DR. JOHN JAMES GRAHAM M.D.
NPI 1023376449
Internal Medicine - Hematology & Oncology in Canfield, OH
About Dr. John James Graham M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN JAMES GRAHAM M.D. (NPI 1023376449) is an individual hematology & oncology provider in Canfield, Ohio, licensed in Ohio (35132871) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with St Elizabeth Youngstown Hospital, and maintains a secondary practice location in Canfield.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. John James Graham 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 Reassignment
Medicare enrollment records show John Graham reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Canfield, OH 44406
- Reassigned Medicare billing, Ohio enrollment
- 4 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 44
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Elizabeth Youngstown Hospital
Acute Care Hospitals · Youngstown, OHMh St Joseph Warren Hospital
Acute Care Hospitals · Warren, OHHmhp St Elizabeth Boardman Health Center
Acute Care Hospitals · Boardman, OHSurgical Hospital At Southwoods
Acute Care Hospitals · Youngstown, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44406 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.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CANFIELD, OH 44406
CANFIELD, OH 44406
CANFIELD, OH 44406
CANFIELD, OH 44406
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 John Graham's NPI number?
The NPI number for John Graham is 1023376449. It was assigned to this individual provider in the NPPES registry on April 24, 2012.
Where is John Graham located?
John Graham practices at 3695A Boardman Canfield Rd, Canfield, OH 44406. The listed phone number is (330) 533-3040.
What is John Graham's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is John Graham enrolled in Medicare?
Yes. John Graham 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 organization bills Medicare for John Graham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Graham reassigns Medicare benefits to Blood & Cancer Center Inc (Canfield, OH). The 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 John Graham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Graham accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 3 other insurers list John Graham 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 John Graham affiliated with any hospitals?
According to CMS data, John Graham is affiliated with St Elizabeth Youngstown Hospital, Mh St Joseph Warren Hospital, Hmhp St Elizabeth Boardman Health Center and Surgical Hospital At Southwoods.
When was this NPI record last updated?
The NPPES record for John Graham was last updated on April 30, 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.