DR. ERIC M BONNEM MD
NPI 1265426035
Internal Medicine - Hematology & Oncology in Manchester, NH
About Dr. Eric M Bonnem Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIC M BONNEM MD (NPI 1265426035) is an individual hematology & oncology provider in Manchester, New Hampshire, licensed in New Hampshire (9298) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and is a graduate of Pennsylvania State University College Of Medicine (1976).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Eric M Bonnem Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Eric Bonnem reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hampstead, NH 03841
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Peterborough, NH 03458
- Reassigned Medicare billing, New Hampshire enrollment
- Also billed through NPI 1457304149 (New Hampshire)
- 68 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Meredith, NH 03253
- Reassigned Medicare billing, New Hampshire enrollment
- Also billed through NPI 1760496376 (New Hampshire)
- 92 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHCheshire Medical Center
Acute Care Hospitals · Keene, NHCatholic Medical Center
Acute Care Hospitals · Manchester, NHMonadnock Community Hospital
Critical Access Hospitals · Peterborough, NHSpeare Memorial Hospital
Critical Access Hospitals · Plymouth, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MANCHESTER, NH 03102
MANCHESTER, NH 03102
MANCHESTER, NH 03102
MANCHESTER, NH 03102
MANCHESTER, NH 03102
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Eric Bonnem's NPI number?
The NPI number for Eric Bonnem is 1265426035. It was assigned to this individual provider in the NPPES registry on September 7, 2005.
Where is Eric Bonnem located?
Eric Bonnem practices at 87 Mcgregor St Dartmouth Hitchcock - Hematology/Oncology, Manchester, NH 03102. The listed phone number is (603) 695-2500.
What is Eric Bonnem's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Eric Bonnem enrolled in Medicare?
Yes. Eric Bonnem is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Eric Bonnem's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Bonnem reassigns Medicare benefits to 4 organizations: Mary Hitchcock Memorial Hospital (Hampstead, NH), Monadnock Community Hospital (Peterborough, NH), Dartmouth-Hitchcock Clinic (Keene, NH) and Speare Memorial Hospital (Meredith, NH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Eric Bonnem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eric Bonnem accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, CareSource, Harvard Pilgrim Health Care and Taro Health and 1 other insurer list Eric Bonnem as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Eric Bonnem affiliated with any hospitals?
According to CMS data, Eric Bonnem is affiliated with Mary Hitchcock Memorial Hospital, Cheshire Medical Center, Catholic Medical Center, Monadnock Community Hospital and Speare Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Eric Bonnem was last updated on July 6, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Eric M Bonnem, MD · NPI 1265426035
Hematology & Oncology physician in Manchester, New Hampshire. Individual provider, active in the CMS NPPES registry since September 7, 2005.
## Identity
- **NPI:** 1265426035 (Entity type: Individual)
- **Enumerated:** September 7, 2005
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 9298 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 87 MCGREGOR ST, DARTMOUTH HITCHCOCK - HEMATOLOGY/ONCOLOGY, Manchester, NH 03102
- **Phone:** (603) 695-2500
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Mary Hitchcock Memorial Hospital (NPI 1699584219, Hampstead, NH); Monadnock Community Hospital (NPI 1063364768, Peterborough, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); Speare Memorial Hospital (NPI 1669161659, Meredith, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 1976
## Record status
- **NPPES last updated:** July 6, 2018
- **Other identifiers:** Medicaid 30201458 (NH); Medicaid 3810018504 (WV); Other P00141297 (NH); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1265426035) · Data from the CMS NPPES public registry.