Eric M. Bonnem, MD
Hematology & Oncology Physician · Manchester, NH
Eric M. Bonnem, MD is a hematology & oncology physician with a practice address in Manchester, New Hampshire, and NPI 1265426035, issued on Sep 7, 2005. Check the license (New Hampshire 9298, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Eric M. Bonnem
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 9298 NH
24083 WV
Self-reported in NPPES; status is on the state search - Practice location
- 87 Mcgregor St, Manchester, NH 03102
- Phone
- (603) 695-2500
- Enumerated
- Sep 7, 2005
- Record last updated
- Jul 6, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid IDs
- 30201458 NH
3810018504 WV - Medicare enrollment
- Enrolled (PECOS I20040331000319); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 1976
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 76 in New Hampshire → Look up another NPI →
Also registered at 87 Mcgregor St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eric M. Bonnem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 9298Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,132 Medicare Part D claims for 185 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 52 claims were for opioids.
Most prescribed
- Letrozole106 claims
- Prednisone47 claims
- Anastrozole42 claims
- Allopurinol38 claims
- Jakafi37 claims
- Levothyroxine Sodium37 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $18.09
1 payment: education; the largest payer was Merck Sharp & Dohme LLC. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Speare Memorial HospitalPlymouth, NH · Critical Access Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Eric M. Bonnem among 76 hematology & oncology physician records in New Hampshire
Eric M. Bonnem, MD is one of 76 hematology & oncology physician records with a practice address in New Hampshire. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1976 · median 2001 among the 53 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in New Hampshire
There are 76 hematology & oncology physician records in New Hampshire.
All 76 in New Hampshire → Every provider in Manchester → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Amr El Saman RadwanManchester, NH 031021174906010
- David Reisman, MD, PHDManchester, NH 031021285710152
- Rabia Saleem, M.DManchester, NH 031021811379357
- Gabriele Southgate, MDManchester, NH 031021346223385
- Goran Broketa, MDManchester, NH 031041033153374
- Karen Hoffmeister, D.O.Manchester, NH 031041801946652
- Laura Salama, MDManchester, NH 031041871026583
- Steven Troy, MDManchester, NH 031041225666043
Common questions
What is Eric M. Bonnem, MD's NPI number?
Eric M. Bonnem, MD's National Provider Identifier (NPI) is 1265426035, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Eric M. Bonnem, MD located?
The NPPES record lists a practice address at 87 Mcgregor St, Manchester, NH, 03102. Phone: (603) 695-2500. Providers update this record themselves, so call before visiting.
How can I verify Eric M. Bonnem, MD's license?
NPPES lists New Hampshire license number 9298, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eric M. Bonnem, MD prescribe under Medicare Part D?
In 2024, Eric M. Bonnem, MD had 1,132 Medicare Part D claims for 185 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Eric M. Bonnem, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.