Dennis C. Westin, M.D.
Psychiatry Physician · Tucson, AZ
Dennis C. Westin, M.D. is a psychiatry physician with a practice address in Tucson, Arizona, and NPI 1992705388, issued on Jul 28, 2005. Check the license (Arizona 6417, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Dennis C. Westin
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 6417 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5240 E Knight Dr, Tucson, AZ 85712
- Phone
- (520) 795-0309
- Enumerated
- Jul 28, 2005
- Record last updated
- Feb 12, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (520) 795-2030
- Medicare enrollment
- Enrolled (PECOS I20120606000646); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 1968
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →
Also registered at 5240 E Knight Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Raymond Graap, M.D.Endocrinology, Diabetes & Metabolism Physician1720024656
- Solomon Grossman, PH.D.Mental Health Counselor1528069838
- Barton Hodes, MDOphthalmology Physician1205911823
Verify Dennis C. Westin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 6417Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% more Medicare Part D claims than the average psychiatry physician in 2024
1,413 Medicare Part D claims for 124 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
- Alprazolam141 claims
- Lorazepam109 claims
- Bupropion Xl78 claims
- Clonazepam73 claims
- Escitalopram Oxalate70 claims
- Trazodone Hcl51 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: $216.23
12 payments; by number, the most common kind was food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., 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.
Dennis C. Westin among 942 psychiatry physician records in Arizona
Dennis C. Westin, M.D. is one of 942 psychiatry physician records with a practice address in Arizona. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 41% of these records are
- Graduated1968 · median 2007 among the 382 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
266 psychiatry physician records list a practice address in Tucson
They are 266 of the 18,788 NPPES records with a practice address in Tucson, and 942 psychiatry physician records in Arizona.
All 942 in Arizona → Every provider in Tucson → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Adriana-Maria Boiangiu, M.DTucson, AZ 857121396024741
- David Brooks, M.D.Tucson, AZ 857121760692701
- Steven Bupp, M.D.Tucson, AZ 857121780659029
- Victoria Canelos, MDTucson, AZ 857121184184780
- Nancy Coyne, M.D.Tucson, AZ 857121801900154
- Dawn Gunter, M.D.Tucson, AZ 857121992853691
- Kent Kalina, M.D.Tucson, AZ 857121659803468
- Gayle Masterson, M.D.Tucson, AZ 857121063626125
Common questions
What is Dennis C. Westin, M.D.'s NPI number?
Dennis C. Westin, M.D.'s National Provider Identifier (NPI) is 1992705388, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dennis C. Westin, M.D. located?
The NPPES record lists a practice address at 5240 E Knight Dr, Tucson, AZ, 85712. Phone: (520) 795-0309. Providers update this record themselves, so call before visiting.
How can I verify Dennis C. Westin, M.D.'s license?
NPPES lists Arizona license number 6417, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dennis C. Westin, M.D. prescribe under Medicare Part D?
In 2024, Dennis C. Westin, M.D. had 1,413 Medicare Part D claims for 124 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.