Gerald Falchook, MD
NPI 1366541294 · Medical Oncology Physician · Denver, CO
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Falchook, MD is a Medical Oncology Physician provider in Denver, CO (NPI 1366541294).
Provider details
- NPI number
- 1366541294
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L9191 (TX)
Specialties & taxonomies
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
19 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
1,013 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) |
|---|---|---|
| Injection of Additional New Drug Or Substance Into Vein96375 | 272 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 247 | $181 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 232 | $133 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 137 | $28 |
| Infusion Into a Vein for Hydration, Each Additional Hour96361 | 37 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$600 across 21 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
- 2006-09-21
- Last updated
- 2016-02-09
Frequently asked questions
- What is Gerald Falchook's NPI number?
- Gerald Falchook's National Provider Identifier (NPI) is 1366541294, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Falchook's specialty?
- Gerald Falchook is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Falchook located?
- Gerald Falchook's practice location on file with NPPES is 1800 Williams St, Denver, CO 80218-1234.
- What is Gerald Falchook's phone number?
- The practice phone number listed in the NPPES registry for Gerald Falchook is (720) 754-2610.
- Does Gerald Falchook accept Medicare?
- Gerald Falchook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Falchook's NPI active?
- Yes — Gerald Falchook's NPI (1366541294) is active in the NPPES registry as of the last update on 2016-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.