Daniel Chakos, M.D.
NPI 1487034674 · Hematology & Oncology Physician · Hinsdale, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Chakos, M.D. is a Hematology & Oncology Physician provider in Hinsdale, IL (NPI 1487034674).
Provider details
- NPI number
- 1487034674
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036156926 (IL)
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
11 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
1,644 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) |
|---|---|---|
| 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 | 461 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 294 | $99 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 200 | $67 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 119 | $147 |
| 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 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 89 | 24 |
| Anastrozole | 68 | 18 |
| Hydroxyurea | 63 | 17 |
| Prednisone | 44 | 11 |
| Ondansetron Hcl | 30 | 25 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 27 | — |
| Prochlorperazine Maleate | 26 | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$200 across 10 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
- 2015-06-03
- Last updated
- 2021-08-26
- Certified
- 2021-08-26
Frequently asked questions
- What is Daniel Chakos's NPI number?
- Daniel Chakos's National Provider Identifier (NPI) is 1487034674, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Chakos's specialty?
- Daniel Chakos is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Chakos located?
- Daniel Chakos's practice location on file with NPPES is 1 Salt Creek Ln Ste 100, Hinsdale, IL 60521-2971.
- What is Daniel Chakos's phone number?
- The practice phone number listed in the NPPES registry for Daniel Chakos is (630) 286-5500.
- Does Daniel Chakos accept Medicare?
- Daniel Chakos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Chakos's NPI active?
- Yes — Daniel Chakos's NPI (1487034674) is active in the NPPES registry as of the last update on 2021-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.