John K. Vermilyen, NP
Family Nurse Practitioner · Broomfield, CO
John K. Vermilyen, NP is a family nurse practitioner with a practice address in Broomfield, Colorado, and NPI 1750399580, issued on Aug 4, 2006. Check the license (Colorado APN.0003609-NP, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John K. Vermilyen
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- APN.0003609-NP CO
Self-reported in NPPES; status is on the state search - Practice location
- 4590 W 121St Ave, Broomfield, CO 80020
- Phone
- (303) 439-4544
- Enumerated
- Aug 4, 2006
- Record last updated
- Sep 13, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (303) 439-9363
- Medicaid ID
- 98155539 CO
- Medicare enrollment
- Enrolled (PECOS I20051010000332); 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 4590 W 121St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Catherine Renella, ARNPNurse Practitioner1710900139
Verify John K. Vermilyen 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.0003609-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
87% fewer Medicare Part D claims than the average family nurse practitioner in 2024
171 Medicare Part D claims for 119 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin32 claims
- Doxycycline Hyclate26 claims
- Prednisone17 claims
- Amoxicillin-Clavulanate Potass16 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: $21.34
1 payment: food and beverage; the largest payer was Pfizer Inc. 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.
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
- Urgent Care Lakewood IncLakewood, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John K. Vermilyen among 3,492 family nurse practitioner records in Colorado
John K. Vermilyen, NP 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 91% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2001 · median 2019 among the 1,950 with a school on file
- Record last updated2017 · 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).
40 family nurse practitioner records list a practice address in Broomfield
They are 40 of the 1,403 NPPES records with a practice address in Broomfield, and 3,492 family nurse practitioner records in Colorado.
All 3,492 in Colorado → Every provider in Broomfield → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kristin Bradley, F.N.PBroomfield, CO 800201619160454
- Julie Brown, FNP-CBroomfield, CO 800201649421405
- Renee Calcaterra, APNWestminster, CO 800201932502762
- Tracye Daniels, FNPBroomfield, CO 800201972921914
- Catherine Felson, FNPBroomfield, CO 800201689013377
- Amanda Ferguson, APRNBroomfield, CO 800201962959783
- Tavia Gabbert, NPWestminster, CO 800201720562333
- Ashley GerkBroomfield, CO 800201104363902
Common questions
What is John K. Vermilyen, NP's NPI number?
John K. Vermilyen, NP's National Provider Identifier (NPI) is 1750399580, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John K. Vermilyen, NP located?
The NPPES record lists a practice address at 4590 W 121St Ave, Broomfield, CO, 80020. Phone: (303) 439-4544. Providers update this record themselves, so call before visiting.
How can I verify John K. Vermilyen, NP's license?
NPPES lists Colorado license number APN.0003609-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does John K. Vermilyen, NP prescribe under Medicare Part D?
In 2024, John K. Vermilyen, NP had 171 Medicare Part D claims for 119 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.