Individual provider Active NPI

Kristen Marxen Matsik, MD

  • Obstetrics & Gynecology Physician
  • Palo Alto, CA
National Provider Identifier
1295807022
Registry record updated Nov 6, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
85200 Issued in SC
Practice address
195 Page Mill Rd Ste 103
Palo Alto, CA 94306-2073
Phone
(888) 731-8994
NPI assigned
Nov 15, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 6, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 85200 SC Primary

Addresses

Primary practice location

195 Page Mill Rd Ste 103
Palo Alto, CA 94306-2073

Mailing address

195 Page Mill Rd Ste 103
Palo Alto, CA 94306-2073
Phone (888) 731-8994

Other practice location 1

4000 Faber Place Dr Ste 300
Charleston, SC 29405-8587
Phone (888) 731-8994

Other names 1

  • Kristen Ann Marxen Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, SC2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20060504000914 CA Practitioner - Obstetrics/Gynecology 8921018912 Reassigns benefits to 1 organization
I20210924001191 SC Practitioner - Obstetrics/Gynecology 8921018912 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
84.73 of 100Reported as group
Quality
73.04
Promoting interoperability
99
Improvement activities
40
Cost
76.89

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
85200SCMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Medical Associates of the Medical University of South Carol CurrentSince Sep 9, 2021 Accepting new patients
Obhg South Carolina PC Obstetrics & Gynecology CurrentSince Apr 7, 2024 Accepting new patients
Uwh of the Carolinas, PLLC Obstetrics & Gynecology CurrentSince Sep 3, 2022 Accepting new patients
Prima Medical Foundation CurrentSince Oct 10, 2010 Accepting new patients
University Medical Associates of the Medical University of South Carol CurrentSince Sep 9, 2021 Accepting new patients

Locations

1260 S Eliseo Dr
Fl 2
Greenbrae, CA 94904
Phone (415) 464-1350

250 Bon Air Rd
Kentfield, CA 94904
Phone (415) 464-1350

9 Commercial Blvd
Ste 200
Novato, CA 94949
Phone (415) 680-5328

1027 Physicians Dr
Ste 110
Charleston, SC 29414
Phone (843) 740-6700

171 Ashley Ave
Charleston, SC 29425
Phone (843) 792-2123

809 82nd Pkwy
Myrtle Beach, SC 29572
Phone (843) 291-7182

9330 Medical Plaza Dr
North Charleston, SC 29406
Phone (843) 554-6366

295 Midland Pkwy
Summerville, SC 29485
Phone (843) 554-6366

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1163548800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762387200000",
    "number": "1295807022",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "195 PAGE MILL RD STE 103",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943062073",
            "telephone_number": "888-731-8994"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "195 PAGE MILL RD STE 103",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943062073",
            "telephone_number": "888-731-8994"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4000 Faber Place Dr Ste 300",
            "address_purpose": "LOCATION",
            "city": "Charleston",
            "state": "SC",
            "postal_code": "294058587",
            "country_code": "US",
            "telephone_number": "888-731-8994",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MATSIK",
        "first_name": "KRISTEN",
        "middle_name": "MARXEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-15",
        "last_updated": "2025-11-06",
        "certification_date": "2025-11-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "SC",
            "license": "85200",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KRISTEN",
            "last_name": "MARXEN",
            "middle_name": "ANN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.