DR. MICHAEL D SIMS M.D.
NPI 1336114313
Family Medicine in Grand Prairie, TX
About Dr. Michael D Sims M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL D SIMS M.D. (NPI 1336114313) is an individual family medicine provider in Grand Prairie, Texas, licensed in Texas (K3008) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Methodist Charlton Medical Center, and maintains a secondary practice location in Grand Prairie.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Dr. Michael D Sims M.d. 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 Reassignment
Medicare enrollment records show Michael Sims reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Prairie, TX 75052
- Reassigned Medicare billing, Texas enrollment
- 562 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 11
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Methodist Charlton Medical Center
Acute Care Hospitals · Dallas, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75052 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DALLAS, TX 75052
GRAND PRAIRIE, TX 75052
GRAND PRAIRIE, TX 75052
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 Michael Sims's NPI number?
The NPI number for Michael Sims is 1336114313. It was assigned to this individual provider in the NPPES registry on February 22, 2006.
Where is Michael Sims located?
Michael Sims practices at 4560 Lake Ridge Parkway Suite 200, Grand Prairie, TX 75052. The listed phone number is (972) 263-5272.
What is Michael Sims's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Michael Sims enrolled in Medicare?
Yes. Michael Sims 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 organization bills Medicare for Michael Sims's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Sims reassigns Medicare benefits to Medhealth (Grand Prairie, 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 Michael Sims's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Sims accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Cigna Healthcare, Imperial Insurance Companies, Inc. and Oscar Insurance Company and 1 other insurer list Michael Sims 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 Michael Sims affiliated with any hospitals?
According to CMS data, Michael Sims is affiliated with Methodist Charlton Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Sims was last updated on June 12, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.