Doctor profile · Federal record

Dr. Kristine Santiano, MD

Hospitalist Physician (CMS: Hospitalist) · Walnut Creek, CA

  • NPI 1255759130
  • Accepts Medicare
  • MIPS 85.7 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1601 Ygnacio Valley RD
Walnut Creek, CA 945983122
(925) 947-3312
Additional location
1220 Rossmoor Pkwy
Walnut Creek, CA 945952501
(925) 947-3393
Additional location
2540 East St
Concord, CA 945201906
(925) 647-2609
Mailing address
1450 Treat Blvd # 300
Walnut Creek, CA 945972168

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
July 31, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A148227

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255759130. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
142
Distinct HCPCS
2
Medicare allowed
$22,156
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 105 104 $143
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 37 $193

In context: peer comparison

Among 20 peers in Walnut Creek Hospitalist Physician, average services per provider: 150. This provider delivers 0.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristine Santiano's medical specialty?
Dr. Kristine Santiano practices Hospitalist Physician in Walnut Creek, CA.
Where does Dr. Kristine Santiano practice?
Dr. Kristine Santiano practices at 1601 Ygnacio Valley RD, Walnut Creek, CA 945983122. Office phone: 9259473312.
What is Dr. Kristine Santiano's NPI?
Dr. Kristine Santiano's National Provider Identifier (NPI) is 1255759130, issued by NPPES.
Does Dr. Kristine Santiano accept Medicare assignment?
Yes. Dr. Kristine Santiano accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristine Santiano commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.