DR. DENNIS LLOYD AZUMA (MD) – Hematology & Oncology Physician, NPI 1477658862

DR. DENNIS LLOYD AZUMA (MD) is a healthcare provider. based in Naperville, Illinois. specializing in Hematology & Oncology Physician. They hold the professional credentials MD. They hold a License No. 036-078550 (IL). The NPI Number for DR. DENNIS LLOYD AZUMA (MD) is 1477658862

Main info

Male
Accepts Medicare Assignment
Name
DR. DENNIS LLOYD AZUMA (MD)
NPI
1477658862
Phone
(630) 369-1501
Address
100 Spalding Drive
Enumeration Date
13 September 2006
Last Update Date
20 October 2020

Doctor Profile

Medical School Name
LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Secondary Phone
8476808066
Graduation Year
null (2026 years ago)
PAC ID
9537105416
Group Practice PAC ID
7810800935
Professional Enrollment ID
I20100505000950
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

Provider Addresses for DR. DENNIS LLOYD AZUMA (MD)

  • 100 Spalding Drive

    Suite 110

    Naperville, IL 60540

    Phone: (630) 369-1501

    Fax: (630) 309-1560

    Type: Location

  • Highland Avenue, Downers Grove, DuPage County, Illinois, 60515, United States

    DOWNERS GROVE, IL 605151584

    Phone: (630) 369-1501

    Fax: (630) 309-1560

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

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Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60540)

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Provider's Procedures

DR. DENNIS LLOYD AZUMA (MD) performs procedures in Hematology & Oncology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
HEMATOLOGY/ONCOLOGYIL96367Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour42241

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7810800935View full group profile

Reviews

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Frequently asked questions

Can I verify DR. DENNIS LLOYD AZUMA (MD) with an NPI only?
You can start verification with NPI 1477658862 for DR. DENNIS LLOYD AZUMA (MD), then check state licensing separately.
Is DR. DENNIS LLOYD AZUMA (MD) listed as active for patients and plans?
The listing shows DR. DENNIS LLOYD AZUMA (MD) as active in the NPI system.
What is DR. DENNIS LLOYD AZUMA (MD)'s specialty?
The listing groups DR. DENNIS LLOYD AZUMA (MD) with Hematology & Oncology Physician. Clinical services aligned with this taxonomy classification.
Where is DR. DENNIS LLOYD AZUMA (MD) based?
DR. DENNIS LLOYD AZUMA (MD) is tied to Naperville, Illinois in the data we show; additional addresses may exist on the full record.
How many locations tie to this NPI?
3 practice locations appear in the available data.

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