NPPES file of Aug 9, 2026

Andrew Duffield Hildner, PA-C

Medical Physician Assistant · Longmont, CO

Andrew Duffield Hildner, PA-C is a medical physician assistant with a practice address in Longmont, Colorado, and NPI 1841599354, issued on Mar 23, 2011. Check the license (Colorado 3169, 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
1841599354
Name
Andrew Duffield Hildner
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
3169 CO
Self-reported in NPPES; status is on the state search
Practice location
1551 Professional LN, Longmont, CO 80501
Phone
(303) 772-1600
Enumerated
Mar 23, 2011
Record last updated
Apr 4, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(303) 772-9317
Medicaid ID
43274005 CO
Medicare enrollment
Enrolled (PECOS I20110506000493); 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 1551 Professional LN

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

  1. Jesus Arellano, PT, DPTPhysical Therapist1952131278
  2. Laurilyn Bailey, B.S.O.T.Hand Occupational Therapist1992801575
  3. Kristin Baird, M.D.Dermatology Physician1013900539
  4. Ann Brexa, O.T.R.Occupational Therapist1508876251
  5. Jenna Cappello, PA-CPhysician Assistant1093046625
  6. Jean Colton, PTPhysical Therapist1093790172

Verify Andrew Duffield Hildner 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 3169
    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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20% more Medicare Part D claims than the average medical physician assistant in 2024

1,379 Medicare Part D claims for 185 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Andrew Hildner1,379
  2. Specialty average1,148

Most prescribed

  1. Atorvastatin Calcium122 claims
  2. Levothyroxine Sodium91 claims
  3. Losartan Potassium64 claims
  4. Amlodipine Besylate57 claims
  5. Metformin Hcl53 claims
  6. Lisinopril50 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. Intermountain Medical Group Denver LLCBroomfield, CO

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

Andrew Duffield Hildner among 1,308 medical physician assistant records in Colorado

Andrew Duffield Hildner, PA-C is one of 1,308 medical physician assistant records with a practice address in Colorado. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 45% of them.

  • NPI issued2011 · 45% of these records are older, 52% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2010 · median 2014 among the 727 with a school on file
  • Record last updated2012 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Colorado

There are 1,308 medical physician assistant records in Colorado.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Thomas Bachinski, PACLongmont, CO 805011679654909
  2. Julie Hammond, PA-CLongmont, CO 805011619305695
  3. Erin Keefer, PACLongmont, CO 805011083632012
  4. Jonathan Manto, P.A.Longmont, CO 805011871730101
  5. Chelsea McLean, PA-CLongmont, CO 805011528430717
  6. Amanda Mixon, PA-CLongmont, CO 805011174795017
  7. Katherine Olson, PALongmont, CO 805011366718983
  8. Amber Payne, P.A.Longmont, CO 805011518986751

Common questions

What is Andrew Duffield Hildner, PA-C's NPI number?

Andrew Duffield Hildner, PA-C's National Provider Identifier (NPI) is 1841599354, issued on Mar 23, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Duffield Hildner, PA-C located?

The NPPES record lists a practice address at 1551 Professional LN, Longmont, CO, 80501. Phone: (303) 772-1600. Providers update this record themselves, so call before visiting.

How can I verify Andrew Duffield Hildner, PA-C's license?

NPPES lists Colorado license number 3169, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Andrew Duffield Hildner, PA-C prescribe under Medicare Part D?

In 2024, Andrew Duffield Hildner, PA-C had 1,379 Medicare Part D claims for 185 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.