NPPES file of Aug 9, 2026

Rosalind Sarah Guest, ARNP

Family Medicine Physician · Arvada, CO

Rosalind Sarah Guest, ARNP is a family medicine physician with a practice address in Arvada, Colorado, and NPI 1376673848, issued on Mar 6, 2007. Check the license (Colorado C-APN.0002206-C-NP, as entered in NPPES) on the Colorado Medical Board; 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
1376673848
Name
Rosalind Sarah Guest
Credential
ARNP
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
C-APN.0002206-C-NP CO
ARNP9309138 FL
MH 8273 FL
Self-reported in NPPES; status is on the state search
Practice location
15240 W 64TH Ave, Arvada, CO 80007
Phone
(303) 463-7181
Enumerated
Mar 6, 2007
Record last updated
Oct 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20211015001872); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 15240 W 64TH Ave

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

  1. David Braun, PAPhysician Assistant1518201268
  2. Ryan KennardFamily Nurse Practitioner1548894652
  3. Holly Neumann, PA-CPhysician Assistant1669744199
  4. Julia Nonamaker, MS, LPCCProfessional Counselor1508610650
  5. David Nuhfer, MDFamily Medicine Physician1952302051

Verify Rosalind Sarah Guest in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license C-APN.0002206-C-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
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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42% fewer Medicare Part D claims than the average family medicine physician in 2024

2,039 Medicare Part D claims for 233 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 55 claims were for opioids.

  1. Rosalind Guest2,039
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium120 claims
  2. Atorvastatin Calcium91 claims
  3. Amlodipine Besylate83 claims
  4. Lisinopril76 claims
  5. Losartan Potassium68 claims
  6. Trazodone Hcl65 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. Poudre Valley Medical Group LLCArvada, CO

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

Rosalind Sarah Guest among 3,563 family medicine physician records in Colorado

Rosalind Sarah Guest, ARNP is one of 3,563 family medicine physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 42% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2013 · median 2008 among the 2,077 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

31 family medicine physician records list a practice address in Arvada

They are 31 of the 1,784 NPPES records with a practice address in Arvada, and 3,563 family medicine physician records in Colorado.

The 8 family medicine physician records with the nearest ZIP codes

  1. Jeffry Byrne, D.O.Arvada, CO 800071144617713
  2. David Nuhfer, MDArvada, CO 800071952302051
  3. David Odell, MDArvada, CO 800071649288473
  4. Stuart Batten, MDArvada, CO 800051457880197
  5. Nicole Dorotik, MDArvada, CO 800051558347591
  6. David Glasscock, M.D.Arvada, CO 800051083611065
  7. Thomas Jeffers, M.D.Arvada, CO 800051982601365
  8. Craig Kilpatrick, MDArvada, CO 800051396884334

Common questions

What is Rosalind Sarah Guest, ARNP's NPI number?

Rosalind Sarah Guest, ARNP's National Provider Identifier (NPI) is 1376673848, issued on Mar 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Rosalind Sarah Guest, ARNP located?

The NPPES record lists a practice address at 15240 W 64TH Ave, Arvada, CO, 80007. Phone: (303) 463-7181. Providers update this record themselves, so call before visiting.

How can I verify Rosalind Sarah Guest, ARNP's license?

NPPES lists Colorado license number C-APN.0002206-C-NP, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Rosalind Sarah Guest, ARNP prescribe under Medicare Part D?

In 2024, Rosalind Sarah Guest, ARNP had 2,039 Medicare Part D claims for 233 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.