NPPES file of Aug 9, 2026

Katrina Marie Gessi, FNP-BC

Nurse Practitioner · Saint Louis, MO

Katrina Marie Gessi, FNP-BC is a nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1144100736, issued on Sep 4, 2025. Check the license (Missouri 2025038274, as entered in NPPES) with the Missouri 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
1144100736
Name
Katrina Marie Gessi
Credential
FNP-BC
Primary taxonomy
Nurse Practitioner 363L00000X
License number
2025038274 MO
Self-reported in NPPES; status is on the state search
Practice location
1201 S Grand Blvd, Saint Louis, MO 63104
Phone
(314) 257-8000
Enumerated
Sep 4, 2025
Record last updated
Sep 4, 2025
Medicare enrollment
Enrolled (PECOS I20250926001602); 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 nurse practitioner records → All 1,720 in Missouri → Look up another NPI →

Also registered at 1201 S Grand Blvd

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

  1. Daniel Aaronson, M.D.Neurological Surgery Physician1679937908
  2. Brian Abboud, MDStudent in an Organized Health Care Education/Training Program1134821879
  3. Catherine Aber, MDStudent in an Organized Health Care Education/Training Program1215878293
  4. Krystel Abi KaramStudent in an Organized Health Care Education/Training Program1912708124
  5. Timothy Adrian, APRNAcute Care Nurse Practitioner1578437182
  6. Baris Afsar, M.D.Student in an Organized Health Care Education/Training Program1235976143

Verify Katrina Marie Gessi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2025038274    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 Missouri 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. Ssm Health Care GroupSaint Louis, MO

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

Katrina Marie Gessi among 1,720 nurse practitioner records in Missouri

Katrina Marie Gessi, FNP-BC is one of 1,720 nurse practitioner records with a practice address in Missouri. 78% 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 94% of them.

  • NPI issued2025 · 94% of these records are older, 2% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2025 · median 2017 among the 1,080 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

437 nurse practitioner records list a practice address in Saint Louis

They are 437 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,720 nurse practitioner records in Missouri.

All 1,720 in Missouri → Every provider in Saint Louis → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Jennifer Britt-LuddittSaint Louis, MO 631041437516952
  2. Shirley Campbell, NPSaint Louis, MO 631041760458434
  3. Virginia Clemons, RN CPNPSt Louis, MO 631041013976356
  4. Amy Cooley, NPSt Louis, MO 631041629580246
  5. Maria Hellkamp, ARNPSaint Louis, MO 631041235297334
  6. Ann Lehrer, ACNPSaint Louis, MO 631041982907325
  7. Kathryn Lindsay, MSN, APRN-BC, AGPCNPSaint Louis, MO 631041578184065
  8. Stephanie Miller, NPSaint Louis, MO 631041639595069

Common questions

What is Katrina Marie Gessi, FNP-BC's NPI number?

Katrina Marie Gessi, FNP-BC's National Provider Identifier (NPI) is 1144100736, issued on Sep 4, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Katrina Marie Gessi, FNP-BC located?

The NPPES record lists a practice address at 1201 S Grand Blvd, Saint Louis, MO, 63104. Phone: (314) 257-8000. Providers update this record themselves, so call before visiting.

How can I verify Katrina Marie Gessi, FNP-BC's license?

NPPES lists Missouri license number 2025038274, as entered by the provider. Search the Missouri 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.