned on July 26, 2006. Dr. Leefmans holds New Hampshire license 8354.
- NPI
- 1568485779NPI Registry (opens in a new tab)
- NPI enumeration date
- July 26, 2006
- NPI status
- Active
- Practice phone
- (603) 580-6753
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Eric A. Leefmans practices at Core Physicians, LLC in Exeter, New Hampshire
Dr. Leefmans' primary practice is Core Physicians, LLC, at 3 Alumni Dr, Exeter, NH 03833 in Rockingham County. The practice phone is (603) 580-6753.
- Core Physicians, LLC3 Alumni Dr, Exeter, NH 03833 · Rockingham CountyPhone(603) 580-6753
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eric A. Leefmans is affiliated with 2 sites of care and 1 medical group
Dr. Leefmans' primary practice is Core Physicians, LLC in Exeter, New Hampshire. The medical group on file is Core Physicians. Dmand AI also links Dr. Leefmans to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Eric A. Leefmans' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leefmans practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Core Physicians, LLC | 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. Eric A. Leefmans is one of 34 vascular surgeons in New Hampshire
Vascular surgery is Dr. Leefmans' primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Leefmans is licensed in New Hampshire.
Specialties and state licenses
- Vascular surgery, New HampshirePrimary
Vascular surgeons near Dr. Leefmans
Counts of vascular surgeons 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. Eric A. Leefmans billed Medicare for 290 services in 2024
CMS data shows 290 Medicare services from Dr. Leefmans across 8 procedure codes in 2024, for 186 Medicare patients. Medicare paid $15,251 for them.
Dr. Leefmans' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3172024: 17445%
- Tests and treatments
- 2023: 2002024: 11642%
Where Dr. Leefmans' Medicare services took place, 2024
- In an office17460%
- In a facility11640%
Dr. Leefmans compared with the New Hampshire median for vascular surgeons, 2024
- Dr. Leefmans
- New Hampshire median
- Medicare services
- 290vs 47038% below
- Medicare patients
- 186vs 29938% below
- Part D claims
- 15vs 6075% below
Medians across 34 vascular surgeons in New Hampshire with Dmand AI profiles that report each measure.
Dr. Leefmans' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric A. Leefmans treated 186 Medicare patients in 2024, average age 77
CMS counts 186 Medicare patients who saw Dr. Leefmans in 2024. The largest group is 75 to 84, with 83 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Dr. Leefmans' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Leefmans' Medicare patients by sex, 2024
- Women8345%
- Men10355%
Chronic conditions among Dr. Leefmans' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease42%
- Chronic kidney disease33%
- Diabetes33%
- Anxiety28%
- COPD28%
Share of Medicare patients with each condition. A patient can have several.
Source: Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric A. Leefmans wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Leefmans wrote 19 Medicare Part D claims. 89% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $151 in total drug cost. In 2023, CMS named 22 claims across 1 drug.
Dr. Leefmans' Part D claims by kind of drug, 2024
- Generic17 claims89%
- Brand-name and other2 claims11%
Dr. Leefmans' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 222024: 1532%
Drugs named by CMS: 1 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
Dr. Eric A. Leefmans scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Leefmans for performance year 2024, reported through an alternative payment model (APM).
Dr. Leefmans' MIPS scores, performance year 2024
- 86of 100Final score
- 85.9of 100Quality
- 78of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Eric A. Leefmans received $1,537 in industry payments from 2018 to 2022
CMS Open Payments shows 10 general payments to Dr. Leefmans from 5 drug and device companies from 2018 to 2022. Travel and lodging make up the largest share, 76% of the total. Silk Road Medical, Inc. paid the most, $1,212.
General payments to Dr. Leefmans by program year, 2018 to 2022
General payments to Dr. Leefmans by kind, 2018 to 2022
- Travel and lodging$1,17176%
- Food and beverage$36524%
Companies that paid Dr. Leefmans the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Eric A. Leefmans'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 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 | Medicare 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | 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 Dr. Eric A. Leefmans
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. Eric A. Leefmans' NPI number?
Dr. Eric A. Leefmans' NPI number is 1568485779. It was assigned on July 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric A. Leefmans?
Dr. Eric A. Leefmans is a vascular surgeon in Exeter, New Hampshire. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Eric A. Leefmans practice?
Dr. Leefmans practices at 3 Alumni Dr, Exeter, NH 03833. Dr. Leefmans' primary practice is Core Physicians, LLC in Exeter, New Hampshire. Dmand AI also links Dr. Leefmans to 1 group practice or clinic.
What is Dr. Eric A. Leefmans' office phone number?
The practice phone on file for Dr. Leefmans is (603) 580-6753.
What is Dr. Eric A. Leefmans' medical license number?
Dr. Leefmans holds New Hampshire license 8354.
What medical group is Dr. Eric A. Leefmans part of?
Dr. Leefmans is linked to Core Physicians.
Does Dr. Eric A. Leefmans accept Medicare?
Yes. CMS data shows Dr. Leefmans billed Medicare for 290 services in 2024.
What is Dr. Eric A. Leefmans' MIPS score?
Dr. Leefmans' MIPS final score for performance year 2024 is 86 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Eric A. Leefmans see?
CMS counts 186 Medicare patients who saw Dr. Leefmans in 2024, with an average age of 77.
What services does Dr. Eric A. Leefmans bill to Medicare?
In 2024, Dr. Leefmans' most billed Medicare services were office visit, established patient (99213), blood vessel study (93880) and office visit, new patient (99203).
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What drugs does Dr. Eric A. Leefmans prescribe most?
In 2024 Medicare Part D data, Dr. Leefmans' most prescribed drugs by claims were Clopidogrel.
Has Dr. Eric A. Leefmans received payments from drug or device companies?
CMS Open Payments shows $1,537 in general payments to Dr. Leefmans from 5 companies from 2018 to 2022. The largest total came from Silk Road Medical, Inc.
How long has Dr. Eric A. Leefmans been practicing?
Dr. Leefmans' NPI was assigned in 2006.
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