NPPES file of Aug 9, 2026

Timothy Jon Arnott, MD

Family Medicine Physician · Denver, CO

Timothy Jon Arnott, MD is a family medicine physician with a practice address in Denver, Colorado, and NPI 1053362673, issued on May 16, 2006. Check the license (Colorado CDR.0001260, as entered in NPPES) on the Colorado Medical Board; 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
1053362673
Name
Timothy Jon Arnott
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
CDR.0001260 CO
G87967 CA
M-2158 GU
57363 TN
13835C WY
Self-reported in NPPES; status is on the state search
Practice location
2520 S Downing St, Denver, CO 80210
Phone
(303) 282-3676
Enumerated
May 16, 2006
Record last updated
Jan 13, 2022
Fax
(530) 237-0477
Medicare enrollment
Enrolled (PECOS I20220817000209); 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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Verify Timothy Jon Arnott in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license CDR.0001260
    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 Colorado license search

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52% fewer Medicare Part D claims than the average family medicine physician in 2024

1,716 Medicare Part D claims for 326 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Timothy Arnott1,716
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium89 claims
  2. Atorvastatin Calcium80 claims
  3. Losartan Potassium73 claims
  4. Rosuvastatin Calcium68 claims
  5. Omeprazole47 claims
  6. Amoxicillin-Clavulanate Potass38 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. Portercare Adventist Health SystemCastle Pines, CO

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

Timothy Jon Arnott among 3,563 family medicine physician records in Colorado

Timothy Jon Arnott, MD is one of 3,563 family medicine physician records with a practice address in Colorado. 76% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 56% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1990 · median 2008 among the 2,077 with a school on file
  • Record last updated2022 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

457 family medicine physician records list a practice address in Denver

They are 457 of the 25,068 NPPES records with a practice address in Denver, and 3,563 family medicine physician records in Colorado.

The 8 family medicine physician records with the nearest ZIP codes

  1. Tyler Brown, MDDenver, CO 802101154064806
  2. David Clampitt, MDDenver, CO 802101043430325
  3. Michael Dunn, M.D.Denver, CO 802101922155688
  4. Janice Hartman, M.DDenver, CO 802101821046723
  5. Ernesto Herfter, MDDenver, CO 802101659325710
  6. Brent Jaster, MDDenver, CO 802101740231398
  7. Elizabeth Kraft, MDDenver, CO 802101093581092
  8. Eugene O'Neill, MDDenver, CO 802101598733917

Common questions

What is Timothy Jon Arnott, MD's NPI number?

Timothy Jon Arnott, MD's National Provider Identifier (NPI) is 1053362673, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Jon Arnott, MD located?

The NPPES record lists a practice address at 2520 S Downing St, Denver, CO, 80210. Phone: (303) 282-3676. Providers update this record themselves, so call before visiting.

How can I verify Timothy Jon Arnott, MD's license?

NPPES lists Colorado license number CDR.0001260, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Timothy Jon Arnott, MD prescribe under Medicare Part D?

In 2024, Timothy Jon Arnott, MD had 1,716 Medicare Part D claims for 326 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.