Christina S. Sitenga-Kako, M.D.
Internal Medicine Physician · Napa, CA
Christina S. Sitenga-Kako, M.D. is an internal medicine physician with a practice address in Napa, California, and NPI 1114996097, issued on Mar 14, 2006. Check the license (California G69887, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christina S. Sitenga-Kako
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G69887 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Trancas St, Napa, CA 94558
- Phone
- (707) 252-4411
- Enumerated
- Mar 14, 2006
- Record last updated
- Sep 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (510) 525-8982
- Medicaid ID
- 00G698870 CA
- Medicare enrollment
- Enrolled (PECOS I20040929001156); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1989
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1000 Trancas St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christina S. Sitenga-Kako in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G69887Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
193 Medicare Part D claims for 49 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate14 claims
- Furosemide12 claims
- Omeprazole11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Providence Medical FoundationNapa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina S. Sitenga-Kako among 17,696 internal medicine physician records in California
Christina S. Sitenga-Kako, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1989 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
61 internal medicine physician records list a practice address in Napa
They are 61 of the 3,583 NPPES records with a practice address in Napa, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Napa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Abhijit Adhye, M.D.Napa, CA 945581992763205
- Scott Anderson, MDNapa, CA 945581619929494
- Patricia Dizmang, M.D.Napa, CA 945581194790261
- Beth Hartung, M.D.Napa, CA 945581275501488
- Ronald Julis, M.D.Napa, CA 945581053311167
- Paul Laband, MDNapa, CA 945581427029040
- Monica McKeever, MDNapa, CA 945581538135298
- Lane Melgarejo, MDNapa, CA 945581588657308
Common questions
What is Christina S. Sitenga-Kako, M.D.'s NPI number?
Christina S. Sitenga-Kako, M.D.'s National Provider Identifier (NPI) is 1114996097, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christina S. Sitenga-Kako, M.D. located?
The NPPES record lists a practice address at 1000 Trancas St, Napa, CA, 94558. Phone: (707) 252-4411. Providers update this record themselves, so call before visiting.
How can I verify Christina S. Sitenga-Kako, M.D.'s license?
NPPES lists California license number G69887, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christina S. Sitenga-Kako, M.D. prescribe under Medicare Part D?
In 2024, Christina S. Sitenga-Kako, M.D. had 193 Medicare Part D claims for 49 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.