NPPES file of Aug 9, 2026

Maxwell Group in Sun City, AZ

This organization bills under NPI 1912188384, an organization record issued on Nov 14, 2007 with the primary taxonomy Internal Medicine Physician. Each clinician who works there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1912188384
Legal name
Maxwell Group
Entity
Type 2 · organization
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
14678 N DEL WEBB BLVD, Sun City, AZ 85351
Phone
623-933-8289
Enumerated
Nov 14, 2007
Record updated
Jun 16, 2018
Authorized official
Managing Partner (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

10 clinicians CMS lists with Maxwell Group in Sun City

  1. Michael Johnson, MDInternal Medicine Physician1609869643
  2. Ron Loomis, APRN FNP-BCFamily Nurse Practitioner1740054469
  3. Cynthia Medina, DOFamily Medicine Physician1710064183
  4. David Nagata, MDInternal Medicine Physician1750371324
  5. Umesh Narayanan, MDFamily Medicine Physician1407239601
  6. Srinivasa Palnati, MDInternal Medicine Physician1881688992
  7. Monique Phan, PAPhysician Assistant1144005166
  8. Randall Piette, MDInternal Medicine Physician1154314243
  9. Yujie Shui, DOFamily Medicine Physician1891352647
  10. Seokhan Song, DO, MSFamily Medicine Physician1194163170

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

Checking an organization

  1. Confirm the business with the Arizona secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.