NPPES file of Aug 9, 2026

Ryan Buckley, MD

Allergy & Immunology Physician · Littleton, CO

Ryan Buckley, MD is an allergy & immunology physician with a practice address in Littleton, Colorado, and NPI 1346628138, issued on May 12, 2015. Check the license (Colorado DR.0064420, 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
1346628138
Name
Ryan Buckley
Credential
MD
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
DR.0064420 CO
Self-reported in NPPES; status is on the state search
Practice location
5920 S Estes St Ste 120, Littleton, CO 80123
Phone
(303) 971-0311
Enumerated
May 12, 2015
Record last updated
May 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(303) 948-0339
Medicare enrollment
Enrolled (PECOS I20200622002641); 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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Verify Ryan Buckley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0064420
    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

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21% more Medicare Part D claims than the average allergy & immunology physician in 2024

899 Medicare Part D claims for 195 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.

  1. Ryan Buckley899
  2. Specialty average741

Most prescribed

  1. Albuterol Sulfate Hfa139 claims
  2. Montelukast Sodium132 claims
  3. Symbicort93 claims
  4. Advair Hfa68 claims
  5. Ipratropium Bromide68 claims
  6. Fluticasone-Salmeterol53 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: $73.59

3 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ryan Buckley$73.59
  2. Specialty average$8,321.81

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. Colorado Allergy And Asthma Centers PCFort Collins, CO

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

Ryan Buckley among 102 allergy & immunology physician records in Colorado

Ryan Buckley, MD is one of 102 allergy & immunology physician records with a practice address in Colorado. 70% 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 88% of them.

  • NPI issued2015 · 88% of these records are older, 8% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2015 · median 2006 among the 55 with a school on file
  • Record last updated2021 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in Colorado

There are 102 allergy & immunology physician records in Colorado.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Sanford Avner, M.D.Lone Tree, CO 801241093813511
  2. Jayna Doshi, MDLone Tree, CO 801241538215132
  3. Michael Lunn, D.O.Lone Tree, CO 801241780890178
  4. Lora Stewart, M.D.Lone Tree, CO 801241346201985
  5. Joanne Vitanza, MDCentennial, CO 801221558382739
  6. Jerald Koepke, MDHighlands Ranch, CO 801261477524957
  7. Evelyn Wang, MDHighlands Ranch, CO 801261457715823
  8. Jayne KinsellaHighlands Ranch, CO 801291316081110

Common questions

What is Ryan Buckley, MD's NPI number?

Ryan Buckley, MD's National Provider Identifier (NPI) is 1346628138, issued on May 12, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Buckley, MD located?

The NPPES record lists a practice address at 5920 S Estes St Ste 120, Littleton, CO, 80123. Phone: (303) 971-0311. Providers update this record themselves, so call before visiting.

How can I verify Ryan Buckley, MD's license?

NPPES lists Colorado license number DR.0064420, 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 Ryan Buckley, MD prescribe under Medicare Part D?

In 2024, Ryan Buckley, MD had 899 Medicare Part D claims for 195 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.