DR. JOHN DAVID MARR DO
NPI 1952898017
Surgery in Waco, TX
About Dr. John David Marr Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN DAVID MARR DO (NPI 1952898017) is an individual surgery provider in Waco, Texas, licensed in Texas (U4563) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Medical City Fort Worth, and maintains a secondary practice location in Fort Worth.
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 and accepts Medicare assignment
Dr. John David Marr Do 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
3Medicare enrollment records show John Marr reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Worth, TX 76104
- Reassigned Medicare billing, Texas enrollment
- 33 clinicians in this Medicare group
Denton, TX 76210
- Reassigned Medicare billing, Texas enrollment
- 74 clinicians in this Medicare group
Clinton, MD 20735
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1811494990 (Maryland)
- 336 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 6
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.
Medical City Fort Worth
Acute Care Hospitals · Fort Worth, TXTexas Health Harris Methodist Hospital Southwest F
Acute Care Hospitals · Fort Worth, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 76712 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.
WACO, TX 76712
WACO, TX 76712
WACO, TX 76712
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 John Marr's NPI number?
The NPI number for John Marr is 1952898017. It was assigned to this individual provider in the NPPES registry on April 15, 2018.
Where is John Marr located?
John Marr practices at 100 Hillcrest Medical Blvd, Waco, TX 76712. The listed phone number is (254) 202-2000.
What is John Marr's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is John Marr enrolled in Medicare?
Yes. John Marr 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 John Marr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Marr reassigns Medicare benefits to 3 organizations: North Texas Surgical Specialists PLLC (Fort Worth, TX), Surgery Associates Of Ntx, PLLC (Denton, TX) and Luminis Health Medical Group, LLC (Clinton, MD). 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 John Marr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Marr accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 6 other insurers list John Marr 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 John Marr affiliated with any hospitals?
According to CMS data, John Marr is affiliated with Medical City Fort Worth and Texas Health Harris Methodist Hospital Southwest F.
When was this NPI record last updated?
The NPPES record for John Marr was last updated on October 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. John David Marr, DO · NPI 1952898017
Surgery physician in Waco, Texas. Individual provider, active in the CMS NPPES registry since April 15, 2018.
## Identity
- **NPI:** 1952898017 (Entity type: Individual)
- **Enumerated:** April 15, 2018
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** U4563 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 HILLCREST MEDICAL BLVD, Waco, TX 76712
- **Phone:** (254) 202-2000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): North Texas Surgical Specialists PLLC (NPI 1831625292, Fort Worth, TX); Surgery Associates Of Ntx, PLLC (NPI 1134522691, Denton, TX); Luminis Health Medical Group, LLC (NPI 1265852750, Clinton, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** October 26, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1952898017) · Data from the CMS NPPES public registry.