Kassandra Dowane Neff-Castellanos, FNP-C

  • Lafayette, CO
  • Nurse practitioner
NPI1699012187PAC ID2062711641
Part D claims, 2024
475
Affiliated sites
3
Medical group
1
State license
1
Year NPI issued
2013
Practice address
280 Exempla Cr, Lafayette, CO 80026
Practice phone
Call (303) 338-3456
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rock Creek Medical Offices

Mammography / Breast Imaging Center · Lafayette, Colorado

See all 4 affiliations

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Kassandra Dowane Neff-Castellanos is a nurse practitioner in Lafayette, Colorado

Kassandra Neff-Castellanos practices at Rock Creek Medical Offices in Lafayette, Colorado.

Kassandra Neff-Castellanos' NPI, 1699012187, was assigned on January 3, 2013. Kassandra Neff-Castellanos holds Colorado license APN.0992254-NP.

NPI and contact details
Medicare PAC ID
2062711641
NPI enumeration date
January 3, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(303) 338-3456
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
37
Medical school graduation
2015

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Kassandra Dowane Neff-Castellanos practices at Rock Creek Medical Offices in Lafayette, Colorado

Kassandra Neff-Castellanos' primary practice is Rock Creek Medical Offices, at 280 Exempla Cr, Lafayette, CO 80026. The practice phone is (303) 338-3456.

  • Rock Creek Medical Offices
    280 Exempla Cr, Lafayette, CO 80026Phone(303) 338-3456

Source: Dmand AI Affiliation Data

Kassandra Dowane Neff-Castellanos is affiliated with 3 sites of care and 1 medical group

Kassandra Neff-Castellanos' primary practice is Rock Creek Medical Offices in Lafayette, Colorado. The medical group on file is Colorado Permanente Medical Group. Dmand AI also links Kassandra Neff-Castellanos to 1 more therapy and rehab clinic and 1 ambulatory surgery center, each named with a free account.

See all 4 affiliations for Kassandra Neff-Castellanos

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Kassandra Dowane Neff-Castellanos' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Kassandra Neff-Castellanos practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rock Creek Medical OfficesAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Kassandra Dowane Neff-Castellanos is one of 866 nurse practitioners in Colorado

Nurse practitioner is Kassandra Neff-Castellanos' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Kassandra Neff-Castellanos is licensed in Colorado.

Specialties and state licenses

  • Nurse practitioner, ColoradoPrimaryLicense APN.0992254-NP · taxonomy 363L00000X

Nurse practitioners near Kassandra Neff-Castellanos

Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Kassandra Dowane Neff-Castellanos' patients have a median age of 52

Across all payers, Dmand AI patient panel data puts Kassandra Neff-Castellanos' median patient age at 52, with 65% women.

Kassandra Neff-Castellanos' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 52

Patient panel by sex, all payers

  • Women65%
  • Men35%

Source: Dmand AI Patient Panel Data

Kassandra Dowane Neff-Castellanos wrote 475 Medicare Part D claims in 2024

In 2024, Kassandra Neff-Castellanos wrote 475 Medicare Part D claims for 240 patients. 100% of them were for generic drugs.

Part D claims, 2024475
Part D patients240

Kassandra Neff-Castellanos' Part D claims by kind of drug, 2024

  • Generic474 claims100%
  • Brand-name and other1 claims0%

Drug classes CMS tracks in Kassandra Neff-Castellanos' Part D claims, 2024

  • Antibiotics9%44 of 475 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Kassandra Dowane Neff-Castellanos takes part in Medicare

Kassandra Neff-Castellanos accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Kassandra Dowane Neff-Castellanos's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Kassandra Dowane Neff-Castellanos

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Kassandra Dowane Neff-Castellanos' NPI number?

Kassandra Dowane Neff-Castellanos' NPI number is 1699012187. It was assigned on January 3, 2013, and it is active in the NPI Registry.

What does Kassandra Dowane Neff-Castellanos specialize in?

Kassandra Dowane Neff-Castellanos is a nurse practitioner in Lafayette, Colorado. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Kassandra Dowane Neff-Castellanos practice?

Kassandra Neff-Castellanos practices at 280 Exempla Cr, Lafayette, CO 80026. Kassandra Neff-Castellanos' primary practice is Rock Creek Medical Offices in Lafayette, Colorado. Dmand AI also links Kassandra Neff-Castellanos to 1 therapy and rehab clinic and 1 ambulatory surgery center.

What is Kassandra Dowane Neff-Castellanos' office phone number?

The practice phone on file for Kassandra Neff-Castellanos is (303) 338-3456.

What is Kassandra Dowane Neff-Castellanos' medical license number?

Kassandra Neff-Castellanos holds Colorado license APN.0992254-NP.

What medical group is Kassandra Dowane Neff-Castellanos part of?

Kassandra Neff-Castellanos is linked to Colorado Permanente Medical Group.

Does Kassandra Dowane Neff-Castellanos accept Medicare?

Yes. CMS lists Kassandra Neff-Castellanos as accepting Medicare assignment.

How long has Kassandra Dowane Neff-Castellanos been practicing?

Kassandra Neff-Castellanos graduated from medical school in 2015, 11 years ago.

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