Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nicholas Maddens

Individual provider Internal Medicine Physician · NPI 1841420445

Nicholas Maddens is an Internal Medicine in Royal Oak, Michigan. Graduated from Wayne State University School of Medicine in 2009, 17 years ago. Practices with Oakwood Ambulatory LLC, a 272-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Michigan.

Years since qualifying
17
Trained at
Wayne State University School of Medicine
Licensed in
MI
In the registry since
2009

Practice location Address checks out

3601 W 13 Mile Rd
Royal Oak, MI 48073-6712
Phone: (248) 898-5000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301094694 (MI)

Record details

NPI number1841420445
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 17, 2009
Last updated in NPPESOctober 23, 2020
Certification dateOctober 23, 2020
Mailing address3601 W 13 Mile Rd, 400 Fsc/Pcs, Royal Oak, MI 48073-6712

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Oakwood Ambulatory Llc — 272 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Royal Oak