Sierra L. Deleon
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 221
- Industry payments
- $149
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1800 N Williams St, Denver, CO 80218
- Practice phone
- Call (303) 930-7800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rocky Mountain Cancer Centers
Denver, Colorado
Find Sierra Deleon's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Sierra L. Deleon is a nurse practitioner in Denver, Colorado
Sierra Deleon practices at Rocky Mountain Cancer Centers in Denver, Colorado.
Sierra Deleon's NPI, 1306266739, was assigned on April 24, 2014. Sierra Deleon holds Colorado license APN.0991142-NP.
- NPI
- 1306266739NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941518831
- NPI enumeration date
- April 24, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (303) 930-7800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Sierra L. Deleon practices at Rocky Mountain Cancer Centers in Denver, Colorado
Sierra Deleon's primary practice is Rocky Mountain Cancer Centers, at 1800 N Williams St, Denver, CO 80218 in Denver County. The practice phone is (303) 930-7800.
- Rocky Mountain Cancer Centers1800 N Williams St, Denver, CO 80218 · Denver CountyPhone(303) 930-7800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Sierra L. Deleon is affiliated with 2 sites of care and 1 medical group
Sierra Deleon's primary practice is Rocky Mountain Cancer Centers in Denver, Colorado. The medical group on file is Rocky Mountain Cancer Centers. Dmand AI also links Sierra Deleon to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Sierra L. Deleon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sierra Deleon practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rocky Mountain Cancer Centers | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Sierra L. Deleon is one of 866 nurse practitioners in Colorado
Nurse practitioner is Sierra Deleon's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Sierra Deleon is licensed in Colorado.
Specialties and state licenses
- Nurse practitioner, ColoradoPrimary
Nurse practitioners near Sierra Deleon
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
Sierra L. Deleon treated 12 Medicare patients in 2024, average age 72
CMS counts 12 Medicare patients who saw Sierra Deleon in 2024. The largest group is under 65, with 0 patients. Their average risk score is 2.34, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Sierra Deleon's median patient age at 68, with 60% women.
Sierra Deleon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Sierra Deleon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sierra L. Deleon wrote 221 Medicare Part D claims in 2024
In 2024, Sierra Deleon wrote 221 Medicare Part D claims for 72 patients. 71% of them were for generic drugs.
Sierra Deleon's Part D claims by kind of drug, 2024
- Generic158 claims71%
- Brand-name and other63 claims29%
Drug classes CMS tracks in Sierra Deleon's Part D claims, 2024
- Opioids7%16 of 221 claims
- Antibiotics9%20 of 221 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 Sierra L. Deleon takes part in Medicare
Sierra Deleon 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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Sierra L. Deleon received $149 in industry payments in 2025
CMS Open Payments shows 3 general payments to Sierra Deleon from 3 drug and device companies in 2025. Education make up the largest share, 67% of the total. Janssen Pharmaceuticals, Inc paid the most, $100.
General payments to Sierra Deleon by kind, 2025 to 2025
- Education$10067%
- Food and beverage$4933%
Companies that paid Sierra Deleon the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Sierra L. Deleon's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Sierra L. Deleon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sierra L. Deleon's NPI number?
Sierra L. Deleon's NPI number is 1306266739. It was assigned on April 24, 2014, and it is active in the NPI Registry.
What does Sierra L. Deleon specialize in?
Sierra L. Deleon is a nurse practitioner in Denver, Colorado. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Sierra L. Deleon practice?
Sierra Deleon practices at 1800 N Williams St, Denver, CO 80218. Sierra Deleon's primary practice is Rocky Mountain Cancer Centers in Denver, Colorado. Dmand AI also links Sierra Deleon to 1 group practice or clinic.
What is Sierra L. Deleon's office phone number?
The practice phone on file for Sierra Deleon is (303) 930-7800.
What is Sierra L. Deleon's medical license number?
Sierra Deleon holds Colorado license APN.0991142-NP.
What medical group is Sierra L. Deleon part of?
Sierra Deleon is linked to Rocky Mountain Cancer Centers.
Does Sierra L. Deleon accept Medicare?
Yes. CMS lists Sierra Deleon as accepting Medicare assignment.
How many Medicare patients does Sierra L. Deleon see?
CMS counts 12 Medicare patients who saw Sierra Deleon in 2024, with an average age of 72.
Has Sierra L. Deleon received payments from drug or device companies?
CMS Open Payments shows $149 in general payments to Sierra Deleon from 3 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Sierra L. Deleon been practicing?
Sierra Deleon graduated from medical school in 2013, 13 years ago.
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