NPPES file of Aug 9, 2026

Katherine Zimmerman, APRN, FNP

Family Nurse Practitioner · Billings, MT

Katherine Zimmerman, APRN, FNP is a family nurse practitioner with a practice address in Billings, Montana, and NPI 1679045603, issued on Jan 2, 2019. Check the license (Montana NUR-APRN-LIC-132513, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679045603
Name
Katherine Zimmerman
Credential
APRN, FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
NUR-APRN-LIC-132513 MT
Self-reported in NPPES; status is on the state search
Practice location
32 Wicks LN, Billings, MT 59105
Phone
(406) 237-8300
Enumerated
Jan 2, 2019
Record last updated
Jan 2, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190321000976); 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 32 Wicks LN

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

  1. Erin AnzaloneMedical Physician Assistant1902261795
  2. Mackenzie Hansen, PA-CPhysician Assistant1033989280
  3. Spencer Hegerhorst, DOFamily Medicine Physician1093465692
  4. Kayleigh Huss, PAPhysician Assistant1902371693
  5. Lauren Labar, PAPhysician Assistant1285144204
  6. Steven Mock, APRNFamily Nurse Practitioner1689566267

Verify Katherine Zimmerman 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 NUR-APRN-LIC-132513
    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

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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51% more Medicare Part D claims than the average family nurse practitioner in 2024

1,976 Medicare Part D claims for 163 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Katherine Zimmerman1,976
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium182 claims
  2. Lisinopril138 claims
  3. Losartan Potassium105 claims
  4. Levothyroxine Sodium98 claims
  5. Amlodipine Besylate76 claims
  6. Omeprazole69 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.

Industry payments in 2024: $172.88

3 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Zimmerman$172.88
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Scl Health Medical Group - Billings LLCBillings, MT

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

Katherine Zimmerman among 815 family nurse practitioner records in Montana

Katherine Zimmerman, APRN, FNP is one of 815 family 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 2019, is newer than 60% of them.

  • NPI issued2019 · 60% of these records are older, 35% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2018 · median 2018 among the 505 with a school on file
  • Record last updated2019 · 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 Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

84 family nurse practitioner records list a practice address in Billings

They are 84 of the 4,035 NPPES records with a practice address in Billings, and 815 family nurse practitioner records in Montana.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sandra Cruickshank, FNPBillings, MT 591051114911864
  2. Barbara Gillen, FNPBillings, MT 591051093876211
  3. Hanah Heser, NP-CBillings, MT 591051710395553
  4. Steven Mock, APRNBillings, MT 591051689566267
  5. Brenna Scofield, DNP, FNP-BCBillings, MT 591051346690344
  6. Ronda Bales, FNP-BCBillings, MT 591061427293166
  7. Victoria Collier, NPBillings, MT 591061548748296
  8. Wendy Gomendi, RNBillings, MT 591061366196446

Common questions

What is Katherine Zimmerman, APRN, FNP's NPI number?

Katherine Zimmerman, APRN, FNP's National Provider Identifier (NPI) is 1679045603, issued on Jan 2, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Zimmerman, APRN, FNP located?

The NPPES record lists a practice address at 32 Wicks LN, Billings, MT, 59105. Phone: (406) 237-8300. Providers update this record themselves, so call before visiting.

How can I verify Katherine Zimmerman, APRN, FNP's license?

NPPES lists Montana license number NUR-APRN-LIC-132513, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Zimmerman, APRN, FNP prescribe under Medicare Part D?

In 2024, Katherine Zimmerman, APRN, FNP had 1,976 Medicare Part D claims for 163 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.