Doctor profile · Federal record

Dr. Christina Sitenga-Kako, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Napa, CA

  • NPI 1114996097
  • Accepts Medicare
  • 37 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Trancas St
Napa, CA 945582906
(707) 252-4411
fax (510) 525-8982
Mailing address
Po Box 9216
Vallejo, CA 945919216

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
September 13, 2021
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G69887
Medicaid
CA #00G698870

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114996097. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
418
Distinct HCPCS
3
Medicare allowed
$62,054
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 294 281 $138
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 108 104 $185
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 16 16 $88

In context: peer comparison

Among 10 peers in Napa Internal Medicine Physician, average services per provider: 94. This provider delivers 4.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
39
Patients
0
Total drug cost
$653
Drug Type Claims Patients Total cost
Omeprazole Generic 15 0 $279
Atorvastatin Calcium Generic 12 0 $216
Lisinopril Generic 12 0 $159

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christina Sitenga-Kako's medical specialty?
Dr. Christina Sitenga-Kako practices Internal Medicine Physician in Napa, CA.
Where does Dr. Christina Sitenga-Kako practice?
Dr. Christina Sitenga-Kako practices at 1000 Trancas St, Napa, CA 945582906. Office phone: 7072524411.
What is Dr. Christina Sitenga-Kako's NPI?
Dr. Christina Sitenga-Kako's National Provider Identifier (NPI) is 1114996097, issued by NPPES.
Does Dr. Christina Sitenga-Kako accept Medicare assignment?
Yes. Dr. Christina Sitenga-Kako accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christina Sitenga-Kako 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); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.