Dr. Eric M. Bonnem, MD
- Medicare services, 2023
- 258
- Part D claims, 2024
- 1,132
- Clinical trials
- 1
- Hospital affiliations
- 5
- Industry payments
- $2,017
- Practice address
- 452 Old Street Road, Peterborough, NH 03458
- Practice phone
- Call (603) 924-7191
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bonnem'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. Eric M. Bonnem is a hematologist and oncologist in Peterborough, New Hampshire
Dr. Bonnem practices at Monadnock Community Hospital in Peterborough, New Hampshire, part of Monadnock Community Hospital.
Dr. Bonnem's NPI, 1265426035, was assigned on September 7, 2005. Dr. Bonnem graduated from Pennsylvania State University College of Medicine in 1976. Dr. Bonnem holds New Hampshire license 9298.
- NPI
- 1265426035NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103818240
- NPI enumeration date
- September 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 924-7191
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric M. Bonnem practices at Monadnock Community Hospital in Peterborough, New Hampshire
Dr. Bonnem's primary practice is Monadnock Community Hospital, at 452 Old Street Road, Peterborough, NH 03458 in Hillsborough County. The practice phone is (603) 924-7191.
- Monadnock Community Hospital452 Old Street Road, Peterborough, NH 03458 · Hillsborough CountyPhone(603) 924-7191
Source: Dmand AI Affiliation Data
Dr. Eric M. Bonnem is affiliated with 8 sites of care and 4 medical groups
Dr. Bonnem's primary practice is Monadnock Community Hospital in Peterborough, New Hampshire, part of Monadnock Community Hospital. Dr. Bonnem is also affiliated with Speare Memorial Hospital. The medical group on file is Speare Memorial Hospital. Dmand AI also links Dr. Bonnem to 3 more hospitals, 3 medical groups, 2 group practices and clinics and 1 clinical lab, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric M. Bonnem's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bonnem practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Monadnock Community Hospital | Available with a free account |
| +7 more sites and 3 medical groups | 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 Monadnock Community Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Eric M. Bonnem is one of 67 hematologists and oncologists in New Hampshire
Hematology and oncology is Dr. Bonnem's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Bonnem's licenses on file in 2 states: New Hampshire and West Virginia.
Specialties and state licenses
- Hematology and oncology, New HampshirePrimary
- West Virginia license
Hematologists and oncologists near Dr. Bonnem
Counts of hematologists and oncologists 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 M. Bonnem billed Medicare for 258 services in 2023
CMS data shows 258 Medicare services from Dr. Bonnem across 3 procedure codes in 2023, all of them office visits. Medicare paid $15,635 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Bonnem's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 7692023: 25866%
Dr. Bonnem compared with the New Hampshire median for hematologists and oncologists, 2023
- Dr. Bonnem
- New Hampshire median
- Medicare services
- 258vs 57655% below
- Part D claims
- 868vs 2134.1 times
Medians across 65 hematologists and oncologists in New Hampshire with Dmand AI profiles that report each measure.
Dr. Bonnem's most billed Medicare procedure codes, 2023
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. Bonnem and other hematologists and oncologists in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric M. Bonnem's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Bonnem's median patient age at 75, with 49% women.
Dr. Bonnem's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. Eric M. Bonnem wrote 1,132 Medicare Part D claims in 2024
In 2024, Dr. Bonnem wrote 1,132 Medicare Part D claims for 185 patients. 75% of them were for generic drugs. CMS names the drug for 868 of them, across 34 drugs with 11 or more claims each, at $3,136,212 in total drug cost. In 2023, CMS named 857 claims across 33 drugs.
Dr. Bonnem's Part D claims by kind of drug, 2024
- Generic844 claims75%
- Brand-name and other288 claims25%
Dr. Bonnem'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. Bonnem's Part D claims, 2024
- Opioids5%52 of 1,132 claims
- Antibiotics3%31 of 1,132 claims
- Antipsychotics, patients 65 and over1%13 of 1,132 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: 8572024: 8681%
Drugs named by CMS: 34 in 2024, 33 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
How Dr. Eric M. Bonnem takes part in Medicare
Dr. Bonnem accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Eric M. Bonnem has worked on 1 clinical trial
Dmand AI links Dr. Bonnem to 1 clinical trial. 1 is still active or recruiting.
