DR. TAMMY S HO M.D.
NPI 1003179128
Urology in Irvine, CA
About Dr. Tammy S Ho M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TAMMY S HO M.D. (NPI 1003179128) is an individual urology provider in Irvine, California, licensed in California (149421) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Saint Louis, and is a graduate of Duke University School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Tammy S Ho 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 Tammy Ho reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 17 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 85 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 14
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 92618 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 2
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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IRVINE, CA 92618
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 Tammy Ho's NPI number?
The NPI number for Tammy Ho is 1003179128. It was assigned to this individual provider in the NPPES registry on June 22, 2012.
Where is Tammy Ho located?
Tammy Ho practices at 16305 Sand Canyon Ave Ste 200, Irvine, CA 92618. The listed phone number is (949) 855-1101.
What is Tammy Ho's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Tammy Ho enrolled in Medicare?
Yes. Tammy Ho 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 Tammy Ho's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Ho reassigns Medicare benefits to 2 organizations: Orange County Urology Associates, Inc. A Medical Group (Laguna Hills, CA) and Uci Department Of Urology (Orange, CA). 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 Tammy Ho'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 Tammy Ho was last updated on February 4, 2019. 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.