Dr. James Michael Underwood, DO
- Industry payments
- $643
- Affiliated sites
- 2
- Medical groups
- 2
- State licenses
- 2
- Year NPI issued
- 2005
- Practice address
- 4616 North 51st Avenue, Suite 203, Phoenix, AZ 85033
- Practice phone
- Call (602) 323-3345
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Maryvale Clinic
FQHC - Main Site · Phoenix, Arizona
Find Dr. Underwood'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. James Michael Underwood is a pediatrician in Phoenix, Arizona
Dr. Underwood practices at Maryvale Clinic in Phoenix, Arizona.
Dr. Underwood's NPI, 1558365957, was assigned on June 13, 2005. Dr. Underwood graduated from Ohio University, College of Osteopathic Medicine in 1995. Dr. Underwood holds Arizona license 007525.
- NPI
- 1558365957NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416047287
- NPI enumeration date
- June 13, 2005
- NPI status
- Active
- Practice phone
- (602) 323-3345
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. James Michael Underwood practices at 2 locations in Phoenix, Arizona
Dr. Underwood's primary practice is Maryvale Clinic, at 4616 North 51st Avenue, Suite 203, Phoenix, AZ 85033 in Maricopa County. The practice phone is (602) 323-3345. Dr. Underwood also practices at Mountain Park Health Center, 6601 W Thomas Rd, Phoenix, AZ 85033.
- Maryvale ClinicPrimary4616 North 51st Avenue, Suite 203, Phoenix, AZ 85033 · Maricopa CountyPhone(602) 323-3345
- Mountain Park Health Center6601 W Thomas Rd, Phoenix, AZ 85033 · Maricopa CountyPhone(602) 243-7277
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. James Michael Underwood is affiliated with 2 sites of care and 2 medical groups
Dr. Underwood's primary practice is Maryvale Clinic in Phoenix, Arizona. The medical group on file is Mountain Park Health Center. Dmand AI also links Dr. Underwood to 1 more group practice or clinic and 1 medical group, each named with a free account. Dr. Underwood's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Michael Underwood's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Underwood practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Maryvale Clinic | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Michael Underwood is one of 1,000 pediatricians in Arizona
Pediatrics is Dr. Underwood's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dmand AI has Dr. Underwood's licenses on file in 2 states: Arizona and Ohio.
Specialties and state licenses
- Pediatrics, ArizonaPrimary
- Ohio license
Pediatricians near Dr. Underwood
Counts of pediatricians 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. James Michael Underwood's patients have a median age of 8
Across all payers, Dmand AI patient panel data puts Dr. Underwood's median patient age at 8, with 40% women.
Dr. Underwood's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 8
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. James Michael Underwood received $643 in industry payments from 2016 to 2024
CMS Open Payments shows 38 general payments to Dr. Underwood from 17 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $125.
General payments to Dr. Underwood by program year, 2016 to 2024
Companies that paid Dr. Underwood the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Michael Underwood graduated from Ohio University, College of Osteopathic Medicine
Dr. Underwood graduated from Ohio University, College of Osteopathic Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Michael Underwood'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 Affiliation DataDmand AI Practice 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. James Michael Underwood
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. James Michael Underwood's NPI number?
Dr. James Michael Underwood's NPI number is 1558365957. It was assigned on June 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. James Michael Underwood?
Dr. James Michael Underwood is a pediatrician in Phoenix, Arizona. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. James Michael Underwood practice?
Dr. Underwood practices at 4616 North 51st Avenue, Suite 203, Phoenix, AZ 85033. Dr. Underwood also practices at 6601 W Thomas Rd, Phoenix, AZ 85033. Dr. Underwood's primary practice is Maryvale Clinic in Phoenix, Arizona. Dmand AI also links Dr. Underwood to 1 group practice or clinic and 1 medical group.
What is Dr. James Michael Underwood's office phone number?
The practice phone on file for Dr. Underwood is (602) 323-3345.
What is Dr. James Michael Underwood's medical license number?
Dr. Underwood holds Arizona license 007525, one of the licenses on file in 2 states.
Which states has Dr. James Michael Underwood been licensed in?
Dmand AI has state licenses on file for Dr. Underwood in Arizona and Ohio.
What medical group is Dr. James Michael Underwood part of?
Dr. Underwood is linked to Mountain Park Health Center. Dmand AI links Dr. Underwood to 1 more medical group.
Where did Dr. James Michael Underwood go to medical school?
Dr. Underwood graduated from Ohio University, College of Osteopathic Medicine in 1995.
Has Dr. James Michael Underwood received payments from drug or device companies?
CMS Open Payments shows $643 in general payments to Dr. Underwood from 17 companies from 2016 to 2024. The largest total came from Sanofi Pasteur Inc.
How long has Dr. James Michael Underwood been practicing?
Dr. Underwood graduated from medical school in 1995, 31 years ago.
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