RYAN W DENNIS MD
NPI 1992930564
Internal Medicine in Oklahoma City, OK
About Ryan W Dennis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN W DENNIS MD (NPI 1992930564) is an individual internal medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (27136) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS and maintains a secondary practice location in Tulsa.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ryan W Dennis Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Ryan Dennis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oklahoma City, OK 73102
- Reassigned Medicare billing, Oklahoma enrollment
- 212 clinicians in this Medicare group
Tulsa, OK 74145
- Reassigned Medicare billing, Oklahoma enrollment
- 24 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73111
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 Ryan Dennis's NPI number?
The NPI number for Ryan Dennis is 1992930564. It was assigned to this individual provider in the NPPES registry on May 26, 2009.
Where is Ryan Dennis located?
Ryan Dennis practices at 1720 NE 23rd St, Oklahoma City, OK 73111. The listed phone number is (405) 280-5550.
What is Ryan Dennis's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ryan Dennis enrolled in Medicare?
Yes. Ryan Dennis is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ryan Dennis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Dennis reassigns Medicare benefits to 2 organizations: Ssm Health Care Of Oklahoma, Inc (Oklahoma City, OK) and National Family Medical Associates, LLC (Tulsa, OK). 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 Ryan Dennis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Dennis accept?
Health plans from Blue Cross and Blue Shield of Oklahoma, Mending Health and UnitedHealthcare list Ryan Dennis 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.
When was this NPI record last updated?
The NPPES record for Ryan Dennis was last updated on July 14, 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.