Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Gbolahan Damilola Oyinloye, MD, MHS

Individual provider Addiction Medicine (Anesthesiology) Physician · NPI 1255695888

Dr. Gbolahan Damilola Oyinloye, MD, MHS practises Psychiatry in Appleton, Wisconsin. Qualified in 2006, 20 years ago. Practices with Ascension Medical Group-Fox Valley Wisconsin, Inc, a 260-clinician group and works from 4 locations. Licensed in Missouri and Wisconsin.

Years since qualifying
20
Licensed in
MO, WI
In the registry since
2012
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2500 E Capitol Dr
Appleton, WI 54911-8735
Phone: (920) 720-2300
Fax: (920) 720-3719
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • One Hospital Drive, Columbia, MO 65212 — (573) 882-8907
  • 3860 Monroe Rd, De Pere, WI 54115-8399 — (920) 496-4700
  • 130 2nd Street, Neenah, WI 54956-1115 — (920) 729-2150

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 66497 (WI)
Addiction Medicine (Anesthesiology) Physician Taxonomy 207LA0401X · Licence 61-19284 (WI)
Psychiatry Physician Taxonomy 2084P0800X · Licence 2012018297 (MO)

Record details

NPI number1255695888
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MHS
Sole proprietorNo
NPI enumeratedJune 28, 2012
Last updated in NPPESMay 8, 2025
Certification dateMay 8, 2025

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Ascension Medical Group-Fox Valley Wisconsin, Inc — 260 clinicians
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients28
Services billed 98 a service is one billed item, such as a visit, a test or a procedure
Average patient age48

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Ascension Ne Wisconsin - St Elizabeth Campus Hospital · Appleton, WI

Colleagues at Ascension Medical Group-Fox Valley Wisconsin, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 260 clinicians in the practice; 12 are shown here.