NPPES file of Aug 9, 2026

Sierra Deleon

Nurse Practitioner · Denver, CO

Sierra Deleon is a nurse practitioner with a practice address in Denver, Colorado, and NPI 1306266739, issued on Apr 24, 2014. Check the license (Colorado APN.0991142-NP, as entered in NPPES) with the Colorado 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
1306266739
Name
Sierra Deleon
Primary taxonomy
Nurse Practitioner 363L00000X
License number
APN.0991142-NP CO
Self-reported in NPPES; status is on the state search
Practice location
1800 Williams Street Suite 200, Denver, CO 80218
Phone
(303) 388-4876
Enumerated
Apr 24, 2014
Record last updated
Apr 28, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(303) 285-5097
Medicaid ID
03234363 CO
Medicare enrollment
Enrolled (PECOS I20150925001066); 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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Verify Sierra Deleon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license APN.0991142-NP
    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 Colorado license search

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80% fewer Medicare Part D claims than the average nurse practitioner in 2024

221 Medicare Part D claims for 72 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Sierra Deleon221
  2. Specialty average1,109

Most prescribed

  1. Dexamethasone15 claims
  2. Jakafi13 claims
  3. Potassium Chloride12 claims
  4. Sulfamethoxazole-Trimethoprim12 claims
  5. Anastrozole11 claims
  6. Tasigna11 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

  1. Rocky Mountain Cancer Centers LLPDenver, CO

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

Sierra Deleon among 1,260 nurse practitioner records in Colorado

Sierra Deleon is one of 1,260 nurse practitioner records with a practice address in Colorado. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 47% of them.

  • NPI issued2014 · 47% of these records are older, 49% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2013 · median 2018 among the 662 with a school on file
  • Record last updated2016 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in Colorado

There are 1,260 nurse practitioner records in Colorado.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Megan Andersen, NPDenver, CO 802181427254036
  2. Eleanor BrammerDenver, CO 802181013300268
  3. Alison Collings, NPDenver, CO 802181750583019
  4. Ann Doody, N.P.Denver, CO 802181093074767
  5. Kelly MackDenver, CO 802181982742888
  6. Janet McDermitt, NPDenver, CO 802181598803579
  7. Kimberly Muench, CNMDenver, CO 802181376556076
  8. Trudy Rubinson, NPDenver, CO 802181275671166

Common questions

What is Sierra Deleon's NPI number?

Sierra Deleon's National Provider Identifier (NPI) is 1306266739, issued on Apr 24, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Sierra Deleon located?

The NPPES record lists a practice address at 1800 Williams Street Suite 200, Denver, CO, 80218. Phone: (303) 388-4876. Providers update this record themselves, so call before visiting.

How can I verify Sierra Deleon's license?

NPPES lists Colorado license number APN.0991142-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Sierra Deleon prescribe under Medicare Part D?

In 2024, Sierra Deleon had 221 Medicare Part D claims for 72 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.