Charles Andrew Chacko, MD
NPI 1518301019 · Hematology & Oncology Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Andrew Chacko, MD is a Hematology & Oncology Physician provider in Phoenix, AZ (NPI 1518301019).
Provider details
- NPI number
- 1518301019
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301102344 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
13 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
446 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 | 172 | $88 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 140 | $58 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 116 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $107 |
Typical Medicare-allowed amounts for these services range $16–$107 (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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 80 | 20 |
| Abiraterone Acetate | 77 | — |
| Apixabanbrand: Eliquis | 55 | 14 |
| Rivaroxabanbrand: Xarelto | 36 | — |
| Tramadol Hcl | 32 | — |
| Anastrozole | 29 | 12 |
| Allopurinol | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$11,749 across 69 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)
- 2375 S Ridgeview DrYuma, AZ 85364-8868Phone: (928) 317-2518Fax: (928) 317-1811
Registry dates
- Enumerated
- 2013-04-26
- Last updated
- 2025-06-23
- Certified
- 2025-06-23
Frequently asked questions
- What is Charles Andrew Chacko's NPI number?
- Charles Andrew Chacko's National Provider Identifier (NPI) is 1518301019, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Andrew Chacko's specialty?
- Charles Andrew Chacko is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Andrew Chacko located?
- Charles Andrew Chacko's practice location on file with NPPES is 2222 E Highland Ave Ste 400, Phoenix, AZ 85016-4880.
- What is Charles Andrew Chacko's phone number?
- The practice phone number listed in the NPPES registry for Charles Andrew Chacko is (855) 485-4673.
- Does Charles Andrew Chacko accept Medicare?
- Charles Andrew Chacko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Andrew Chacko's NPI active?
- Yes — Charles Andrew Chacko's NPI (1518301019) is active in the NPPES registry as of the last update on 2025-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.