NPPES file of Aug 9, 2026

Marissa Hammontree

Gastroenterology Registered Nurse · Iowa City, IA

Marissa Hammontree is a gastroenterology registered nurse with a practice address in Iowa City, Iowa, and NPI 1063376382, issued on Dec 11, 2025. Check the license with the Iowa board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1063376382
Name
Marissa Hammontree
Primary taxonomy
Gastroenterology Registered Nurse 163WG0100X
License number
302295 AZ
Self-reported in NPPES; status is on the state search
Practice location
601 US-6 W, Iowa City, IA 52246
Phone
(319) 338-0581
Enumerated
Dec 11, 2025
Record last updated
Dec 11, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 601 US-6 W

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

  1. Ashley BachmanCase Management Registered Nurse1578425518
  2. Cassandra Bechtel, RNEmergency Registered Nurse1265391817
  3. Michael Corbett, MDHospitalist Physician1194074682
  4. Jessica Cramberg-GehringerNurse Massage Therapist (NMT)1942164082
  5. Olivia CuvillierRegistered Nurse1972425619
  6. Brandy DahlGeneral Care Registered Respiratory Therapist1558223362

Verify Marissa Hammontree in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this professionCheck 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 Iowa 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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Gastroenterology Registered Nurse providers in Iowa

There are 5 gastroenterology registered nurse records in Iowa. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5 in Iowa → Every provider in Iowa City →

Other gastroenterology registered nurse records in Iowa

  1. Jacqueline BaughmanIowa City, IA1174484182
  2. Leo Brown, RNEldridge, IA1023974920
  3. Darren LoganIowa City, IA1245197300
  4. Susan SchwerinIowa City, IA1659235257

Common questions

What is Marissa Hammontree's NPI number?

Marissa Hammontree's National Provider Identifier (NPI) is 1063376382, issued on Dec 11, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Hammontree located?

The NPPES record lists a practice address at 601 US-6 W, Iowa City, IA, 52246. Phone: (319) 338-0581. Providers update this record themselves, so call before visiting.

How can I verify Marissa Hammontree's license?

Search the Iowa 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. 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.