NPPES file of Aug 9, 2026

Chuck R. Colas, DO

General Practice Physician · Lewiston, ID

Chuck R. Colas, DO is a general practice physician with a practice address in Lewiston, Idaho, and NPI 1831204288, issued on Aug 19, 2006. Check the license (Idaho O-0668, as entered in NPPES) on the Idaho Board of Medicine; 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
1831204288
Name
Chuck R. Colas
Credential
DO
Primary taxonomy
General Practice Physician 208D00000X
License numbers
O-0668 ID
20A7380 CA
Self-reported in NPPES; status is on the state search
Practice location
2315 8TH St, Lewiston, ID 83501
Phone
(208) 746-1383
Enumerated
Aug 19, 2006
Record last updated
Feb 25, 2026
Fax
(833) 941-3874
Medicaid IDs
1831204288 CA
2276875 WA
1831204288 ID
Medicare enrollment
Enrolled (PECOS I20130121000158); 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 2315 8TH St

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

  1. Craig Ambroson, MDPediatrics Physician1629024179
  2. Barbara Arnzen, PACPhysician Assistant1780653097
  3. Danielle Barnes, PA-CPhysician Assistant1356747042
  4. Geneen Bigsby, DOObstetrics & Gynecology Physician1710081450
  5. Michael Blue, DOFamily Medicine Physician1558309393
  6. Natale Carasali, MDPediatrics Physician1003861626

Verify Chuck R. Colas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIdaho Board of Medicine
    Search for license O-0668
    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 Idaho 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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42% fewer Medicare Part D claims than the average general practice physician in 2024

1,764 Medicare Part D claims for 324 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. 232 claims were for opioids.

  1. Chuck Colas1,764
  2. Specialty average3,030

Most prescribed

  1. Hydrocodone-Acetaminophen133 claims
  2. Lisinopril85 claims
  3. Gabapentin70 claims
  4. Oxycodone-Acetaminophen44 claims
  5. Trazodone Hcl43 claims
  6. Atorvastatin Calcium40 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. St Joseph Hospital LLCLewiston, ID

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

Chuck R. Colas among 30 general practice physician records in Idaho

Chuck R. Colas, DO is one of 30 general practice physician records with a practice address in Idaho. 50% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 67% newer
  • In a Medicare fileYes · 50% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Record last updated2026 · 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 208D00000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Physician providers in Idaho

There are 30 general practice physician records in Idaho.

The 8 general practice physician records with the nearest ZIP codes

  1. Sherry Stoutin, MDLewiston, ID 835011184707903
  2. Janene Witherite, PA-CVictor, ID 834551508467051
  3. Stephen Cheyne, M.D.Saint Anthony, ID 834451346391513
  4. Jacob Moss, M.D., J.D.Saint Anthony, ID 834451205179751
  5. David Day, P.A.Rexburg, ID 834401649321134
  6. Charles Zollinger, M.D.Rexburg, ID 834401629182282
  7. Lanie BensonDriggs, ID 834221215344353
  8. Emily Jensen, DOIdaho Falls, ID 834041245989318

Common questions

What is Chuck R. Colas, DO's NPI number?

Chuck R. Colas, DO's National Provider Identifier (NPI) is 1831204288, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chuck R. Colas, DO located?

The NPPES record lists a practice address at 2315 8TH St, Lewiston, ID, 83501. Phone: (208) 746-1383. Providers update this record themselves, so call before visiting.

How can I verify Chuck R. Colas, DO's license?

NPPES lists Idaho license number O-0668, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Chuck R. Colas, DO prescribe under Medicare Part D?

In 2024, Chuck R. Colas, DO had 1,764 Medicare Part D claims for 324 beneficiaries; the average among general practice physician prescribers was 3,030. 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.