DANIEL CHAKOS M.D.
NPI 1487034674
Internal Medicine - Hematology & Oncology in Hinsdale, IL

Q: What is Daniel Chakos's NPI number?

The NPI number for Daniel Chakos is 1487034674. It was assigned to this individual provider in the NPPES registry on June 3, 2015.

Q: What is Daniel Chakos's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Daniel Chakos was last updated on August 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 03, 2015PECOS EnrolledAccepts Medicare Assignment

60.09/100

CMS Quality Rating

1 SALT CREEK LN STE 100, HINSDALE, IL 60521(630) 286-5500 Get Directions Write a Review

NPPES record last updated: August 26, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 26, 2021, Nov 26, 2018 (2 updates tracked since 2018).

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About Daniel Chakos M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DANIEL CHAKOS M.D. (NPI 1487034674) is an individual hematology & oncology provider in Hinsdale, Illinois, licensed in Illinois (036156926) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Adventist La Grange Memorial Hospital, and is a graduate of Rush Medical College Of Rush University (2015).

NPPES Registry Identity

NPI1487034674

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDANIEL CHAKOSCredential: M.D.

Location Address1 SALT CREEK LN STE 100Hinsdale, IL 60521-2971

Mailing Address1 Salt Creek Ln Ste 100Hinsdale, IL 60521-2971 · (630) 286-5500

Phone(630) 286-5500

Sole ProprietorYes

Medical School CMSRush Medical College Of Rush UniversityGraduated 2015

Enumeration DateJune 3, 2015

Last NPPES UpdateAugust 26, 20212 updates tracked since enumeration

NPPES CertifiedAugust 26, 2021

✔ NPI 1487034674 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in IL · 036156926

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

1 SALT CREEK LN STE 100, Hinsdale, IL 60521

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Daniel Chakos M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6608189204

PECOS Enrollment IDI20210903000597

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Daniel Chakos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ahp Specialty Care Nfp

1.5 mi

Specialist

1 SALT CREEK LN
Hinsdale, IL 60521

Reassigned Medicare billing, Illinois enrollment
44 clinicians in this Medicare group

NPI 1619334406 (630) 286-5500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

294 services87 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

200 services98 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

119 services68 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

92 services90 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

83 services55 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

68 services18 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

57 services32 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

57 services44 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

27 services27 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

26 services26 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

26 services12 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

22 services22 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

11 services11 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Adventist La Grange Memorial Hospital

Acute Care Hospitals · La Grange, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140065

Location5101 S Willow Springs RdLa Grange, IL 60525 · Cook County

Emergency services

Adventist Hinsdale Hospital

Acute Care Hospitals · Hinsdale, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140122

Location120 North Oak StHinsdale, IL 60521 · Du Page County

Emergency services Birthing friendly

Uchicago Medicine Adventhealth Bolingbrook

Acute Care Hospitals · Bolingbrook, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140304

Location500 Remington BoulevardBolingbrook, IL 60440 · Will County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60521 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$181.38 typical visit price

range $59.81 – $181.38

Typical copayment $45.34 (range $14.95 – $45.34)

Most-billed visit code 99205

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

60.09/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

51.33

Improvement Activities

Cost

41.54

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

OANA ANDREEA RAICU

Surgery

1 SALT CREEK LN STE 100
HINSDALE, IL 60521

Dupage County (630) 286-5570

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Daniel Chakos's NPI number?

The NPI number for Daniel Chakos is 1487034674. It was assigned to this individual provider in the NPPES registry on June 3, 2015.

Where is Daniel Chakos located?

Daniel Chakos practices at 1 Salt Creek Ln Ste 100, Hinsdale, IL 60521. The listed phone number is (630) 286-5500.

What is Daniel Chakos's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Daniel Chakos enrolled in Medicare?

Yes. Daniel Chakos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Daniel Chakos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Chakos reassigns Medicare benefits to Ahp Specialty Care Nfp (Hinsdale, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Daniel Chakos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Daniel Chakos accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Daniel Chakos as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Daniel Chakos affiliated with any hospitals?

According to CMS data, Daniel Chakos is affiliated with Adventist La Grange Memorial Hospital, Adventist Hinsdale Hospital and Uchicago Medicine Adventhealth Bolingbrook.

When was this NPI record last updated?

The NPPES record for Daniel Chakos was last updated on August 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.