Gerard Chaaya
NPI 1508270778 · Hematology & Oncology Physician · Stuart, FL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerard Chaaya is a Hematology & Oncology Physician provider in Stuart, FL (NPI 1508270778).
Provider details
- NPI number
- 1508270778
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- U4758 (TX)
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 tenure25% of score
12 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
281 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 | 131 | $129 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 77 | $181 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 41 | $223 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 32 | $172 |
Typical Medicare-allowed amounts for these services range $129–$223 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 67 | 26 |
| Omeprazole | 65 | 25 |
| Prednisone | 42 | 17 |
| Dexamethasone | 34 | 18 |
| Ondansetron Hcl | 31 | 22 |
| Letrozole | 30 | 14 |
| Abiraterone Acetate | 20 | — |
| Apixabanbrand: Eliquis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$788 across 32 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
- 2014-06-16
- Last updated
- 2026-04-09
- Certified
- 2026-04-09
Frequently asked questions
- What is Gerard Chaaya's NPI number?
- Gerard Chaaya's National Provider Identifier (NPI) is 1508270778, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerard Chaaya's specialty?
- Gerard Chaaya is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gerard Chaaya located?
- Gerard Chaaya's practice location on file with NPPES is 501 Se Osceola St, Stuart, FL 34994-2301.
- What is Gerard Chaaya's phone number?
- The practice phone number listed in the NPPES registry for Gerard Chaaya is (772) 419-2162.
- Does Gerard Chaaya accept Medicare?
- Gerard Chaaya is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerard Chaaya's NPI active?
- Yes — Gerard Chaaya's NPI (1508270778) is active in the NPPES registry as of the last update on 2026-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.