MARIO EDUARDO CASTELLANOS
NPI 1902009251
Obstetrics & Gynecology - Gynecology in Phoenix, AZ
About Mario Eduardo Castellanos NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIO EDUARDO CASTELLANOS (NPI 1902009251) is an individual gynecology provider in Phoenix, Arizona, licensed in Arizona (42762) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mario Eduardo Castellanos is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mario Castellanos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Phoenix, AZ 85008
- Reassigned Medicare billing, Arizona enrollment
- 1,490 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85013 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHOENIX, AZ 85013
PHOENIX, AZ 85013
PHOENIX, AZ 85013
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 Mario Castellanos's NPI number?
The NPI number for Mario Castellanos is 1902009251. It was assigned to this individual provider in the NPPES registry on June 6, 2007.
Where is Mario Castellanos located?
Mario Castellanos practices at 500 W Thomas Rd Suite 680, Phoenix, AZ 85013. The listed phone number is (602) 406-6017.
What is Mario Castellanos's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.
Is Mario Castellanos enrolled in Medicare?
Yes. Mario Castellanos is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mario Castellanos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mario Castellanos reassigns Medicare benefits to District Medical Group, Inc (Phoenix, AZ). The 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 Mario Castellanos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mario Castellanos was last updated on June 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Mario Eduardo Castellanos · NPI 1902009251
Gynecology physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since June 6, 2007.
## Identity
- **NPI:** 1902009251 (Entity type: Individual)
- **Enumerated:** June 6, 2007
- **Primary specialty:** Obstetrics & Gynecology - Gynecology · taxonomy 207VG0400X
- **State license:** 42762 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 500 W THOMAS RD, SUITE 680, Phoenix, AZ 85013-4224
- **Phone:** (602) 406-6017
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** District Medical Group, Inc (NPI 1700119815, Phoenix, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 11, 2012
- **Other identifiers:** Other BP1-0026446; Medicaid 588582 (AZ); Medicare PIN Z142993 (AZ)
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Source: [NPI Profile](https://npiprofile.com/npi/1902009251) · Data from the CMS NPPES public registry.