OLUWASEUN DAVIES MD
NPI 1164779179
Internal Medicine - Critical Care Medicine in Randallstown, MD
About Oluwaseun Davies Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLUWASEUN DAVIES MD (NPI 1164779179) is an individual critical care medicine provider in Randallstown, Maryland, licensed in Maryland (D86168) and active in the NPI registry since August 2012. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Oluwaseun Davies Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
13Medicare enrollment records show Oluwaseun Davies reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mason, MI 48854
- Reassigned Medicare billing, Michigan enrollment
- 916 clinicians in this Medicare group
Rockford, MI 49341
- Reassigned Medicare billing, Michigan enrollment
- 737 clinicians in this Medicare group
Dawsonville, GA 30534
- Reassigned Medicare billing, Georgia enrollment
- 466 clinicians in this Medicare group
Lawrenceville, GA 30046
- Reassigned Medicare billing, Georgia enrollment
- 275 clinicians in this Medicare group
Sheboygan, WI 53081
- Reassigned Medicare billing, Texas enrollment
- 7 clinicians in this Medicare group
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 clinicians in this Medicare group
Green Bay, WI 54303
- Reassigned Medicare billing, Texas enrollment
- 6 clinicians in this Medicare group
Escanaba, MI 49829
- Reassigned Medicare billing, Michigan enrollment
- 440 clinicians in this Medicare group
Owen, WI 54460
- Reassigned Medicare billing, Wisconsin enrollment
- 48 clinicians in this Medicare group
Star City, AR 71667
- Reassigned Medicare billing, Arkansas enrollment
- 106 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann Hospital System
Acute Care Hospitals · Houston, TXMemorial Hermann Sugar Land Hospital
Acute Care Hospitals · Sugar Land, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21133 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Oluwaseun Davies's NPI number?
The NPI number for Oluwaseun Davies is 1164779179. It was assigned to this individual provider in the NPPES registry on August 8, 2012.
Where is Oluwaseun Davies located?
Oluwaseun Davies practices at 5401 Old Court Rd, Randallstown, MD 21133. The listed phone number is (410) 521-5973.
What is Oluwaseun Davies's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Oluwaseun Davies enrolled in Medicare?
Yes. Oluwaseun Davies is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Oluwaseun Davies's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oluwaseun Davies reassigns Medicare benefits to 13 organizations: Edward W. Sparrow Hospital Association (Mason, MI), Advantage Health Saint Mary's Medical Group (Rockford, MI), Northside Primary Care Professional Services, LLC (Dawsonville, GA), Gwinnett Physician Group, LLC (Lawrenceville, GA), St Nicholas Hospital-Sisters Of The Third Order Of St Francis (Sheboygan, WI) and 8 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Oluwaseun Davies's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Oluwaseun Davies accept?
Health plans from CareSource, Health Advantage and Octave list Oluwaseun Davies as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Oluwaseun Davies affiliated with any hospitals?
According to CMS data, Oluwaseun Davies is affiliated with Memorial Hermann Hospital System and Memorial Hermann Sugar Land Hospital.
When was this NPI record last updated?
The NPPES record for Oluwaseun Davies was last updated on January 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Oluwaseun Davies, MD · NPI 1164779179
Critical Care Medicine physician in Randallstown, Maryland. Individual provider, active in the CMS NPPES registry since August 8, 2012.
## Identity
- **NPI:** 1164779179 (Entity type: Individual)
- **Enumerated:** August 8, 2012
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** D86168 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 5401 OLD COURT RD, Randallstown, MD 21133-5103
- **Phone:** (410) 521-5973 · **Fax:** (410) 521-7669
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 13 organizations under Medicare reassignment (form CMS-855R): Edward W. Sparrow Hospital Association (NPI 1689683641, Mason, MI); Advantage Health Saint Mary's Medical Group (NPI 1083014914, Rockford, MI); Northside Primary Care Professional Services, LLC (NPI 1215369715, Dawsonville, GA); Gwinnett Physician Group, LLC (NPI 1578574661, Lawrenceville, GA); St Nicholas Hospital-Sisters Of The Third Order Of St Francis (NPI 1447737762, Sheboygan, WI); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** January 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1164779179) · Data from the CMS NPPES public registry.