NPPES file of Aug 9, 2026

Heidi Danielle Sizemore, NP

Nurse Practitioner · Aurora, CO

Heidi Danielle Sizemore, NP is a nurse practitioner with a practice address in Aurora, Colorado, and NPI 1972088334, issued on Oct 1, 2018. Check the license (Colorado APN.0994054-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
1972088334
Name
Heidi Danielle Sizemore
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
APN.0994054-NP CO
Self-reported in NPPES; status is on the state search
Practice location
1444 S Potomac St Ste 300, Aurora, CO 80012
Phone
(303) 750-0822
Enumerated
Oct 1, 2018
Record last updated
Feb 8, 2019 (not updated in 7 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest nurse practitioner records → All 1,260 in Colorado → Look up another NPI →

Also registered at 1444 S Potomac St Ste 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paulina Delarosa, PA-CPhysician Assistant1083970362
  2. Shawn Greenfield, FNP-BCFamily Nurse Practitioner1245077544
  3. Miriam Halazon, FNP-CFamily Nurse Practitioner1568878023
  4. Chad Hancock, PA-CPhysician Assistant1700405826
  5. Courtney Haven, PAMedical Physician Assistant1760972228
  6. Audrey Hengen, NPAdult Health Nurse Practitioner1699348904

Verify Heidi Danielle Sizemore 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.0994054-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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99% fewer Medicare Part D claims than the average nurse practitioner in 2024

15 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Heidi Sizemore15
  2. Specialty average1,109

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.

Heidi Danielle Sizemore among 1,260 nurse practitioner records in Colorado

Heidi Danielle Sizemore, NP 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 2018, is newer than 62% of them.

  • NPI issued2018 · 62% of these records are older, 34% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2019 · 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.

All 1,260 in Colorado → Every provider in Aurora → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Sumy Anthony, CERTIFIED NPAurora, CO 800121003240862
  2. Alexandra Dipaolo, AGNPAurora, CO 800121932505179
  3. Daniel GriffinAurora, CO 800121235513078
  4. Jill Hulbert, N.P.Aurora, CO 800121164419800
  5. Chad Kraske, NPAurora, CO 800121225024078
  6. Melissa Page, NPAurora, CO 800121952733198
  7. Malissa Penny-Forsyth, N.P.Denver, CO 800121154319374
  8. Joan Primozich, FNPCAurora, CO 800121033232541

Common questions

What is Heidi Danielle Sizemore, NP's NPI number?

Heidi Danielle Sizemore, NP's National Provider Identifier (NPI) is 1972088334, issued on Oct 1, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Heidi Danielle Sizemore, NP located?

The NPPES record lists a practice address at 1444 S Potomac St Ste 300, Aurora, CO, 80012. Phone: (303) 750-0822. Providers update this record themselves, so call before visiting.

How can I verify Heidi Danielle Sizemore, NP's license?

NPPES lists Colorado license number APN.0994054-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Heidi Danielle Sizemore, NP prescribe under Medicare Part D?

In 2024, Heidi Danielle Sizemore, NP had 15 Medicare Part D claims; 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.