Larry J. Cowley, M.D.
Psychiatry Physician · Phoenix, AZ
Larry J. Cowley, M.D. is a psychiatry physician with a practice address in Phoenix, Arizona, and NPI 1912934209, issued on Jun 26, 2006. Check the license (Arizona 25876, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Larry J. Cowley
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 25876 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4451 E Oak St, Phoenix, AZ 85008
- Phone
- (602) 685-6000
- Enumerated
- Jun 26, 2006
- Record last updated
- Apr 17, 2025
- Fax
- (602) 508-4492
- Medicaid ID
- 461434 AZ
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →
Also registered at 4451 E Oak St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Domtillah Chepchirchir, PMHNPPsychiatric/Mental Health Nurse Practitioner1871763888
- Katherine Chewning, LPCProfessional Counselor1568238780
- Dominae Cole, LCSWClinical Social Worker1528941358
- Audrey Elliott, PMHNPPsychiatric/Mental Health Nurse Practitioner1023037710
- Ivan Engel, M.D.Psychiatry Physician1598737363
- Joseph Gull, PMHNPPsychiatric/Mental Health Nurse Practitioner1962119081
Verify Larry J. Cowley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 25876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average psychiatry physician in 2024
2,980 Medicare Part D claims for 156 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Quetiapine Fumarate216 claims
- Clozapine178 claims
- Risperidone152 claims
- Trazodone Hcl131 claims
- Lamotrigine120 claims
- Olanzapine115 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: $17.44
1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, 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.
Larry J. Cowley among 942 psychiatry physician records in Arizona
Larry J. Cowley, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 61% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2025 · 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).
Psychiatry Physician providers in Arizona
There are 942 psychiatry physician records in Arizona.
All 942 in Arizona → Every provider in Phoenix → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Antonio Carr, M.D.Phoenix, AZ 850081801818349
- Chris Carson, MDPhoenix, AZ 850081811995863
- Karen Chaney, MDPhoenix, AZ 850081063469450
- Ivan Engel, M.D.Phoenix, AZ 850081598737363
- Gregory Gale, M.D.Phoenix, AZ 850081659307668
- John Kingsley, M.D.Phoenix, AZ 850081689777443
- Christina Korsak, M.D.Phoenix, AZ 850081619993060
- Vincent Krasevic, MDPhoenix, AZ 850081437259074
Common questions
What is Larry J. Cowley, M.D.'s NPI number?
Larry J. Cowley, M.D.'s National Provider Identifier (NPI) is 1912934209, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Larry J. Cowley, M.D. located?
The NPPES record lists a practice address at 4451 E Oak St, Phoenix, AZ, 85008. Phone: (602) 685-6000. Providers update this record themselves, so call before visiting.
How can I verify Larry J. Cowley, M.D.'s license?
NPPES lists Arizona license number 25876, 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 Larry J. Cowley, M.D. prescribe under Medicare Part D?
In 2024, Larry J. Cowley, M.D. had 2,980 Medicare Part D claims for 156 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.