DR. ROBERT J MASSINGILL MD
NPI 1770587461
Internal Medicine - Hematology & Oncology in Bossier City, LA
About Dr. Robert J Massingill Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT J MASSINGILL MD (NPI 1770587461) is an individual hematology & oncology provider in Bossier City, Louisiana, licensed in Louisiana (011260) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Christus Shreveport-bossier Health System, and is a graduate of Louisiana State University School Of Medicine In Shreveport (1969).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Robert J Massingill Md 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
2Medicare enrollment records show Robert Massingill reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tyler, TX 75702
- Reassigned Medicare billing, Louisiana enrollment
- 213 clinicians in this Medicare group
Irving, TX 75038
- Reassigned Medicare billing, Louisiana enrollment
- 89 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 3
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.
Christus Shreveport-Bossier Health System
Acute Care Hospitals · Shreveport, LAWillis Knighton Medical Center
Acute Care Hospitals · Shreveport, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 71111 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSSIER CITY, LA 71111
BOSSIER CITY, LA 71111
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 Robert Massingill's NPI number?
The NPI number for Robert Massingill is 1770587461. It was assigned to this individual provider in the NPPES registry on June 9, 2005.
Where is Robert Massingill located?
Robert Massingill practices at 2539 Viking Dr, Bossier City, LA 71111. The listed phone number is (318) 848-2970.
What is Robert Massingill's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Robert Massingill enrolled in Medicare?
Yes. Robert Massingill 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 Robert Massingill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Massingill reassigns Medicare benefits to 2 organizations: Christus Trinity Clinic Texas (Tyler, TX) and C H Wilkinson Physician Network (Irving, TX). 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 Robert Massingill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Massingill accept?
Health plans from Blue Cross and Blue Shield of Louisiana, CHRISTUS Health Plan and HMO Louisiana list Robert Massingill 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 Robert Massingill affiliated with any hospitals?
According to CMS data, Robert Massingill is affiliated with Christus Shreveport-Bossier Health System and Willis Knighton Medical Center.
When was this NPI record last updated?
The NPPES record for Robert Massingill was last updated on November 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Robert J Massingill, MD · NPI 1770587461
Hematology & Oncology physician in Bossier City, Louisiana. Individual provider, active in the CMS NPPES registry since June 9, 2005.
## Identity
- **NPI:** 1770587461 (Entity type: Individual)
- **Enumerated:** June 9, 2005
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 011260 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 2539 VIKING DR, Bossier City, LA 71111-1611
- **Phone:** (318) 848-2970 · **Fax:** (318) 848-2971
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX); C H Wilkinson Physician Network (NPI 1457382947, Irving, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In Shreveport, class of 1969
## Record status
- **NPPES last updated:** November 14, 2016
- **Other identifiers:** Medicare PIN 53386BC11 (LA); Medicare UPIN B64580 (LA); Medicaid 1126861 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1770587461) · Data from the CMS NPPES public registry.