Gary Gize, MD
NPI 1255333167 · Hematology & Oncology Physician · Fort Wayne, IN
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Gize, MD is a Hematology & Oncology Physician provider in Fort Wayne, IN (NPI 1255333167).
Provider details
- NPI number
- 1255333167
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01043454A (IN)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,439 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 592 | $116 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 358 | $12 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 336 | $82 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 266 | $108 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 155 | $13 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 124 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 108 | 38 |
| Gabapentin | 72 | 16 |
| Lenalidomidebrand: Revlimid | 64 | — |
| Trazodone Hcl | 63 | 13 |
| Apixabanbrand: Eliquis | 63 | 15 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 53 | 16 |
| Prednisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$968 across 49 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
Registry dates
- Enumerated
- 2005-08-10
- Last updated
- 2022-10-07
- Certified
- 2022-10-07
Frequently asked questions
- What is Gary Gize's NPI number?
- Gary Gize's National Provider Identifier (NPI) is 1255333167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Gize's specialty?
- Gary Gize is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Gize located?
- Gary Gize's practice location on file with NPPES is 2514 E Dupont Rd Ste 100, Fort Wayne, IN 46825-1619.
- What is Gary Gize's phone number?
- The practice phone number listed in the NPPES registry for Gary Gize is (260) 484-8830.
- Does Gary Gize accept Medicare?
- Gary Gize is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Gize's NPI active?
- Yes — Gary Gize's NPI (1255333167) is active in the NPPES registry as of the last update on 2022-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.