KRISTEN MARXEN MATSIK MD
NPI 1295807022
Obstetrics & Gynecology in Palo Alto, CA
About Kristen Marxen Matsik Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTEN MARXEN MATSIK MD (NPI 1295807022) is an individual obstetrics & gynecology provider in Palo Alto, California, licensed in South Carolina (85200) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Charleston.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kristen Marxen Matsik Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Kristen Matsik reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Novato, CA 94949
- Reassigned Medicare billing, California enrollment
- 111 clinicians in this Medicare group
Greenville, SC 29607
- Reassigned Medicare billing, South Carolina enrollment
- 190 clinicians in this Medicare group
Charleston, SC 29414
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: University Medical Associates Of The Medical University Of South Carol
- 2,594 clinicians in this Medicare group
Morrisville, NC 27560
- Reassigned Medicare billing, South Carolina enrollment
- 105 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94306 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
PALO ALTO, CA 94306
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 Kristen Matsik's NPI number?
The NPI number for Kristen Matsik is 1295807022. It was assigned to this individual provider in the NPPES registry on November 15, 2006. The provider is also known as Kristen Ann Marxen.
Where is Kristen Matsik located?
Kristen Matsik practices at 195 Page Mill Rd Ste 103, Palo Alto, CA 94306. The listed phone number is (888) 731-8994.
What is Kristen Matsik's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Kristen Matsik enrolled in Medicare?
Yes. Kristen Matsik is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kristen Matsik's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Matsik reassigns Medicare benefits to 4 organizations: Prima Medical Foundation (Novato, CA), Obhg South Carolina PC (Greenville, SC), University Medical Associates (Charleston, SC) and Uwh Of The Carolinas, PLLC (Morrisville, NC). 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 Kristen Matsik's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kristen Matsik accept?
Health plans from First Choice Next list Kristen Matsik as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Kristen Matsik was last updated on November 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Kristen Marxen Matsik, MD · NPI 1295807022
Obstetrics & Gynecology physician in Palo Alto, California. Individual provider, active in the CMS NPPES registry since November 15, 2006.
## Identity
- **NPI:** 1295807022 (Entity type: Individual)
- **Enumerated:** November 15, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 85200 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 195 PAGE MILL RD STE 103, Palo Alto, CA 94306-2073
- **Phone:** (888) 731-8994
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Prima Medical Foundation (NPI 1811217946, Novato, CA); Obhg South Carolina PC (NPI 1538457361, Greenville, SC); University Medical Associates (NPI 1760413835, Charleston, SC); Uwh Of The Carolinas, PLLC (NPI 1639506470, Morrisville, NC) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1295807022) · Data from the CMS NPPES public registry.