2026 NPPES data Hematology & Oncology Physician NPI 1003805375 MD
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SUSAN BROWN, MD

Hematology & Oncology Physician in NILES, Illinois. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
13
Medicare Part D claims · Hematology & Oncology Physician avg: 847
What the federal data reveals: SUSAN BROWN, MD is a Hematology & Oncology Physician ([object Object]) practicing in NILES, Illinois with a Medicare Part D prescribing footprint of 13 claims .

What the federal data shows

SUSAN BROWN, MD filed 13 Medicare Part D claims in 2023 as a Hematology & Oncology Physician in NILES, Illinois.

13
Part D claims, 2023

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

Board-eligible specialty (heuristic — not verified)

SUSAN BROWN, MD practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).

SUSAN BROWN, MD at a glance

Quality data not reported

NPI registry status

Active

Issued 10/19/2005

NPI 1003805375

Primary specialty

Hematology & Oncology Physician

Mid-sized

11,215 US NPIs in this specialty

Medicare Part D claims

13 98% vs specialty avg

2023 prescription claims

Specialty avg: 847

Specialty distribution in Illinois

How Hematology & Oncology Physician compares to other specialties among Illinois providers

Illinois providers

Hematology & Oncology Physician share within Illinois

1. Hematology & Oncology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Hematology & Oncology Physician share within Illinois

Specialty board-certification context

Estimated specialty board-certified rate — Hematology & Oncology Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Hematology & Oncology Physician ABMS/AOA estimate

Est. board-certified rate (Hematology & Oncology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Hematology & Oncology Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

SUSAN BROWN, MD is a Hematology & Oncology Physician provider practicing in NILES, Illinois, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1003805375. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

SUSAN BROWN, MD appears in the CMS NPPES registry as a Hematology & Oncology Physician provider holding MD credentials at 8915 W GOLF RD, NILES, IL, 60714, with a listed phone of (847) 827-9060. NPI 1003805375 was issued on 10/19/2005. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what BROWN most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 13 prescription claims written by this provider, covering N/A Medicare beneficiaries and totaling roughly $75 in drug spend. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Hematology & Oncology Physician is a mid-sized specialty nationwide, with 11,215 enrolled providers across 54 states and an average of 847 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

8915 W GOLF RD
NILES, IL 60714

Provider Details

NPI 1003805375
Specialty Hematology & Oncology Physician
Credentials MD
Gender Female
NPI Issued 10/19/2005

License & disciplinary context — Illinois IDFPR 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~42K Illinois medical licensees in 2023 — they are NOT specific to SUSAN BROWN, MD. To verify SUSAN BROWN, MD's current license status, search the IDFPR public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

106
Total board actions, Illinois 2023
Across 103 cases
2.52
Actions per 1,000 licensees
Illinois statewide rate
probation
Most common action type
38 cases

IDFPR publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Illinois disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

13
Total Claims
$75
Total Drug Cost
N/A
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
13
Total Day Supply
369
Brand Drug Cost
$0
Generic Drug Cost
$75

Patient Demographics

Average Patient Age
85.0 years
Avg HCC Risk Score
1.14

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Lisinopril
13

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Hematology & Oncology Physician Overview

How SUSAN BROWN, MD fits within the Hematology & Oncology Physician landscape nationally.

11,215
Hematology & Oncology Physician Providers in US
54
States with Hematology & Oncology Physician
847
Avg Claims per Provider

SUSAN BROWN, MD's 13 claims are below the specialty average of 847.

Nearby Hematology & Oncology Physician Providers in Illinois

Other clinicians with the same primary specialty enrolled in Illinois, drawn from the same CMS NPPES roster as BROWN.

Compare Hematology & Oncology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is SUSAN BROWN, MD's specialty?
SUSAN BROWN, MD specializes in Hematology & Oncology Physician and practices in NILES, Illinois. Credentials: MD.
How much does SUSAN BROWN, MD prescribe under Medicare Part D?
In 2023, SUSAN BROWN, MD wrote 13 Medicare Part D claims totaling $75 in drug costs for N/A beneficiaries.
Where is SUSAN BROWN, MD located?
SUSAN BROWN, MD is located at 8915 W GOLF RD, NILES, IL, 60714. Phone: (847) 827-9060.
What is SUSAN BROWN, MD's NPI number?
SUSAN BROWN, MD's National Provider Identifier (NPI) is 1003805375, issued on 10/19/2005.
How many Hematology & Oncology Physician providers are there in the US?
There are 11,215 Hematology & Oncology Physician providers across 54 states in the US. The average Hematology & Oncology Physician provider writes 847 Medicare Part D claims per year.
What drugs does SUSAN BROWN, MD prescribe most often?
Based on 2023 Medicare Part D data, SUSAN BROWN, MD's most frequently prescribed drugs include Lisinopril. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does SUSAN BROWN, MD accept Medicare?
SUSAN BROWN, MD appears in CMS Medicare data with 13 Part D claims and N/A Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify SUSAN BROWN, MD's credentials?
SUSAN BROWN, MD's NPI is 1003805375 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology