NPPES file of Aug 9, 2026

Margaret Ruddy, PA

Physician Assistant · Highlands Ranch, CO

Margaret Ruddy, PA is a physician assistant with a practice address in Highlands Ranch, Colorado, and NPI 1902843113, issued on May 31, 2006. Check the license (Colorado 1682, 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
1902843113
Name
Margaret Ruddy
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
1682 CO
Self-reported in NPPES; status is on the state search
Practice location
3235 Mill Vista RD, Highlands Ranch, CO 80129
Phone
(303) 876-8320
Enumerated
May 31, 2006
Record last updated
Feb 26, 2026
Fax
(888) 701-4175
Medicare enrollment
Enrolled (PECOS I20060502000180); 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 3235 Mill Vista RD

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

  1. Ashley AtencioClinical Social Worker1114809126
  2. Mary Frances Blatter, OTDOccupational Therapist1083545016
  3. Angela Busse, N.P.Adult Health Nurse Practitioner1356493696
  4. Annette Camarano, LCSWClinical Social Worker1700309366
  5. Nantida Hong, MDInternal Medicine Physician1932300621
  6. Elise Kelly, OTR/LOccupational Therapist1447725130

Verify Margaret Ruddy 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 1682
    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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3.5 times the Medicare Part D claims of the average physician assistant in 2024

2,882 Medicare Part D claims for 471 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 59 claims were for opioids.

  1. Margaret Ruddy2,882
  2. Specialty average830

Most prescribed

  1. Levothyroxine Sodium228 claims
  2. Atorvastatin Calcium179 claims
  3. Amlodipine Besylate102 claims
  4. Lisinopril96 claims
  5. Losartan Potassium80 claims
  6. Eliquis78 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. Erickson Health Medical Group OF Colorado, PCHighlands Ranch, CO

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

39 physician assistant records list a practice address in Highlands Ranch

They are 39 of the 1,361 NPPES records with a practice address in Highlands Ranch, and 3,767 physician assistant records in Colorado.

Other physician assistant records in Colorado

  1. Hannah Abbe, PADenver, CO1083360184
  2. Brianna Abbott, PA-CColorado Springs, CO1013366905
  3. Elise AbbottFort Collins, CO1194516542
  4. Jennifer Abbott, PA-CColorado Springs, CO1851821334
  5. Timothy Abbott, PA-CDenver, CO1023152212
  6. Alexander AbbruzzeseFort Carson, CO1538994132
  7. Mary Abraham, PA-CColorado Springs, CO1225696800
  8. Mariella Accame, PALakewood, CO1629007141
  9. Valerie Ackman, PA-CEnglewood, CO1982824504
  10. Megan Acosta O'GaraPueblo, CO1083390736

Common questions

What is Margaret Ruddy, PA's NPI number?

Margaret Ruddy, PA's National Provider Identifier (NPI) is 1902843113, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Ruddy, PA located?

The NPPES record lists a practice address at 3235 Mill Vista RD, Highlands Ranch, CO, 80129. Phone: (303) 876-8320. Providers update this record themselves, so call before visiting.

How can I verify Margaret Ruddy, PA's license?

NPPES lists Colorado license number 1682, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Margaret Ruddy, PA prescribe under Medicare Part D?

In 2024, Margaret Ruddy, PA had 2,882 Medicare Part D claims for 471 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.