KARL BENJAMIN COYNER M.D.
NPI 1609861418
Radiology - Diagnostic Radiology in Boston, MA

Active since September 19, 2005PECOS EnrolledAccepts Medicare Assignment
75 FRANCIS ST, RADIOLOGY, BRIGHAM AND WOMEN'S HOSPITAL, BOSTON, MA 02115(617) 732-6291 Get Directions Write a Review

NPPES record last updated: March 22, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1609861418
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameKARL BENJAMIN COYNERCredential: M.D.
Location Address75 FRANCIS ST, RADIOLOGY, BRIGHAM AND WOMEN'S HOSPITALBoston, MA 02115-6110
Mailing Address75 Francis St, Radiology, Brigham And Women's HospitalBoston, MA 02115-6110 · (617) 732-6291
Sole ProprietorNo
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 1996
Enumeration DateSeptember 19, 2005
Last NPPES UpdateMarch 22, 2024
NPPES CertifiedMarch 22, 2024
✔ NPI 1609861418 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in MA · 211721
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedNuclear MedicineTaxonomy 207U00000X · License 211721 (MA)
75 FRANCIS ST, Boston, MA 02115

Secondary Practice Location 1

Location 155 Lake Ave NorthWorcester, MA 01655-0002 · Phone (508) 334-3850

Other Identifiers 4

Medicaid0182320MA
Other211721MA · Tufts Health Care
OtherH71166MA · Harvard Pilgrim Health
OtherJ25709MA · Blue Cross/blue Shield

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.

PECOS PAC ID8921096322
PECOS Enrollment IDI20040504001234, I20250929002262
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

12

Medicare 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.

Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
Diagnostic Radiology
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 132 clinicians in this Medicare group
Cardiovascular Disease
541 MAIN ST, SUITE 400
South Weymouth, MA 02190
  • Reassigned Medicare billing, Massachusetts enrollment
  • 419 clinicians in this Medicare group
Diagnostic Radiology
55 LAKE AVE N # S2-824, RADIOLOGY DEPARTMENT ADMINISTRATION
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 169 clinicians in this Medicare group
Internal Medicine
55 LAKE AVE N
Worcester, MA 01655
  • Reassigned Medicare billing, Massachusetts enrollment
  • 2,902 clinicians in this Medicare group
Diagnostic Radiology
123 SUMMER ST
Worcester, MA 01608
  • Reassigned Medicare billing, Massachusetts enrollment
  • 29 clinicians in this Medicare group
Hospitalist
242 GREEN ST
Gardner, MA 01440
  • Reassigned Medicare billing, Massachusetts enrollment
  • 344 clinicians in this Medicare group
Critical Access
2033 MAIN STREET
Athol, MA 01331
  • Reassigned Medicare billing, Massachusetts enrollment
  • 324 clinicians in this Medicare group
Diagnostic Radiology
27 PARK ST
Hyannis, MA 02601
  • Reassigned Medicare billing, Massachusetts enrollment
  • 45 clinicians in this Medicare group
Neuroradiology
27 PARK ST
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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
750 services700 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
527 services512 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
261 services253 patients
Ct scan of upper spine without contrast 72125
A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.
234 services230 patients
Ct scan of blood vessels of chest with contrast 71275
A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.
220 services218 patients
Ultrasound study of one arm or leg veins with compression and maneuvers 93971
This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.
191 services190 patients

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, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220012
Location27 Park StreetHyannis, MA 02601 · Barnstable County
Emergency services Birthing friendly

Lowell General Hospital

Acute Care Hospitals · Lowell, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220063
Location295 Varnum AvenueLowell, MA 01854 · Middlesex County
Emergency services Birthing friendly

Tufts Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220116
Location800 Washington StreetBoston, MA 02111 · Suffolk County
Emergency services Birthing friendly

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Cooperman Barnabas Medical Center

Acute Care Hospitals · Livingston, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310076
Location94 Old Short Hills RoadLivingston, NJ 07039 · Essex County
Emergency services Birthing friendly

Physician 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.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine (Gastroenterology)
75 FRANCIS ST
BOSTON, MA 02115
Neurological Surgery
75 FRANCIS ST
BOSTON, MA 02115
Student in an Organized Health Care Education/Training Program
75 FRANCIS ST
BOSTON, MA 02115
Radiology (Diagnostic Radiology)
75 FRANCIS ST, DEPARTMENT OF RADIOLOGY
BOSTON, MA 02115
Surgery (Vascular Surgery)
75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL
BOSTON, MA 02115
Emergency Medicine
75 FRANCIS ST, BWH DEPT. OF EMERGENCY MEDICINE
BOSTON, MA 02115
Physician Assistant
75 FRANCIS ST
BOSTON, MA 02115
Nurse Practitioner (Family)
75 FRANCIS ST
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.