Dr. Atsuko Koyama, MD, MPH
- Hospital affiliations
- 1
- Industry payments
- $616
- Medical groups
- 4
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 2601 East Roosevelt Street, Phoenix, AZ 85008
- Practice phone
- Call (602) 344-5011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Koyama'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. Atsuko Koyama is an emergency medicine physician in Phoenix, Arizona
Dr. Koyama practices at Valleywise Health Medical Center in Phoenix, Arizona, part of Valleywise Health.
Dr. Koyama's NPI, 1730387564, was assigned on July 3, 2007. Dr. Koyama graduated from University of Arizona College of Medicine in 2004. Dr. Koyama holds Arizona license 59533.
- NPI
- 1730387564NPI Registry (opens in a new tab)
- NPI enumeration date
- July 3, 2007
- NPI status
- Active
- Practice phone
- (602) 344-5011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Atsuko Koyama practices at Valleywise Health Medical Center in Phoenix, Arizona
Dr. Koyama's primary practice is Valleywise Health Medical Center, at 2601 East Roosevelt Street, Phoenix, AZ 85008 in Maricopa County. The practice phone is (602) 344-5011.
- Valleywise Health Medical Center2601 East Roosevelt Street, Phoenix, AZ 85008 · Maricopa CountyPhone(602) 344-5011
Source: Dmand AI Affiliation Data
Dr. Atsuko Koyama is affiliated with 3 sites of care and 4 medical groups
Dr. Koyama's primary practice is Valleywise Health Medical Center in Phoenix, Arizona, part of Valleywise Health. The medical group on file is District Medical Group. Dmand AI also links Dr. Koyama to 3 more medical groups, 1 dialysis center and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Atsuko Koyama's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koyama practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valleywise Health Medical Center | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Valleywise Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Atsuko Koyama is one of 1,360 emergency medicine physicians in Arizona
Emergency medicine is Dr. Koyama's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Koyama is licensed in Arizona.
Specialties and state licenses
- Emergency medicine, ArizonaPrimary
Emergency medicine physicians near Dr. Koyama
Counts of emergency medicine physicians 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. Atsuko Koyama's patients have a median age of 7
Across all payers, Dmand AI patient panel data puts Dr. Koyama's median patient age at 7, with 48% women.
Dr. Koyama's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 7
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Atsuko Koyama received $616 in industry payments from 2020 to 2025
CMS Open Payments shows 38 general payments to Dr. Koyama from 5 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Mayne Pharma Inc. paid the most, $463.
General payments to Dr. Koyama by program year, 2020 to 2025
Companies that paid Dr. Koyama the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Atsuko Koyama graduated from University of Arizona College of Medicine
Dr. Koyama graduated from University of Arizona College of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Atsuko Koyama'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Atsuko Koyama
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. Atsuko Koyama's NPI number?
Dr. Atsuko Koyama's NPI number is 1730387564. It was assigned on July 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Atsuko Koyama?
Dr. Atsuko Koyama is an emergency medicine physician in Phoenix, Arizona. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Atsuko Koyama practice?
Dr. Koyama practices at 2601 East Roosevelt Street, Phoenix, AZ 85008. Dr. Koyama's primary practice is Valleywise Health Medical Center in Phoenix, Arizona, part of Valleywise Health. Dmand AI also links Dr. Koyama to 3 medical groups, 1 dialysis center and 1 group practice or clinic.
What is Dr. Atsuko Koyama's office phone number?
The practice phone on file for Dr. Koyama is (602) 344-5011.
What is Dr. Atsuko Koyama's medical license number?
Dr. Koyama holds Arizona license 59533.
Which hospitals is Dr. Atsuko Koyama affiliated with?
Dr. Koyama practices at Valleywise Health Medical Center in Phoenix, Arizona.
What medical group is Dr. Atsuko Koyama part of?
Dr. Koyama is linked to District Medical Group. Dmand AI links Dr. Koyama to 3 more medical groups.
Where did Dr. Atsuko Koyama go to medical school?
Dr. Koyama graduated from University of Arizona College of Medicine in 2004.
Has Dr. Atsuko Koyama received payments from drug or device companies?
CMS Open Payments shows $616 in general payments to Dr. Koyama from 5 companies from 2020 to 2025. The largest total came from Mayne Pharma Inc.
How long has Dr. Atsuko Koyama been practicing?
Dr. Koyama graduated from medical school in 2004, 22 years ago.
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