JOSHUA A MILLSTEIN D.O.
NPI 1376749721
Internal Medicine in Phoenix, AZ
About Joshua A Millstein D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSHUA A MILLSTEIN D.O. (NPI 1376749721) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (4601) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Joshua A Millstein D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Joshua Millstein reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85015
- Reassigned Medicare billing, Arizona enrollment
- Medicare enrollment name: Honorhealth Medical Group, LLC
- 502 clinicians in this Medicare group
Phoenix, AZ 85013
- Reassigned Medicare billing, Arizona enrollment
- 773 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 282 clinicians in this Medicare group
Phoenix, AZ 85014
- Reassigned Medicare billing, Arizona enrollment
- 134 clinicians in this Medicare group
Phoenix, AZ 85034
- Reassigned Medicare billing, Arizona enrollment
- 43 clinicians in this Medicare group
Glendale, AZ 85306
- Reassigned Medicare billing, Arizona enrollment
- 251 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Joshua Millstein's NPI number?
The NPI number for Joshua Millstein is 1376749721. It was assigned to this individual provider in the NPPES registry on June 22, 2007.
Where is Joshua Millstein located?
Joshua Millstein practices at 1940 W Indian School Rd Ste 1, Phoenix, AZ 85015. The listed phone number is (602) 782-1880.
What is Joshua Millstein's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Joshua Millstein enrolled in Medicare?
Yes. Joshua Millstein is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Joshua Millstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Millstein reassigns Medicare benefits to 6 organizations: John C. Lincoln, LLC (Phoenix, AZ), Sjhmc Physician Services (Phoenix, AZ), Denova Collaborative Health, LLC (Phoenix, AZ), Honorhealth Urgent Care, LLC (Phoenix, AZ), American Current Care Of Arizona PA (Phoenix, AZ) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joshua Millstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joshua Millstein accept?
Health plans from Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc., Oscar Health, Oscar Health Insurance and Oscar Health Maintenance Organization of Florida and 4 other insurers list Joshua Millstein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Joshua Millstein was last updated on September 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.