Robert Bruce Cowan, M.D.
Psychiatry Physician · Centennial, CO
Robert Bruce Cowan, M.D. is a psychiatry physician with a practice address in Centennial, Colorado, and NPI 1831165687, issued on Feb 23, 2006. Check the license (Colorado 17457, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Bruce Cowan
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 17457 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2305 E Arapahoe RD, Centennial, CO 80122
- Phone
- (303) 738-0990
- Enumerated
- Feb 23, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (303) 738-0999
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 990 in Colorado → Look up another NPI →
Also registered at 2305 E Arapahoe RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Fish, D.C.Nutrition Chiropractor1750748778
- Dylan Goldberg, MSWClinical Social Worker1689436206
- Carolyn Groff, D.C.Chiropractor1285728857
- Kwai Kendall Grove, PH.D.Clinical Child & Adolescent Psychologist1447481734
- Pamela Kennel, MA, LPCCounselor1861624033
- Michelle Rollins, M.A., LPC, CACIIIProfessional Counselor1770596728
Verify Robert Bruce Cowan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 17457Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average psychiatry physician in 2024
550 Medicare Part D claims for 65 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Clonazepam100 claims
- Alprazolam46 claims
- Dextroamphetamine-Amphetamine30 claims
- Lamotrigine29 claims
- Trazodone Hcl29 claims
- Zolpidem Tartrate23 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.
Industry payments in 2024: $118.37
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Robert Bruce Cowan among 990 psychiatry physician records in Colorado
Robert Bruce Cowan, M.D. is one of 990 psychiatry physician records with a practice address in Colorado. 65% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 62% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 35% of these records are
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Colorado
There are 990 psychiatry physician records in Colorado.
All 990 in Colorado → Every provider in Centennial → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Mary Braud, MDLittleton, CO 801221558580902
- Daniel Daylamani, M.D.Centennial, CO 801221548649080
- Theodore Henderson, MD, PHDCentennial, CO 801221568570026
- Rebecca Moore, M.D.Littleton, CO 801221154549269
- Dharmaja Raviendran, MDCentennial, CO 801221215013487
- John Alston, M.D.Littleton, CO 801231285905463
- Arthur Garfein, M. D.Littleton, CO 801211922171347
- Allan Willett, M.D.Littleton, CO 801231841226321
Common questions
What is Robert Bruce Cowan, M.D.'s NPI number?
Robert Bruce Cowan, M.D.'s National Provider Identifier (NPI) is 1831165687, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Bruce Cowan, M.D. located?
The NPPES record lists a practice address at 2305 E Arapahoe RD, Centennial, CO, 80122. Phone: (303) 738-0990. Providers update this record themselves, so call before visiting.
How can I verify Robert Bruce Cowan, M.D.'s license?
NPPES lists Colorado license number 17457, 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 Robert Bruce Cowan, M.D. prescribe under Medicare Part D?
In 2024, Robert Bruce Cowan, M.D. had 550 Medicare Part D claims for 65 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.