Mette Janzen, FNP
Family Nurse Practitioner · Centennial, CO
Mette Janzen, FNP is a family nurse practitioner with a practice address in Centennial, Colorado, and NPI 1386346377, issued on Mar 21, 2023. Check the license (Colorado APN.0997731-NP, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mette Janzen
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- APN.0997731-NP CO
Self-reported in NPPES; status is on the state search - Practice location
- 19711 E Smoky Hill RD, Centennial, CO 80015
- Phone
- (303) 459-5634
- Enumerated
- Mar 21, 2023
- Record last updated
- Mar 22, 2023
- Medicare enrollment
- Enrolled (PECOS I20230330000720); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,492 in Colorado → Look up another NPI →
Also registered at 19711 E Smoky Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sania Celio, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1679916118
- Heather Crotty, MSN, FNP-BCFamily Nurse Practitioner1336387448
- Bethany Frank, NURSE PRACTITIONERFamily Nurse Practitioner1255141289
- Hilary Freeman, FNPFamily Nurse Practitioner1801380373
- Jasmine Johann, FNP-BCFamily Nurse Practitioner1760909196
- Judith Kim, PHARMDPharmacist1598190100
Verify Mette Janzen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license APN.0997731-NPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family nurse practitioner in 2024
107 Medicare Part D claims for 71 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass27 claims
- Nitrofurantoin Mono-Macro11 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
- The Little Clinic OF Colorado, LLCCentennial, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mette Janzen among 3,492 family nurse practitioner records in Colorado
Mette Janzen, FNP is one of 3,492 family nurse practitioner records with a practice address in Colorado. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 78% of them.
- NPI issued2023 · 78% of these records are older, 15% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2021 · median 2019 among the 1,950 with a school on file
- Record last updated2023 · 37% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 family nurse practitioner records list a practice address in Centennial
They are 63 of the 3,008 NPPES records with a practice address in Centennial, and 3,492 family nurse practitioner records in Colorado.
All 3,492 in Colorado → Every provider in Centennial → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Stacey Barnard, FNPAurora, CO 800151982121018
- Heather Crotty, MSN, FNP-BCCentennial, CO 800151336387448
- Maryanne Damiano-Hojnacki, FNPAurora, CO 800151578828992
- Wayne Eckenroth, RNAurora, CO 800151114458718
- Hilary Freeman, FNPCentennial, CO 800151801380373
- Lauretta Iwuala -McWilliams, NP-CAurora, CO 800151528480886
- Jasmine Johann, FNP-BCCentennial, CO 800151760909196
- Angela Kubie, NPAurora, CO 800151730459033
Common questions
What is Mette Janzen, FNP's NPI number?
Mette Janzen, FNP's National Provider Identifier (NPI) is 1386346377, issued on Mar 21, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Mette Janzen, FNP located?
The NPPES record lists a practice address at 19711 E Smoky Hill RD, Centennial, CO, 80015. Phone: (303) 459-5634. Providers update this record themselves, so call before visiting.
How can I verify Mette Janzen, FNP's license?
NPPES lists Colorado license number APN.0997731-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Mette Janzen, FNP prescribe under Medicare Part D?
In 2024, Mette Janzen, FNP had 107 Medicare Part D claims for 71 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.