KARL BENJAMIN COYNER M.D.
NPI 1609861418
Radiology - Diagnostic Radiology in Boston, MA
About Karl Benjamin Coyner M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARL BENJAMIN COYNER M.D. (NPI 1609861418) is an individual diagnostic radiology provider in Boston, Massachusetts, licensed in Massachusetts (211721) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Cape Cod Hospital, and maintains a secondary practice location in Worcester.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Karl Benjamin Coyner M.d. 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
12Medicare enrollment records show Karl Coyner reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 132 clinicians in this Medicare group
South Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 419 clinicians in this Medicare group
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 169 clinicians in this Medicare group
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 clinicians in this Medicare group
Worcester, MA 01608
- Reassigned Medicare billing, Massachusetts enrollment
- 29 clinicians in this Medicare group
Gardner, MA 01440
- Reassigned Medicare billing, Massachusetts enrollment
- 344 clinicians in this Medicare group
Athol, MA 01331
- Reassigned Medicare billing, Massachusetts enrollment
- 324 clinicians in this Medicare group
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 45 clinicians in this Medicare group
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 678 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.
Areas of Expertise CMS Part B claims 87
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cape Cod Hospital
Acute Care Hospitals · Hyannis, MALowell General Hospital
Acute Care Hospitals · Lowell, MATufts Medical Center
Acute Care Hospitals · Boston, MAUmass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MACooperman Barnabas Medical Center
Acute Care Hospitals · Livingston, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Karl Coyner's NPI number?
The NPI number for Karl Coyner is 1609861418. It was assigned to this individual provider in the NPPES registry on September 19, 2005.
Where is Karl Coyner located?
Karl Coyner practices at 75 Francis St Radiology, Brigham And Women's Hospital, Boston, MA 02115. The listed phone number is (617) 732-6291.
What is Karl Coyner's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Karl Coyner enrolled in Medicare?
Yes. Karl Coyner 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 Karl Coyner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karl Coyner reassigns Medicare benefits to 12 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), Pratt Radiology Associates, Inc (Boston, MA), Harbor Medical Associates, Inc. (South Weymouth, MA), Umass Memorial Radiology Phys Serv (Worcester, MA), Umass Memorial Medical Group Inc (Worcester, MA) and 7 more organizations, listed in the Medicare section above. 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 Karl Coyner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karl Coyner accept?
Health plans from WellSense Health Plan list Karl Coyner 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 Karl Coyner affiliated with any hospitals?
According to CMS data, Karl Coyner is affiliated with Cape Cod Hospital, Lowell General Hospital, Tufts Medical Center, Umass Memorial Medical Center/University Campus and Cooperman Barnabas Medical Center.
When was this NPI record last updated?
The NPPES record for Karl Coyner was last updated on March 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.