KRISTINE SANTIANO MD
NPI 1255759130
Hospitalist in Walnut Creek, CA
About Kristine Santiano Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTINE SANTIANO MD (NPI 1255759130) is an individual hospitalist provider in Walnut Creek, California, licensed in California (A148227) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Kristine Santiano Md 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 Kristine Santiano reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 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 2
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 94598 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.
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.
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
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 Kristine Santiano's NPI number?
The NPI number for Kristine Santiano is 1255759130. It was assigned to this individual provider in the NPPES registry on March 28, 2014.
Where is Kristine Santiano located?
Kristine Santiano practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. The listed phone number is (925) 947-3312.
What is Kristine Santiano's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Kristine Santiano enrolled in Medicare?
Yes. Kristine Santiano 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 Kristine Santiano's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristine Santiano reassigns Medicare benefits to 2 organizations: John Muir Trauma Physicians Billing Service (Walnut Creek, CA) and John Muir Physician Network (Walnut Creek, 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 Kristine Santiano'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 Kristine Santiano was last updated on July 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.
# Kristine Santiano, MD · NPI 1255759130
Hospitalist physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since March 28, 2014.
## Identity
- **NPI:** 1255759130 (Entity type: Individual)
- **Enumerated:** March 28, 2014
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A148227 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1601 YGNACIO VALLEY RD, Walnut Creek, CA 94598-3122
- **Phone:** (925) 947-3312
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): John Muir Trauma Physicians Billing Service (NPI 1093864837, Walnut Creek, CA); John Muir Physician Network (NPI 1841407665, Walnut Creek, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** July 31, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1255759130) · Data from the CMS NPPES public registry.