Gregory Pollack, M.D.
NPI 1346428158 · Hematology & Oncology Physician · Wailuku, HI
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Pollack, M.D. is a Hematology & Oncology Physician provider in Wailuku, HI (NPI 1346428158).
Provider details
- NPI number
- 1346428158
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2009-00799 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 87 | 18 |
| Abiraterone Acetate | 79 | 14 |
| Letrozole | 74 | 23 |
| Imatinib Mesylate | 67 | — |
| Hydroxyurea | 65 | 17 |
| Dexamethasone | 63 | 24 |
| Lenalidomide | 61 | 11 |
| Anastrozole | 48 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-02-04
- Last updated
- 2021-05-10
- Certified
- 2021-05-10
Frequently asked questions
- What is Gregory Pollack's NPI number?
- Gregory Pollack's National Provider Identifier (NPI) is 1346428158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Pollack's specialty?
- Gregory Pollack is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Pollack located?
- Gregory Pollack's practice location on file with NPPES is 80 Mahalani St, Wailuku, HI 96793-2531.
- What is Gregory Pollack's phone number?
- The practice phone number listed in the NPPES registry for Gregory Pollack is (808) 243-6000.
- Does Gregory Pollack accept Medicare?
- Gregory Pollack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Pollack's NPI active?
- Yes — Gregory Pollack's NPI (1346428158) is active in the NPPES registry as of the last update on 2021-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.