NPPES file of Aug 9, 2026

Lauren Malnassy, CRNA

Certified Registered Nurse Anesthetist · Merrillville, IN

Lauren Malnassy, CRNA is a certified registered nurse anesthetist with a practice address in Merrillville, Indiana, and NPI 1790367506, issued on Apr 22, 2021. Check the license (Indiana 28265899A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1790367506
Name
Lauren Malnassy
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
28265899A IN
209024838 IL
Self-reported in NPPES; status is on the state search
Practice location
8701 Broadway, Merrillville, IN 46410
Phone
(219) 738-5500
Enumerated
Apr 22, 2021
Record last updated
Feb 2, 2026
Medicare enrollment
Enrolled (PECOS I20221230002082); accepts Medicare assignment
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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8 nearest certified registered nurse anesthetist records → All 716 in Indiana → Look up another NPI →

Also registered at 8701 Broadway

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

  1. Lauren Avidano, CAAAnesthesiologist Assistant1982403374
  2. Geoffrey Bauer, MDEmergency Medicine Physician1114912326
  3. Thomas Bebekoski, MDEmergency Medicine Physician1508327933
  4. Jenee Bhuju, M.D.Internal Medicine Physician1578918108
  5. Kim Buford, FNPNurse Practitioner1164193512
  6. Anna Marie CastilloPhysical Therapist1487272175

Verify Lauren Malnassy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this profession
    Search for license 28265899A    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
Find the Indiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. University Anesthesiologists SCChicago, IL

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

Lauren Malnassy among 716 certified registered nurse anesthetist records in Indiana

Lauren Malnassy, CRNA is one of 716 certified registered nurse anesthetist records with a practice address in Indiana. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 75% of them.

  • NPI issued2021 · 75% of these records are older, 19% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2018 · median 2016 among the 569 with a school on file
  • Record last updated2026 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in Indiana

There are 716 certified registered nurse anesthetist records in Indiana.

All 716 in Indiana → Every provider in Merrillville → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Samia Esseddiqi, CRNAMerrillville, IN 464101417325457
  2. Elizabeth Fricke, CRNAMerrillville, IN 464101679518591
  3. Crisologo Gozo, C.R.N.AMerrillville, IN 464101477598381
  4. Natalie Mieras, CRNAMerrillville, IN 464101336180397
  5. David Miles, CRNAMerrillville, IN 464101497785323
  6. Jeremy Newell, CRNAMerrillville, IN 464101477589273
  7. Ronnie Ratkay, CRNAMerrillville, IN 464101821042375
  8. Melinda Rayter, CRNAMerrillville, IN 464101669417374

Common questions

What is Lauren Malnassy, CRNA's NPI number?

Lauren Malnassy, CRNA's National Provider Identifier (NPI) is 1790367506, issued on Apr 22, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Malnassy, CRNA located?

The NPPES record lists a practice address at 8701 Broadway, Merrillville, IN, 46410. Phone: (219) 738-5500. Providers update this record themselves, so call before visiting.

How can I verify Lauren Malnassy, CRNA's license?

NPPES lists Indiana license number 28265899A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.