CHRISTINA S SITENGA-KAKO M.D.
NPI 1114996097
Internal Medicine in Napa, CA
About Christina S Sitenga-kako M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINA S SITENGA-KAKO M.D. (NPI 1114996097) is an individual internal medicine provider in Napa, California, licensed in California (G69887) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (1989).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Christina S Sitenga-kako 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
3Medicare enrollment records show Christina Sitenga-kako reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Napa, CA 94558
- Reassigned Medicare billing, California enrollment
- 1,699 clinicians in this Medicare group
Napa, CA 94558
- Reassigned Medicare billing, California enrollment
- 116 clinicians in this Medicare group
Colton, CA 92324
- Reassigned Medicare billing, California enrollment
- 338 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 94558 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.
Reported Quality Measures
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.
NAPA, CA 94558
NAPA, CA 94558
NAPA, CA 94558
NAPA, CA 94558
NAPA, CA 94558
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 Christina Sitenga-kako's NPI number?
The NPI number for Christina Sitenga-kako is 1114996097. It was assigned to this individual provider in the NPPES registry on March 14, 2006.
Where is Christina Sitenga-kako located?
Christina Sitenga-kako practices at 1000 Trancas St, Napa, CA 94558. The listed phone number is (707) 252-4411.
What is Christina Sitenga-kako's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Christina Sitenga-kako enrolled in Medicare?
Yes. Christina Sitenga-kako 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 Christina Sitenga-kako's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christina Sitenga-kako reassigns Medicare benefits to 3 organizations: Providence Medical Foundation (Napa, CA), Ole Health (Napa, CA) and Quantum Healthcare Medical Associates Inc. (Colton, 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 Christina Sitenga-kako'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 Christina Sitenga-kako was last updated on September 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Christina S Sitenga-Kako, M.D. · NPI 1114996097
Internal Medicine physician in Napa, California. Individual provider, active in the CMS NPPES registry since March 14, 2006.
## Identity
- **NPI:** 1114996097 (Entity type: Individual)
- **Enumerated:** March 14, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** G69887 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1000 TRANCAS ST, Napa, CA 94558-2906
- **Phone:** (707) 252-4411 · **Fax:** (510) 525-8982
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Providence Medical Foundation (NPI 1205131950, Napa, CA); Ole Health (NPI 1700976503, Napa, CA); Quantum Healthcare Medical Associates Inc. (NPI 1568490597, Colton, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 1989
## Record status
- **NPPES last updated:** September 13, 2021
- **Other identifiers:** Medicaid 00G698870 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1114996097) · Data from the CMS NPPES public registry.