NPPES file of Aug 9, 2026

Gregory Mrozinski, R.N., F.N.P., D.C.

Family Nurse Practitioner · Webster, TX

Gregory Mrozinski, R.N., F.N.P., D.C. is a family nurse practitioner with a practice address in Webster, Texas, and NPI 1124177621, issued on Jan 10, 2007. Check the license (Texas AP120455, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124177621
Name
Gregory Mrozinski
Credential
R.N., F.N.P., D.C.
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP120455 TX
Self-reported in NPPES; status is on the state search
Practice location
201 Slossen St, Webster, TX 77598
Phone
(281) 948-8707
Enumerated
Jan 10, 2007
Record last updated
Jun 5, 2024
Medicare enrollment
Enrolled (PECOS I20120214000091); 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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Also registered at 201 Slossen St

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

  1. Mark Palandro, DCChiropractor1881945095

Verify Gregory Mrozinski 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 AP120455
    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

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81% fewer Medicare Part D claims than the average family nurse practitioner in 2024

246 Medicare Part D claims for 55 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Gregory Mrozinski246
  2. Specialty average1,305

Most prescribed

  1. Progesterone25 claims
  2. Lisinopril16 claims
  3. Alprazolam13 claims
  4. Levothyroxine Sodium13 claims
  5. Np Thyroid11 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.

Bills Medicare through one group practice

  1. Aline Medical Center PLLCDickinson, TX

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

Gregory Mrozinski among 21,242 family nurse practitioner records in Texas

Gregory Mrozinski, R.N., F.N.P., D.C. is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% 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 6% of them.

  • NPI issued2007 · 6% of these records are older, 91% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2011 · median 2018 among the 11,286 with a school on file
  • Record last updated2024 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

105 family nurse practitioner records list a practice address in Webster

They are 105 of the 1,514 NPPES records with a practice address in Webster, and 21,242 family nurse practitioner records in Texas.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Christine Clarke, APRN, FNP-CWebster, TX 775981316298771
  2. Laura Dewyer, APRN,BCWebster, TX 775981538182191
  3. Leonorilda Hines, NPWebster, TX 775981588765374
  4. Maritza Leon Sanchez, APRN, FNP-CWebster, TX 775981831319524
  5. Michelle Marshall, APRNWebster, TX 775981821422270
  6. Jenna MartinWebster, TX 775981275932287
  7. Phuong-Anh Nguyen, FNPWebster, TX 775981992034391
  8. Teresa Nichtberger, RN, MSN, C-FNPWebster, TX 775981770793168

Common questions

What is Gregory Mrozinski, R.N., F.N.P., D.C.'s NPI number?

Gregory Mrozinski, R.N., F.N.P., D.C.'s National Provider Identifier (NPI) is 1124177621, issued on Jan 10, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Mrozinski, R.N., F.N.P., D.C. located?

The NPPES record lists a practice address at 201 Slossen St, Webster, TX, 77598. Phone: (281) 948-8707. Providers update this record themselves, so call before visiting.

How can I verify Gregory Mrozinski, R.N., F.N.P., D.C.'s license?

NPPES lists Texas license number AP120455, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Gregory Mrozinski, R.N., F.N.P., D.C. prescribe under Medicare Part D?

In 2024, Gregory Mrozinski, R.N., F.N.P., D.C. had 246 Medicare Part D claims for 55 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.