Investigators on the most trials with Dr. Bonnem
- Sheetal Sumat Acharya, MD1 shared trial
- Howard H. Bailey, MD1 shared trial
- Robert E. Bloom, MD1 shared trial
Recent clinical trials with Dr. Bonnem
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Eric M. Bonnem received $2,017 in industry payments from 2016 to 2024
CMS Open Payments shows 121 general payments to Dr. Bonnem from 23 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 82% of the total. Genentech, Inc. paid the most, $479.
General payments to Dr. Bonnem by program year, 2016 to 2024
General payments to Dr. Bonnem by kind, 2016 to 2024
- Food and beverage$1,65382%
- Consulting fees$20010%
- Education$1648%
Companies that paid Dr. Bonnem the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric M. Bonnem graduated from Pennsylvania State University College of Medicine
Dr. Bonnem graduated from Pennsylvania State University College of Medicine in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eric M. Bonnem'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 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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Eric M. Bonnem
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 M. Bonnem's NPI number?
Dr. Eric M. Bonnem's NPI number is 1265426035. It was assigned on September 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric M. Bonnem?
Dr. Eric M. Bonnem is a hematologist and oncologist in Peterborough, New Hampshire. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Eric M. Bonnem practice?
Dr. Bonnem practices at 452 Old Street Road, Peterborough, NH 03458. Dr. Bonnem's primary practice is Monadnock Community Hospital in Peterborough, New Hampshire, part of Monadnock Community Hospital. Dmand AI also links Dr. Bonnem to 3 hospitals, 3 medical groups, 2 group practices and clinics and 1 clinical lab.
What is Dr. Eric M. Bonnem's office phone number?
The practice phone on file for Dr. Bonnem is (603) 924-7191.
What is Dr. Eric M. Bonnem's medical license number?
Dr. Bonnem holds New Hampshire license 9298, one of the licenses on file in 2 states.
Which states has Dr. Eric M. Bonnem been licensed in?
Dmand AI has state licenses on file for Dr. Bonnem in New Hampshire and West Virginia.
Which hospitals is Dr. Eric M. Bonnem affiliated with?
Dr. Bonnem practices at Monadnock Community Hospital in Peterborough, New Hampshire. Dr. Bonnem is also affiliated with Speare Memorial Hospital. Dmand AI links Dr. Bonnem to 3 more hospitals.
What medical group is Dr. Eric M. Bonnem part of?
Dr. Bonnem is linked to Speare Memorial Hospital. Dmand AI links Dr. Bonnem to 3 more medical groups.
Does Dr. Eric M. Bonnem accept Medicare?
Yes. CMS data shows Dr. Bonnem billed Medicare for 258 services in 2023, and Dr. Bonnem accepts Medicare assignment.
What services does Dr. Eric M. Bonnem bill to Medicare?
In 2023, Dr. Bonnem's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
Show 5 more questionsShow fewer questions
Where did Dr. Eric M. Bonnem go to medical school?
Dr. Bonnem graduated from Pennsylvania State University College of Medicine in 1976.
What drugs does Dr. Eric M. Bonnem prescribe most?
In 2024 Medicare Part D data, Dr. Bonnem's most prescribed drugs by claims were Letrozole, Prednisone and Anastrozole.
Has Dr. Eric M. Bonnem received payments from drug or device companies?
CMS Open Payments shows $2,017 in general payments to Dr. Bonnem from 23 companies from 2016 to 2024. The largest total came from Genentech, Inc.
How long has Dr. Eric M. Bonnem been practicing?
Dr. Bonnem graduated from medical school in 1976, 50 years ago.
Does Dr. Eric M. Bonnem do research?
Dr. Bonnem has worked on 1 clinical trial.
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