NPPES file of Aug 9, 2026

Richard D. Collison, M.D.

Specialist · Prescott, AZ

Richard D. Collison, M.D. is a specialist with a practice address in Prescott, Arizona, and NPI 1669448395, issued on Feb 23, 2006. Check the license (Arizona 15632, as entered in NPPES) with the Arizona 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
1669448395
Name
Richard D. Collison
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
15632 AZ
Self-reported in NPPES; status is on the state search
Practice location
1003 Willow Creek RD, Prescott, AZ 86301
Phone
(928) 778-2405
Enumerated
Feb 23, 2006
Record last updated
Sep 13, 2011 (not updated in 15 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest specialist records → All 747 in Arizona → Look up another NPI →

Also registered at 1003 Willow Creek RD

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

  1. Suzanne Allen, M.D.Internal Medicine Physician1649287574
  2. Larry Anderson, R.PH.Pharmacist1780619106
  3. Zachary Archer, CCPPerfusionist1427500107
  4. James Arocho, MDAnatomic Pathology & Clinical Pathology Physician1205815966
  5. Michael Arroyo, MDAnatomic Pathology & Clinical Pathology Physician1427022284
  6. Joanna AugheComputed Tomography Radiologic Technologist1568246965

Verify Richard D. Collison in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 15632    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 Arizona license search

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98% fewer Medicare Part D claims than the average specialist in 2024

22 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. Richard Collison22
  2. Specialty average1,380

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.

Richard D. Collison among 747 specialist records in Arizona

Richard D. Collison, M.D. is one of 747 specialist records with a practice address in Arizona. 25% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 52% newer
  • In a Medicare fileYes · 25% of these records are
  • In the CMS Doctors and Clinicians fileNo · 16% of these records are
  • Record last updated2011 · 83% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

35 specialist records list a practice address in Prescott

They are 35 of the 1,818 NPPES records with a practice address in Prescott, and 747 specialist records in Arizona.

All 747 in Arizona → Every provider in Prescott → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Constance AndersenPrescott, AZ 863011538467469
  2. Desiree EdenPrescott, AZ 863011972624518
  3. Mark Fetter, M.D.Prescott, AZ 863011568427490
  4. Irene HsiehPrescott, AZ 863011629416755
  5. Kayla JaramilloPrescott, AZ 863011881435089
  6. Kathleen ParkerPrescott, AZ 863011982880142
  7. Kim Plawchan, L.M.T.Prescott, AZ 863011467694901
  8. Lorraine Ralph, M.D.Prescott, AZ 863011790721454

Common questions

What is Richard D. Collison, M.D.'s NPI number?

Richard D. Collison, M.D.'s National Provider Identifier (NPI) is 1669448395, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard D. Collison, M.D. located?

The NPPES record lists a practice address at 1003 Willow Creek RD, Prescott, AZ, 86301. Phone: (928) 778-2405. Providers update this record themselves, so call before visiting.

How can I verify Richard D. Collison, M.D.'s license?

NPPES lists Arizona license number 15632, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Richard D. Collison, M.D. prescribe under Medicare Part D?

In 2024, Richard D. Collison, M.D. had 22 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.

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.