RYAN ELIZABETH PARKER MD
NPI 1871793745
Emergency Medicine in Fort Worth, TX
About Ryan Elizabeth Parker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN ELIZABETH PARKER MD (NPI 1871793745) is an individual emergency medicine provider in Fort Worth, Texas, licensed in Texas (N5316) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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 Elizabeth Parker Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Ryan Parker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mcalester, OK 74501
- Reassigned Medicare billing, Oklahoma enrollment
- Medicare enrollment name: Warren Clinic Inc
- 1,144 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 226 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 263 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 76112 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.
FORT WORTH, TX 76112
FORT WORTH, TX 76112
FT WORTH, TX 76112
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 Parker's NPI number?
The NPI number for Ryan Parker is 1871793745. It was assigned to this individual provider in the NPPES registry on July 19, 2007. The provider is also known as Ryan Elizabeth Hayes.
Where is Ryan Parker located?
Ryan Parker practices at 6451 Brentwood Stair Rd Suite 200, Fort Worth, TX 76112. The listed phone number is (817) 496-9700.
What is Ryan Parker's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ryan Parker enrolled in Medicare?
Yes. Ryan Parker is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ryan Parker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Parker reassigns Medicare benefits to 3 organizations: Warren Clinics Inc (Mcalester, OK), Emergency Medicine Physicians Of Tulsa County, LLC (Tulsa, OK) and Ies ER Oklahoma 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 Parker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Parker accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Mending Health list Ryan Parker 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 Parker was last updated on August 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Ryan Elizabeth Parker, MD · NPI 1871793745
Emergency Medicine physician in Fort Worth, Texas. Individual provider, active in the CMS NPPES registry since July 19, 2007.
## Identity
- **NPI:** 1871793745 (Entity type: Individual)
- **Enumerated:** July 19, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** N5316 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6451 BRENTWOOD STAIR RD, SUITE 200, Fort Worth, TX 76112-3200
- **Phone:** (817) 496-9700 · **Fax:** (817) 496-9889
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Warren Clinics Inc (NPI 1649204074, Mcalester, OK); Emergency Medicine Physicians Of Tulsa County, LLC (NPI 1003098773, Tulsa, OK); Ies ER Oklahoma LLC (NPI 1447148093, Tulsa, OK) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 27, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1871793745) · Data from the CMS NPPES public registry.