NPPES file of Aug 9, 2026

Anna Katherine Weiss, FNP-C

Nurse Practitioner · Billings, MT

Anna Katherine Weiss, FNP-C is a nurse practitioner with a practice address in Billings, Montana, and NPI 1689394629, issued on Aug 30, 2022. Check the license (Montana 261765, as entered in NPPES) with the Montana 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
1689394629
Name
Anna Katherine Weiss
Credential
FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
261765 MT
NUR-APRN-LIC-261765 MT
NUR-RN-LIC-160478 MT
Self-reported in NPPES; status is on the state search
Practice location
1751 St George Blvd, Billings, MT 59101
Phone
(406) 672-2824
Enumerated
Aug 30, 2022
Record last updated
Jun 3, 2025
Medicare enrollment
Enrolled (PECOS I20250527001580); 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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Verify Anna Katherine Weiss in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license 261765
    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 Montana license search

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One hospital affiliation

  1. Billings ClinicBillings, MT · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Anna Katherine Weiss among 287 nurse practitioner records in Montana

Anna Katherine Weiss, FNP-C is one of 287 nurse practitioner records with a practice address in Montana. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 75% of them.

  • NPI issued2022 · 75% of these records are older, 18% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2024 · median 2019 among the 185 with a school on file
  • Record last updated2025 · 43% 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 Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

72 nurse practitioner records list a practice address in Billings

They are 72 of the 4,035 NPPES records with a practice address in Billings, and 287 nurse practitioner records in Montana.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Valerie Caton, APRN(FNP-C)Billings, MT 591011104846658
  2. Lynette Cross, NPBillings, MT 591011295773182
  3. Brenda Gilmore, NPBillings, MT 591011144253386
  4. Lori Hartford, NPBillings, MT 591011194985572
  5. Yvonne Kammerzell, NPBillings, MT 591011942301015
  6. Monica Maher, NPBillings, MT 591011548314107
  7. Sheryl Malinowski, FNPBillings, MT 591011790999878
  8. George Murray, NPBillings, MT 591011154347854

Common questions

What is Anna Katherine Weiss, FNP-C's NPI number?

Anna Katherine Weiss, FNP-C's National Provider Identifier (NPI) is 1689394629, issued on Aug 30, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Anna Katherine Weiss, FNP-C located?

The NPPES record lists a practice address at 1751 St George Blvd, Billings, MT, 59101. Phone: (406) 672-2824. Providers update this record themselves, so call before visiting.

How can I verify Anna Katherine Weiss, FNP-C's license?

NPPES lists Montana license number 261765, as entered by the provider. Search the Montana 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.

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.