NPPES file of Aug 9, 2026

Robert J. Massingill, MD

Hematology & Oncology Physician · Bossier City, LA

Robert J. Massingill, MD is a hematology & oncology physician with a practice address in Bossier City, Louisiana, and NPI 1770587461, issued on Jun 9, 2005. Check the license (Louisiana 011260, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770587461
Name
Robert J. Massingill
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
011260 LA
Self-reported in NPPES; status is on the state search
Practice location
2539 Viking Dr, Bossier City, LA 71111
Phone
(318) 848-2970
Enumerated
Jun 9, 2005
Record last updated
Nov 14, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(318) 848-2971
Medicaid ID
1126861 LA
Medicare enrollment
Enrolled (PECOS I20081121000287); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In Shreveport, 1969
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2539 Viking Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jacquelyn Adcock, P.A.Physician Assistant1972803088
  2. Yue Kong Au, M.D.Ophthalmology Physician1578522587
  3. Neelima Chintapalli, M.D.Hematology & Oncology Physician1013108141
  4. Patrick Deere, M.D.Family Medicine Physician1477526275
  5. William Maranto, M.D.Family Medicine Physician1124016985
  6. Kimberly Pair, PA-CMedical Physician Assistant1982913026

Verify Robert J. Massingill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
    Search for license 011260
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Louisiana license search

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41% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

520 Medicare Part D claims for 82 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 59 claims were for opioids.

  1. Robert Massingill520
  2. Specialty average877

Most prescribed

  1. Gabapentin41 claims
  2. Anastrozole21 claims
  3. Eliquis21 claims
  4. Warfarin Sodium21 claims
  5. Oxycontin18 claims
  6. Hydrocodone-Acetaminophen16 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,034.13

49 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Massingill$1,034.13
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Christus Trinity ClinicBossier City, LA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hematology & Oncology Physician providers in Louisiana

There are 188 hematology & oncology physician records in Louisiana.

Other hematology & oncology physician records in Louisiana

  1. Hossam Abdel-Rahman, MEDIAL DOCTORMamou, LA1164485173
  2. Deborah Abernathy, MDBaton Rouge, LA1114905049
  3. Bassam Abi-Rached, M.D.Alexandria, LA1285637314
  4. Sweekriti Adhikari, D.O.Lafayette, LA1568723716
  5. Sudhir Aggarwal, M.D.Lafayette, LA1972568715
  6. Shradha Ahuja, MDNew Orleans, LA1578904199
  7. Heather Alva, MDNew Orleans, LA1891159190
  8. Nelly Aoun, MDCovington, LA1285889675
  9. Gerardo Arias, M.D.Thibodaux, LA1447265178
  10. Thomas Atkinson, MDNew Orleans, LA1760758221

Common questions

What is Robert J. Massingill, MD's NPI number?

Robert J. Massingill, MD's National Provider Identifier (NPI) is 1770587461, issued on Jun 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert J. Massingill, MD located?

The NPPES record lists a practice address at 2539 Viking Dr, Bossier City, LA, 71111. Phone: (318) 848-2970. Providers update this record themselves, so call before visiting.

How can I verify Robert J. Massingill, MD's license?

NPPES lists Louisiana license number 011260, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert J. Massingill, MD prescribe under Medicare Part D?

In 2024, Robert J. Massingill, MD had 520 Medicare Part D claims for 82 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.