ULYSSES PAZ MONTERO M.D.
NPI 1891082962
Hospitalist in Casa Grande, AZ
About Ulysses Paz Montero M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ULYSSES PAZ MONTERO M.D. (NPI 1891082962) is an individual hospitalist provider in Casa Grande, Arizona, licensed in Arizona (48962) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ulysses Paz Montero M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Ulysses Montero reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Tan Valley, AZ 85140
- Reassigned Medicare billing, Arizona enrollment
- 1,081 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 470 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 5
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 85122 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CASA GRANDE, AZ 85122
CASA GRANDE, AZ 85122
CASA GRANDE, AZ 85122
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 Ulysses Montero's NPI number?
The NPI number for Ulysses Montero is 1891082962. It was assigned to this individual provider in the NPPES registry on July 8, 2011.
Where is Ulysses Montero located?
Ulysses Montero practices at 1800 E. Florence Blvd. Attn: Hospitalist Team, Casa Grande, AZ 85122. The listed phone number is (480) 543-2034.
What is Ulysses Montero's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Ulysses Montero enrolled in Medicare?
Yes. Ulysses Montero is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ulysses Montero's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ulysses Montero reassigns Medicare benefits to 2 organizations: Banner Hospital Based Physicians Arizona LLC (San Tan Valley, AZ) and Banner Cancer Center Specialists LLC (Phoenix, AZ). 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 Ulysses Montero's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ulysses Montero accept?
Health plans from Blue Cross Blue Shield of Arizona and UnitedHealthcare list Ulysses Montero 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 Ulysses Montero was last updated on December 28, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.