NPPES file of Aug 9, 2026

Rachel R. Buck, FNP-C

Family Nurse Practitioner · Wiley, CO

Rachel R. Buck, FNP-C is a family nurse practitioner with a practice address in Wiley, Colorado, and NPI 1629451091, issued on Jul 3, 2015. Check the license (Colorado APN.0991747-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
1629451091
Name
Rachel R. Buck
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
APN.0991747-NP CO
Self-reported in NPPES; status is on the state search
Practice location
36053 US Highway 287, Wiley, CO 81092
Phone
(719) 829-4030
Enumerated
Jul 3, 2015
Record last updated
Sep 30, 2023
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 family nurse practitioner records → All 3,492 in Colorado → Look up another NPI →

Verify Rachel R. Buck 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.0991747-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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4% fewer Medicare Part D claims than the average family nurse practitioner in 2024

1,247 Medicare Part D claims for 176 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 66 claims were for opioids.

  1. Rachel Buck1,247
  2. Specialty average1,305

Most prescribed

  1. Losartan Potassium50 claims
  2. Levothyroxine Sodium42 claims
  3. Atorvastatin Calcium41 claims
  4. Lisinopril38 claims
  5. Potassium Chloride32 claims
  6. Metformin Hcl31 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.

Rachel R. Buck among 3,492 family nurse practitioner records in Colorado

Rachel R. Buck, FNP-C is one of 3,492 family nurse practitioner records with a practice address in Colorado. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 33% of them.

  • NPI issued2015 · 33% of these records are older, 63% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2023 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Nurse Practitioner providers in Colorado

There are 3,492 family nurse practitioner records in Colorado.

All 3,492 in Colorado → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Mary Shy, FNP-CSWalsh, CO 810901053412742
  2. Marian Tate, ARNPWalsh, CO 810901326131889
  3. Karen Campbell, FNPWalsenburg, CO 810891508889049
  4. Marilyn DosterWalsenburg, CO 810891891484374
  5. Regina Griego, FNP, ACNPWalsenburg, CO 810891710274394
  6. Erin Helbing, FNPWalsenburg, CO 810891487182176
  7. Kathy Loeffler, NURSE PRACTITIONERWalsenburg, CO 810891407862386
  8. Kathleen Moulds, FNPWalsenburg, CO 810891457479370

Common questions

What is Rachel R. Buck, FNP-C's NPI number?

Rachel R. Buck, FNP-C's National Provider Identifier (NPI) is 1629451091, issued on Jul 3, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Rachel R. Buck, FNP-C located?

The NPPES record lists a practice address at 36053 US Highway 287, Wiley, CO, 81092. Phone: (719) 829-4030. Providers update this record themselves, so call before visiting.

How can I verify Rachel R. Buck, FNP-C's license?

NPPES lists Colorado license number APN.0991747-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Rachel R. Buck, FNP-C prescribe under Medicare Part D?

In 2024, Rachel R. Buck, FNP-C had 1,247 Medicare Part D claims for 176 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.

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.