NPPES file of Aug 9, 2026

Shannon Barbara Ross, PA

Physician Assistant · Boulder, CO

Shannon Barbara Ross, PA is a physician assistant with a practice address in Boulder, Colorado, and NPI 1588621445, issued on Apr 26, 2006. Check the license (Colorado PA.0002309, 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
1588621445
Name
Shannon Barbara Ross
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA.0002309 CO
Self-reported in NPPES; status is on the state search
Practice location
2525 13TH St, Boulder, CO 80304
Phone
(303) 449-6050
Enumerated
Apr 26, 2006
Record last updated
May 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(720) 565-4132
Medicaid ID
64373215 CO
Medicare enrollment
Enrolled (PECOS I20081015000283); 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 2525 13TH St

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

  1. Christopher Ahumada, PAPhysician Assistant1093429029
  2. Amy Alper, PAPhysician Assistant1104814540
  3. Alison Alter, FNPFamily Nurse Practitioner1528534211
  4. Christa Ambrose, DOFamily Medicine Physician1902912116
  5. Erin Atkinson, ARNPFamily Nurse Practitioner1730170689
  6. Emily Barnak, PA-CPhysician Assistant1033441431

Verify Shannon Barbara Ross 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 PA.0002309
    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

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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81% fewer Medicare Part D claims than the average physician assistant in 2024

154 Medicare Part D claims for 100 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Shannon Ross154
  2. Specialty average830

Most prescribed

  1. Triamcinolone Acetonide31 claims
  2. Ketoconazole24 claims
  3. Hydrocortisone12 claims
  4. Clobetasol Propionate11 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.

Industry payments in 2024: $580.52

23 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Shannon Ross$580.52
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. K2 Dermatology LLCBoulder, CO

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

Shannon Barbara Ross among 3,767 physician assistant records in Colorado

Shannon Barbara Ross, PA is one of 3,767 physician assistant 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 83% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2003 · median 2017 among the 2,351 with a school on file
  • Record last updated2021 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

100 physician assistant records list a practice address in Boulder

They are 100 of the 5,635 NPPES records with a practice address in Boulder, and 3,767 physician assistant records in Colorado.

The 8 physician assistant records with the nearest ZIP codes

  1. Amy Alper, PABoulder, CO 803041104814540
  2. David BennerBoulder, CO 803041538150966
  3. John Campbell, PACBoulder, CO 803041669575452
  4. Linda Gore, PABoulder, CO 803041144218595
  5. Elizabeth Helgans, PA-CBoulder, CO 803041174664825
  6. Brooke Lewis, PA-CBoulder, CO 803041952497646
  7. Jule McLaughlin, PABoulder, CO 803041801996764
  8. Andrew Pruitt, P.A.Boulder, CO 803041194707745

Common questions

What is Shannon Barbara Ross, PA's NPI number?

Shannon Barbara Ross, PA's National Provider Identifier (NPI) is 1588621445, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Shannon Barbara Ross, PA located?

The NPPES record lists a practice address at 2525 13TH St, Boulder, CO, 80304. Phone: (303) 449-6050. Providers update this record themselves, so call before visiting.

How can I verify Shannon Barbara Ross, PA's license?

NPPES lists Colorado license number PA.0002309, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Shannon Barbara Ross, PA prescribe under Medicare Part D?

In 2024, Shannon Barbara Ross, PA had 154 Medicare Part D claims for 100 beneficiaries; the average among physician assistant prescribers was 830. 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.