What is Daniel Olson's NPI number?

Daniel Olson's National Provider Identifier (NPI) is 1003234329, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Daniel Olson's specialty?

Daniel Olson is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).

Where is Daniel Olson located?

Daniel Olson's practice location on file with NPPES is 5841 S Maryland Ave # Mc2115, Chicago, IL 60637-1447.

What is Daniel Olson's phone number?

The practice phone number listed in the NPPES registry for Daniel Olson is (773) 702-0878.

Does Daniel Olson accept Medicare?

Daniel Olson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Daniel Olson's NPI active?

Yes — Daniel Olson's NPI (1003234329) is active in the NPPES registry as of the last update on 2022-07-21.

IndividualActiveAccepts Medicare

Daniel Olson, M.D.

NPI 1003234329 · Hematology & Oncology Physician · Chicago, IL

Daniel Olson, M.D. is a Hematology & Oncology Physician provider in Chicago, IL (NPI 1003234329).

Provider details

NPI number: 1003234329
Entity type: Individual
Primary specialty: Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes

Practice location

5841 S Maryland Ave # Mc2115

Chicago, IL 60637-1447

Phone: (773) 702-0878

Street-level locationGet directions

More IL providers

Mailing address

180 Harvester Dr Ste 110

Burr Ridge, IL 60527-6686

Specialties & taxonomies

Hematology & Oncology PhysicianPrimary207RH0003XLicense 036.142550 (IL)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Enrolled with Medicare as Practitioner - Hematopoietic Cell Transplantation and Cellular Therapy · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(58/100 index)

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
83% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
637 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 methodology.

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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215	193	$159
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	142	$18
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233	135	$130
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	92	$106
New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205	53	$201

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 2 distinct drugs on file.

Drug	Part D claims (2024)
Levothyroxine Sodium	32
Imatinib Mesylate	12

Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do not include cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$3,930 across 2 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.

Enumerated: 2014-04-03
Last updated: 2022-07-21

Frequently asked questions

What is Daniel Olson's NPI number?: Daniel Olson's National Provider Identifier (NPI) is 1003234329, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Daniel Olson's specialty?: Daniel Olson is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
Where is Daniel Olson located?: Daniel Olson's practice location on file with NPPES is 5841 S Maryland Ave # Mc2115, Chicago, IL 60637-1447.
What is Daniel Olson's phone number?: The practice phone number listed in the NPPES registry for Daniel Olson is (773) 702-0878.
Does Daniel Olson accept Medicare?: Daniel Olson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Daniel Olson's NPI active?: Yes — Daniel Olson's NPI (1003234329) is active in the NPPES registry as of the last update on 2022-07-21.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215	193	$159
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	142	$18
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233	135	$130
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	92	$106
New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205	53	$201

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 2 distinct drugs on file.

Drug	Part D claims (2024)
Levothyroxine Sodium	32
Imatinib Mesylate	12

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$3,930 across 2 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments