NPPES file of Aug 9, 2026

Lauren Zatarain, M.D.

Hematology & Oncology Physician · Baton Rouge, LA

Lauren Zatarain, M.D. is a hematology & oncology physician with a practice address in Baton Rouge, Louisiana, and NPI 1194916650, issued on Aug 8, 2007. Check the license (Louisiana MD.202186, 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
1194916650
Name
Lauren Zatarain
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
MD.202186 LA
Self-reported in NPPES; status is on the state search
Practice location
4950 Essen LN, Baton Rouge, LA 70809
Phone
(225) 757-0343
Enumerated
Aug 8, 2007
Record last updated
May 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(225) 757-8354
Medicare enrollment
Enrolled (PECOS I20141001002162); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 4950 Essen LN

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

  1. Deborah Abernathy, MDHematology & Oncology Physician1114905049
  2. Phillip Allen, M.D.Otolaryngology Physician1538150701
  3. Emily Brooks, MS, LDN, RDNRegistered Dietitian1831883339
  4. Martha Broussard, CRNACertified Registered Nurse Anesthetist1083685762
  5. Donna Bryant, N.P.Nurse Practitioner1275731473
  6. Jamie Chustz, CRNACertified Registered Nurse Anesthetist1922079615

Verify Lauren Zatarain 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 MD.202186
    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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2.5 times the Medicare Part D claims of the average hematology & oncology physician in 2024

2,179 Medicare Part D claims for 306 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 71 claims were for opioids.

  1. Lauren Zatarain2,179
  2. Specialty average877

Most prescribed

  1. Letrozole289 claims
  2. Tamoxifen Citrate135 claims
  3. Anastrozole125 claims
  4. Gabapentin111 claims
  5. Ondansetron Odt74 claims
  6. Levothyroxine Sodium51 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: $600.52

15 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, 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. Lauren Zatarain$600.52
  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. Mary Bird Perkins Cancer CenterBaton Rouge, LA

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

Lauren Zatarain among 188 hematology & oncology physician records in Louisiana

Lauren Zatarain, M.D. is one of 188 hematology & oncology physician records with a practice address in Louisiana. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.

  • NPI issued2007 · 49% of these records are older, 40% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2007 · median 2005 among the 144 with a school on file
  • Record last updated2021 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Louisiana

There are 188 hematology & oncology physician records in Louisiana.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Deborah Abernathy, MDBaton Rouge, LA 708091114905049
  2. Bryan Bienvenu, MDBaton Rouge, LA 708091932121795
  3. Frederic Billings, M.D.Baton Rouge, LA 708091063519072
  4. Burke Brooks, M.D.Baton Rouge, LA 708091518991975
  5. Ruben Fabrega, MDBaton Rouge, LA 708091083644041
  6. David Hanson, MDBaton Rouge, LA 708091063435071
  7. Deborah Johnson, M.D.Baton Rouge, LA 708091902809692
  8. Judd Patten, MDBaton Rouge, LA 708091659394583

Common questions

What is Lauren Zatarain, M.D.'s NPI number?

Lauren Zatarain, M.D.'s National Provider Identifier (NPI) is 1194916650, issued on Aug 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Zatarain, M.D. located?

The NPPES record lists a practice address at 4950 Essen LN, Baton Rouge, LA, 70809. Phone: (225) 757-0343. Providers update this record themselves, so call before visiting.

How can I verify Lauren Zatarain, M.D.'s license?

NPPES lists Louisiana license number MD.202186, 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 Lauren Zatarain, M.D. prescribe under Medicare Part D?

In 2024, Lauren Zatarain, M.D. had 2,179 Medicare Part D claims for 306 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.