Jeffrey B. Warren, M.D.
Psychiatry Physician · Loveland, CO
Jeffrey B. Warren, M.D. is a psychiatry physician with a practice address in Loveland, Colorado, and NPI 1528137718, issued on Nov 6, 2006. Check the license (Colorado DR.0056138, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jeffrey B. Warren
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- DR.0056138 CO
037723 GA
Self-reported in NPPES; status is on the state search - Practice location
- 1615 Foxtrail Dr Ste 230, Loveland, CO 80538
- Phone
- (970) 820-0470
- Enumerated
- Nov 6, 2006
- Record last updated
- Apr 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (970) 315-0030
- Medicare enrollment
- Enrolled (PECOS I20160517000890); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 990 in Colorado → Look up another NPI →
Also registered at 1615 Foxtrail Dr Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandra Engebretsen, ARNPPsychiatric/Mental Health Nurse Practitioner1386841682
Verify Jeffrey B. Warren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0056138Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.7 times the Medicare Part D claims of the average psychiatry physician in 2024
4,661 Medicare Part D claims for 206 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Quetiapine Fumarate329 claims
- Clonazepam298 claims
- Bupropion Xl241 claims
- Lamotrigine228 claims
- Trazodone Hcl217 claims
- Alprazolam186 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
- Compass Colorado Healthcare Systems IncLone Tree, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey B. Warren among 990 psychiatry physician records in Colorado
Jeffrey B. Warren, 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 fileYes · 35% of these records are
- Graduated1986 · median 2009 among the 351 with a school on file
- Record last updated2020 · 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 Loveland → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Russell Goldstein, MDLoveland, CO 805381902327745
- Kylie House, MDLoveland, CO 805381538514591
- Michelle Moses, DOLoveland, CO 805381215498530
- Elizabeth Rose, D.O.Loveland, CO 805381760585749
- Eric Straumanis, MDLoveland, CO 805381265442867
- Finis Taylor, DOLoveland, CO 805381790139905
- Sonya Wakil, M.D.Loveland, CO 805381386832004
- Jason Collison, M.D.Fort Collins, CO 805281518145143
Common questions
What is Jeffrey B. Warren, M.D.'s NPI number?
Jeffrey B. Warren, M.D.'s National Provider Identifier (NPI) is 1528137718, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey B. Warren, M.D. located?
The NPPES record lists a practice address at 1615 Foxtrail Dr Ste 230, Loveland, CO, 80538. Phone: (970) 820-0470. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey B. Warren, M.D.'s license?
NPPES lists Colorado license number DR.0056138, 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 Jeffrey B. Warren, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey B. Warren, M.D. had 4,661 Medicare Part D claims for 206 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.