Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Nicholas Maddens, MD

Works at hospitals in Farmington Hills, MI · Royal Oak, MI · Troy, MI · Michigan

Summary

Nicholas Maddens, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Farmington Hills, MI, Royal Oak, MI and Troy, MI. NPI 1841420445. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Nicholas Maddens, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
17Years since medical school (graduated 2009)
Wayne State University School Of MedicineMedical school
MaleGender (as listed)
Oakwood Ambulatory LLCGroup practice

Quick answers

Which hospitals does Nicholas Maddens work at?
Medicare's official clinician data lists Nicholas Maddens at 3 hospitals: Beaumont Hospital - Farmington Hills, Beaumont Hospital Royal Oak and Beaumont Hospital, Troy. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Nicholas Maddens see patients?
Medicare's clinician data lists 1 practice location in Dearborn, MI. Call before your visit to confirm the address.
What is Nicholas Maddens's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Nicholas Maddens accept Medicare assignment?
Yes. Medicare's clinician data says Nicholas Maddens accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Nicholas Maddens offer telehealth?
Medicare's clinician data says Nicholas Maddens offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Nicholas Maddens?
(313) 436-2898, as listed in official Medicare / NPI Registry data.
What is Nicholas Maddens's NPI number?
1841420445. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nicholas Maddens works

Medicare's Facility Affiliation Data lists Nicholas Maddens at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Nicholas Maddens is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nicholas Maddens as a member of this group (CMS data updated 2026-10-02).

  • Oakwood Ambulatory LLC274 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Dearborn

Clinicians with the same Medicare primary specialty in Dearborn, MI — not a recommendation.

All internal medicine doctors in Dearborn →

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1841420445
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians