NPPES file of Aug 9, 2026

John L. Niscavits, CRNA

Certified Registered Nurse Anesthetist · Houston, TX

John L. Niscavits, CRNA is a certified registered nurse anesthetist with a practice address in Houston, Texas, and NPI 1033915475, issued on Feb 24, 2025. Check the license (Texas 1191530, as entered in NPPES) with the Texas 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
1033915475
Name
John L. Niscavits
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
1191530 TX
Self-reported in NPPES; status is on the state search
Practice location
9525 Katy Fwy Ste 206, Houston, TX 77024
Phone
(713) 400-2990
Enumerated
Feb 24, 2025
Record last updated
Feb 24, 2025
Medicare enrollment
Enrolled (PECOS I20250409003263); 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 6,097 in Texas → Look up another NPI →

Also registered at 9525 Katy Fwy Ste 206

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

  1. Ravi Dalsania, MDAnesthesiology Physician1871170662
  2. Brice Dean, MDAnesthesiology Physician1770161754
  3. Misael Del Valle, M.D.Anesthesiology Physician1184036998
  4. Matthew Hatch, DNAP, CRNACertified Registered Nurse Anesthetist1568289155
  5. Timothy Hollenbeck, M.D.Anesthesiology Physician1205038205
  6. Ifeanyi Ikwuanusi, MDAnesthesiology Physician1376120998

Verify John L. Niscavits in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 1191530    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 Texas 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. Texans Anesthesia Associates PLLCHouston, TX

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

John L. Niscavits among 6,097 certified registered nurse anesthetist records in Texas

John L. Niscavits, CRNA is one of 6,097 certified registered nurse anesthetist records with a practice address in Texas. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 95% of them.

  • NPI issued2025 · 95% of these records are older, 1% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2024 · median 2014 among the 4,734 with a school on file
  • Record last updated2025 · 57% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,127 certified registered nurse anesthetist records list a practice address in Houston

They are 1,127 of the 61,221 NPPES records with a practice address in Houston, and 6,097 certified registered nurse anesthetist records in Texas.

All 6,097 in Texas → Every provider in Houston → Certified Registered Nurse Anesthetist nationwide →

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

  1. Karen Aycock, CRNAHouston, TX 770241114379849
  2. Angela Brown, CRNAHouston, TX 770241346238169
  3. Harold Dungan, CRNAHouston, TX 770241841619301
  4. Janet ElizondoHouston, TX 770241578923686
  5. Jacob Enger, CRNAHouston, TX 770241033743190
  6. Hung LamHouston, TX 770241114401650
  7. Eric Lazo, CRNAHouston, TX 770241255058384
  8. Danielle Lenz, CRNAHouston, TX 770241912683830

Common questions

What is John L. Niscavits, CRNA's NPI number?

John L. Niscavits, CRNA's National Provider Identifier (NPI) is 1033915475, issued on Feb 24, 2025. An NPI identifies a provider in billing; it is not a license.

Where is John L. Niscavits, CRNA located?

The NPPES record lists a practice address at 9525 Katy Fwy Ste 206, Houston, TX, 77024. Phone: (713) 400-2990. Providers update this record themselves, so call before visiting.

How can I verify John L. Niscavits, CRNA's license?

NPPES lists Texas license number 1191530, as entered by the provider. Search the Texas 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.