TIVA HANJAN M.D.
NPI 1689729253
Physical Medicine & Rehabilitation in Mission Viejo, CA
About Tiva Hanjan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIVA HANJAN M.D. (NPI 1689729253) is an individual physical medicine & rehabilitation provider in Mission Viejo, California, licensed in California (A81862) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Tiva Hanjan 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 Reassignment
Medicare enrollment records show Tiva Hanjan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mission Viejo, CA 92691
- Reassigned Medicare billing, California enrollment
- 10 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 37
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.
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.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MISSION VIEJO, CA 92691
MISSION VIEJO, CA 92691
MISSION VIEJO, CA 92691
MISSION VIEJO, CA 92691
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 Tiva Hanjan's NPI number?
The NPI number for Tiva Hanjan is 1689729253. It was assigned to this individual provider in the NPPES registry on January 24, 2007.
Where is Tiva Hanjan located?
Tiva Hanjan practices at 26401 Crown Valley Pkwy Ste 101, Mission Viejo, CA 92691. The listed phone number is (949) 348-4000.
What is Tiva Hanjan's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Tiva Hanjan enrolled in Medicare?
Yes. Tiva Hanjan 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 organization bills Medicare for Tiva Hanjan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tiva Hanjan reassigns Medicare benefits to Community Orthopedic Medical Group (Mission Viejo, CA). 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 Tiva Hanjan'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 Tiva Hanjan was last updated on November 15, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.