NPPES file of Aug 9, 2026

James Michael Underwood, D.O.

Pediatrics Physician · Maricopa, AZ

James Michael Underwood, D.O. is a pediatrics physician with a practice address in Maricopa, Arizona, and NPI 1558365957, issued on Jun 13, 2005. Check the license (Arizona 007525, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558365957
Name
James Michael Underwood
Credential
D.O.
Primary taxonomy
Pediatrics Physician 208000000X
License numbers
007525 AZ
OH34007098 OH
Self-reported in NPPES; status is on the state search
Practice location
44572 W Bowlin RD, Maricopa, AZ 85138
Phone
(520) 568-2316
Enumerated
Jun 13, 2005
Record last updated
May 30, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(520) 568-2316
Medicaid ID
2137860 OH
Medicare enrollment
Enrolled (PECOS I20260425000409); may accept Medicare assignment
Medical or professional school
Ohio University, College Of Osteopathic Medicine, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 44572 W Bowlin RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Swagata Chakraborty, PA-CFamily Medicine Physician1811247026
  2. Jacob Fisher, PA-CPhysician Assistant1346017324
  3. Rita Greene, FNP-CPrimary Care Nurse Practitioner1235517244
  4. Joanne Ho, PA-CMedical Physician Assistant1942759279
  5. Natalia Richmond, PA-CPhysician Assistant1518854363
  6. Melissa Ross, FNP-CFamily Nurse Practitioner1013773472

Verify James Michael Underwood in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 007525
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $32.77

1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Underwood$32.77
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

James Michael Underwood among 1,309 pediatrics physician records in Arizona

James Michael Underwood, D.O. is one of 1,309 pediatrics physician records with a practice address in Arizona. 41% 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, 86% newer
  • In a Medicare fileYes · 41% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated1995 · median 2013 among the 105 with a school on file
  • Record last updated2018 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 pediatrics physician records list a practice address in Maricopa

They are 8 of the 437 NPPES records with a practice address in Maricopa, and 1,309 pediatrics physician records in Arizona.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Nurul Hariadi, MDMaricopa, AZ 851381881875037
  2. David Lar, MDMaricopa, AZ 851381962636845
  3. Carrie Lipp, MDMaricopa, AZ 851381588777197
  4. Marie Christianne Ravi Chandar, MDMaricopa, AZ 851381386130060
  5. Rachel Singer, M.DMaricopa, AZ 851381417309360
  6. Dawn Sorenson, M.D., M.P.HMaricopa, AZ 851381821246091
  7. Elizabeth Allen, CPNP-PCMaricopa, AZ 851391336880756
  8. Oladiji Vaughan, MDSan Tan Valley, AZ 851401043498520

Common questions

What is James Michael Underwood, D.O.'s NPI number?

James Michael Underwood, D.O.'s National Provider Identifier (NPI) is 1558365957, issued on Jun 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is James Michael Underwood, D.O. located?

The NPPES record lists a practice address at 44572 W Bowlin RD, Maricopa, AZ, 85138. Phone: (520) 568-2316. Providers update this record themselves, so call before visiting.

How can I verify James Michael Underwood, D.O.'s license?

NPPES lists Arizona license number 007525, 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.

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.