Dr. Michael A. Dekker, DO
- Medicare services, 2023
- 47
- Part D claims, 2024
- 15
- Industry payments
- $1,455
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 3640 W Osborn Rd, Phoenix, AZ 85019
- Practice phone
- Call (602) 269-5300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southwest Network
Phoenix, Arizona
Find Dr. Dekker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael A. Dekker is a psychiatrist in Phoenix, Arizona
Dr. Dekker practices at Southwest Network in Phoenix, Arizona.
Dr. Dekker's NPI, 1790911246, was assigned on June 10, 2009. Dr. Dekker graduated from Nova Southeastern College of Osteo Medicine in 2009. Dr. Dekker holds Arizona license 006406.
- NPI
- 1790911246NPI Registry (opens in a new tab)
- NPI enumeration date
- June 10, 2009
- NPI status
- Active
- Practice phone
- (602) 269-5300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Michael A. Dekker practices at Southwest Network in Phoenix, Arizona
Dr. Dekker's primary practice is Southwest Network, at 3640 W Osborn Rd, Phoenix, AZ 85019 in Maricopa County. The practice phone is (602) 269-5300.
- Southwest Network3640 W Osborn Rd, Phoenix, AZ 85019 · Maricopa CountyPhone(602) 269-5300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael A. Dekker is affiliated with 2 sites of care and 1 medical group
Dr. Dekker's primary practice is Southwest Network in Phoenix, Arizona. The medical group on file is Southwest Network. Dmand AI also links Dr. Dekker to 1 more physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael A. Dekker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dekker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southwest Network | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael A. Dekker is one of 647 psychiatrists in Arizona
Psychiatry is Dr. Dekker's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Dekker is licensed in Arizona.
Specialties and state licenses
- Psychiatry, ArizonaPrimary
Psychiatrists near Dr. Dekker
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael A. Dekker billed Medicare for 47 services in 2023
CMS data shows 47 Medicare services from Dr. Dekker across 2 procedure codes in 2023, all of them office visits. Medicare paid $4,408 for them. Every service was in an office.
Dr. Dekker's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 752023: 4737%
Dr. Dekker compared with the Arizona median for psychiatrists, 2023
- Dr. Dekker
- Arizona median
- Medicare services
- 47vs 11860% below
- Part D claims
- 2,743vs 14019.6 times
Medians across 712 psychiatrists in Arizona with Dmand AI profiles that report each measure.
Dr. Dekker's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Dekker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dekker and other psychiatrists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael A. Dekker's patients have a median age of 40
Across all payers, Dmand AI patient panel data puts Dr. Dekker's median patient age at 40, with 0% women.
Dr. Dekker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Michael A. Dekker wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Dekker wrote 15 Medicare Part D claims. 87% of them were for generic drugs. They cover 55 drugs, with $258,017 in total drug cost. In 2022, CMS named 4,877 claims across 69 drugs.
Dr. Dekker's Part D claims by kind of drug, 2024
- Generic13 claims87%
- Brand-name and other2 claims13%
Dr. Dekker's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 4,8772023: 2,74344%
Drugs named by CMS: 55 in 2023, 69 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Michael A. Dekker received $1,455 in industry payments from 2016 to 2025
CMS Open Payments shows 60 general payments to Dr. Dekker from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Indivior Inc. paid the most, $446.
General payments to Dr. Dekker by program year, 2016 to 2025
Companies that paid Dr. Dekker the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael A. Dekker graduated from Nova Southeastern College of Osteo Medicine
Dr. Dekker graduated from Nova Southeastern College of Osteo Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael A. Dekker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael A. Dekker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael A. Dekker's NPI number?
Dr. Michael A. Dekker's NPI number is 1790911246. It was assigned on June 10, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael A. Dekker?
Dr. Michael A. Dekker is a psychiatrist in Phoenix, Arizona. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Michael A. Dekker practice?
Dr. Dekker practices at 3640 W Osborn Rd, Phoenix, AZ 85019. Dr. Dekker's primary practice is Southwest Network in Phoenix, Arizona. Dmand AI also links Dr. Dekker to 1 physician office.
What is Dr. Michael A. Dekker's office phone number?
The practice phone on file for Dr. Dekker is (602) 269-5300.
What is Dr. Michael A. Dekker's medical license number?
Dr. Dekker holds Arizona license 006406.
What medical group is Dr. Michael A. Dekker part of?
Dr. Dekker is linked to Southwest Network.
Does Dr. Michael A. Dekker accept Medicare?
Yes. CMS data shows Dr. Dekker billed Medicare for 47 services in 2023.
What services does Dr. Michael A. Dekker bill to Medicare?
In 2023, Dr. Dekker's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99215).
Where did Dr. Michael A. Dekker go to medical school?
Dr. Dekker graduated from Nova Southeastern College of Osteo Medicine in 2009.
What drugs does Dr. Michael A. Dekker prescribe most?
In 2023 Medicare Part D data, Dr. Dekker's most prescribed drugs by claims were Quetiapine Fumarate, Mirtazapine and Prazosin HCl.
Has Dr. Michael A. Dekker received payments from drug or device companies?
CMS Open Payments shows $1,455 in general payments to Dr. Dekker from 15 companies from 2016 to 2025. The largest total came from Indivior Inc.
How long has Dr. Michael A. Dekker been practicing?
Dr. Dekker graduated from medical school in 2009, 17 years ago.
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