NPPES file of Aug 9, 2026

Ana C. Calderon, FNP-BC

Family Nurse Practitioner · Denver, CO

Ana C. Calderon, FNP-BC is a family nurse practitioner with a practice address in Denver, Colorado, and NPI 1790161735, issued on Jul 31, 2015. Check the license (Colorado APN.0991879-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
1790161735
Name
Ana C. Calderon
Credential
FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
APN.0991879-NP CO
Self-reported in NPPES; status is on the state search
Practice location
999 18TH St Ste 3000, Denver, CO 80202
Phone
(888) 731-8994
Enumerated
Jul 31, 2015
Record last updated
Sep 17, 2025
Medicaid ID
19189702 CO
Medicare enrollment
Enrolled (PECOS I20151029002260); 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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Also registered at 999 18TH St Ste 3000

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

  1. Emily Barton, A-GNP-CPrimary Care Nurse Practitioner1790484434
  2. Marcela Bird, MSN, FNP-CFamily Nurse Practitioner1235757865
  3. Colby Chilson, FNP-BCFamily Nurse Practitioner1962110437
  4. Jacki Degolyer, FNPPrimary Care Nurse Practitioner1356912497
  5. Carrie Ferguson, MSN, RN, FNP-BCFamily Nurse Practitioner1306387436
  6. Christine Garcia, ARNPFamily Nurse Practitioner1013437839

Verify Ana C. Calderon 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.0991879-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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55% fewer Medicare Part D claims than the average family nurse practitioner in 2024

584 Medicare Part D claims for 71 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Ana Calderon584
  2. Specialty average1,305

Most prescribed

  1. Lisinopril69 claims
  2. Metformin Hcl50 claims
  3. Atorvastatin Calcium27 claims
  4. Gabapentin20 claims
  5. Omeprazole20 claims
  6. Jardiance19 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. Olathe Community Clinic IncMontrose, CO

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

484 family nurse practitioner records list a practice address in Denver

They are 484 of the 25,068 NPPES records with a practice address in Denver, and 3,492 family nurse practitioner records in Colorado.

Other family nurse practitioner records in Colorado

  1. Abbey Aaroe, FNPCanon City, CO1922685189
  2. Simone Abachiche, NP-CColorado Springs, CO1801566518
  3. Christina AbbottLongmont, CO1962039172
  4. Patricia Abbott, ARNPAurora, CO1962452227
  5. Isadora Abel, FNPDenver, CO1275250391
  6. Sally Abell, DNPColorado Springs, CO1699356733
  7. Sarah AbercrombieGrand Junction, CO1093490567
  8. Jenny Abernathy, FNPErie, CO1407059355
  9. Gabriela Abeyta, APRN-CNP, FNP-CColorado Springs, CO1891506515
  10. Taylor Abner, APRN, FNPGolden, CO1407582240

Common questions

What is Ana C. Calderon, FNP-BC's NPI number?

Ana C. Calderon, FNP-BC's National Provider Identifier (NPI) is 1790161735, issued on Jul 31, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Ana C. Calderon, FNP-BC located?

The NPPES record lists a practice address at 999 18TH St Ste 3000, Denver, CO, 80202. Phone: (888) 731-8994. Providers update this record themselves, so call before visiting.

How can I verify Ana C. Calderon, FNP-BC's license?

NPPES lists Colorado license number APN.0991879-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Ana C. Calderon, FNP-BC prescribe under Medicare Part D?

In 2024, Ana C. Calderon, FNP-BC had 584 Medicare Part D claims for 71 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.