NPPES file of Aug 9, 2026

Ariadhne Padilla-Diffoot, PHD

Clinical Psychologist · Longmont, CO

Ariadhne Padilla-Diffoot, PHD is a clinical psychologist with a practice address in Longmont, Colorado, and NPI 1679145114, issued on Jul 14, 2021. Check the license (Colorado PSY.0005540, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679145114
Name
Ariadhne Padilla-Diffoot
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY.0005540 CO
Self-reported in NPPES; status is on the state search
Practice location
220 E Rogers RD, Longmont, CO 80501
Phone
(303) 697-2583
Enumerated
Jul 14, 2021
Record last updated
Jul 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(303) 682-6419
Medicare enrollment
Enrolled (PECOS I20210729001066); 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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8 nearest clinical psychologist records → All 1,652 in Colorado → Look up another NPI →

Also registered at 220 E Rogers RD

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

  1. Michael Allen, DOFamily Medicine Physician1003892761
  2. Joshua Bailey, M.D.Family Medicine Physician1598149049
  3. Michael Beer, PAPhysician Assistant1124096839
  4. Matthew Brett, MDFamily Medicine Physician1285610964
  5. Melynda Caddell, DHDental Hygienist1194939439
  6. Jody Davis, DDSGeneral Practice Dentistry1790927366

Verify Ariadhne Padilla-Diffoot 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 PSY.0005540    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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Bills Medicare through one group practice

  1. Poudre Valley Medical Group LLCLongmont, CO

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

Ariadhne Padilla-Diffoot among 1,652 clinical psychologist records in Colorado

Ariadhne Padilla-Diffoot, PHD is one of 1,652 clinical psychologist records with a practice address in Colorado. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 88% of them.

  • NPI issued2021 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 22% of these records are
  • Graduated2019 · median 2009 among the 370 with a school on file
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in Colorado

There are 1,652 clinical psychologist records in Colorado.

All 1,652 in Colorado → Every provider in Longmont → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Heidi Ardern, PH.D. LMFTLongmont, CO 805011780974501
  2. Jon Blauw, PHDNELongmont, CO 805011295224020
  3. Caryl Hearst, PSY DLongmont, CO 805011235101007
  4. Bruce Kugler, PHDLongmont, CO 805011386799385
  5. Allison Levine, PHDLongmont, CO 805011891897971
  6. Peter Levine, PHDLongmont, CO 805011306948401
  7. Marilyn Maher, PH.D.Longmont, CO 805011730196254
  8. Peter Maves, PH.D.Longmont, CO 805011215995154

Common questions

What is Ariadhne Padilla-Diffoot, PHD's NPI number?

Ariadhne Padilla-Diffoot, PHD's National Provider Identifier (NPI) is 1679145114, issued on Jul 14, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Ariadhne Padilla-Diffoot, PHD located?

The NPPES record lists a practice address at 220 E Rogers RD, Longmont, CO, 80501. Phone: (303) 697-2583. Providers update this record themselves, so call before visiting.

How can I verify Ariadhne Padilla-Diffoot, PHD's license?

NPPES lists Colorado license number PSY.0005540, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.