What is Ishmael Jaiyesimi's specialty?

Ishmael Jaiyesimi (NPI 1538128178) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Royal Oak, MI.

Where does Ishmael Jaiyesimi practice?

Ishmael Jaiyesimi practices in Royal Oak, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1538128178.

How much does Medicare pay Ishmael Jaiyesimi?

Ishmael Jaiyesimi (NPI 1538128178) received approximately $3.7M in total Medicare Part B payments, serving 669 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1538128178

Ishmael JaiyesimiD.O.

PRACTICECANCER CARE ASSOCIATES PCSee all providers at this practice →

Hematology-OncologyRoyal Oak, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,565

Unique beneficiaries

—

Total services

157,071

Distinct HCPCS

Medicare payment

$1.4M

Peer benchmark

Total Medicare services vs. 228 Hematology-Oncology providers in MI — top quintile (cohort median 844).

PRESCRIBING · PART D · 2024

Total Rx claims

1,064

Beneficiaries

—

Total drug cost

$6.4M

Distinct drugs

Brand share

49.6%

Top prescribed drugs

Lenalidomide111 claims

Acalabrutinib Maleate87 claims

Anastrozole67 claims

Letrozole66 claims

Acyclovir60 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

By payment type

Long term medical supply or device loan$1,000

Food and Beverage$847

Top paying entities

Long term medical supply or device loan$1,000

Food and Beverage$847

REFERRAL NETWORK

Where Ishmael Jaiyesimi's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 104 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Michael Stender Hematology-Oncology · Royal Oak, MI	370	3,645
NPI 1194733964	149	462
James Stewart Cardiology · Berkley, MI	126	285
WILLIAM BEAUMONT HOSPITAL	86	408
Robert Levin Internal Medicine · Royal Oak, MI	64	169
SYKES, ELIZABETH	53	251
NPI 1407817547	50	119
Stephen Kilanowski Diagnostic Radiology · Royal Oak, MI	48	102
DONOVAN, KENT	47	105
Daniel Piziali Diagnostic Radiology · Royal Oak, MI	47	123
Syed Jafri Diagnostic Radiology · Royal Oak, MI	45	118
Monisha Shetty Diagnostic Radiology · Royal Oak, MI	44	127

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events