DR. MARK LANDERS RIDDLE DO
NPI 1770748972
Emergency Medicine in Fort Hood, TX
About Dr. Mark Landers Riddle Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK LANDERS RIDDLE DO (NPI 1770748972) is an individual emergency medicine provider in Fort Hood, Texas, licensed in Texas (N9944) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Dr. Mark Landers Riddle Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Riddle reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Woodway, TX 76712
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Premier Physicians - Ii PA
- 92 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 76544 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 CAVAZOS, TX 76544
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 Mark Riddle's NPI number?
The NPI number for Mark Riddle is 1770748972. It was assigned to this individual provider in the NPPES registry on July 28, 2008.
Where is Mark Riddle located?
Mark Riddle practices at 590 Medical Center Road Building 36065, Fort Hood, TX 76544. The listed phone number is (254) 288-8000.
What is Mark Riddle's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Riddle enrolled in Medicare?
Yes. Mark Riddle is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Riddle's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Riddle reassigns Medicare benefits to Premier Physicians-Ii, P.A. (Woodway, TX). The 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 Mark Riddle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Riddle accept?
Health plans from Baylor Scott and White Health Plan and Harbor Health list Mark Riddle 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 Mark Riddle was last updated on January 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.
# Dr. Mark Landers Riddle, DO · NPI 1770748972
Emergency Medicine physician in Fort Hood, Texas. Individual provider, active in the CMS NPPES registry since July 28, 2008.
## Identity
- **NPI:** 1770748972 (Entity type: Individual)
- **Enumerated:** July 28, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** N9944 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 590 MEDICAL CENTER ROAD, BUILDING 36065, Fort Hood, TX 76544
- **Phone:** (254) 288-8000
## 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:** Premier Physicians-Ii, P.A. (NPI 1801204656, Woodway, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 31, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1770748972) · Data from the CMS NPPES public registry.