What is Nicholas Maddens's specialty?

Nicholas Maddens (NPI 1841420445) is a Medicare-billing provider whose primary specialty is Internal Medicine in Royal Oak, MI.

Where does Nicholas Maddens practice?

Nicholas Maddens practices in Royal Oak, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1841420445.

How much does Medicare pay Nicholas Maddens?

Nicholas Maddens (NPI 1841420445) received approximately $20K in total Medicare Part B payments, serving 194 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1841420445

Nicholas Maddens

PRACTICEKWAN YEE MD PLCSee all providers at this practice →

Internal MedicineRoyal Oak, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

282

Unique beneficiaries

—

Total services

341

Distinct HCPCS

Medicare payment

$17K

Peer benchmark

Total Medicare services vs. 3,459 Internal Medicine providers in MI — below median (cohort median 549).

PRESCRIBING · PART D · 2024

Total Rx claims

3,452

Beneficiaries

—

Total drug cost

$317K

Distinct drugs

Brand share

17.9%

Top prescribed drugs

Atorvastatin Calcium303 claims

Amlodipine Besylate264 claims

Rosuvastatin Calcium170 claims

Losartan Potassium162 claims

Lisinopril153 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Nicholas Maddens'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). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Sandor Shoichet Internal Medicine · Berkley, MI	32	188
Alexandra Halalau Internal Medicine · Royal Oak, MI	24	137
NPI 1194733964	23	76
James Stewart Cardiology · Berkley, MI	19	62
PAI, BHANU	13	43
WILLIAM BEAUMONT HOSPITAL	13	31
ROBERTSON, ROBERT	11	40

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