John Graham, M.D.
NPI 1023376449 · Hematology & Oncology Physician · Canfield, OH
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Graham, M.D. is a Hematology & Oncology Physician provider in Canfield, OH (NPI 1023376449).
Provider details
- NPI number
- 1023376449
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35132871 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
9,696 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,355 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,313 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,210 | $10 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 704 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 524 | $87 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 358 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pegfilgrastimbrand: Neulasta Onpro | 155 | 34 |
| Immun Globg(igg)/Malt/Iga Ov50brand: Octagam | 145 | — |
| Hydroxyurea | 135 | 24 |
| Acyclovir | 117 | 20 |
| Ondansetronbrand: Ondansetron Odt | 117 | 78 |
| Ibrutinibbrand: Imbruvica | 116 | — |
| Bortezomib | 113 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,395 across 152 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3695a Boardman Canfield RdCanfield, OH 44406Phone: (330) 533-3040Fax: (330) 533-9459
Registry dates
- Enumerated
- 2012-04-24
- Last updated
- 2024-04-30
- Certified
- 2024-04-30
Frequently asked questions
- What is John Graham's NPI number?
- John Graham's National Provider Identifier (NPI) is 1023376449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Graham's specialty?
- John Graham is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Graham located?
- John Graham's practice location on file with NPPES is 3695a Boardman Canfield Rd, Canfield, OH 44406.
- What is John Graham's phone number?
- The practice phone number listed in the NPPES registry for John Graham is (330) 533-3040.
- Does John Graham accept Medicare?
- John Graham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Graham's NPI active?
- Yes — John Graham's NPI (1023376449) is active in the NPPES registry as of the last update on 2024-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.