MARIKO HOLLAND NURSE PRACTITIONER
NPI 1922468479
Nurse Practitioner - Pediatrics in San Rafael, CA

Active since February 26, 2016PECOS Enrolled
141 RAFAEL DR, SAN RAFAEL, CA 94901(510) 301-9396 Get Directions Write a Review

NPPES record last updated: February 26, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mariko Holland Nurse Practitioner NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIKO HOLLAND NURSE PRACTITIONER (NPI 1922468479) is an individual pediatrics provider in San Rafael, California, licensed in California (22133) and active in the NPI registry since February 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922468479
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMARIKO HOLLANDCredential: NURSE PRACTITIONER
Location Address141 RAFAEL DRSan Rafael, CA 94901-2271
Mailing Address141 Rafael DrSan Rafael, CA 94901-2271 · (510) 301-9396
Sole ProprietorNo
Enumeration DateFebruary 26, 2016
✔ NPI 1922468479 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in CA · 22133
141 RAFAEL DR, San Rafael, CA 94901

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mariko Holland Nurse Practitioner is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Mariko Holland reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Surgery
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 761 clinicians in this Medicare group
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 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 94901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.67 typical visit price
range $69.07 – $202.63
Typical copayment $26.16 (range $17.26 – $50.65)
Most-billed visit code 99203
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Mariko Holland's NPI number?

The NPI number for Mariko Holland is 1922468479. It was assigned to this individual provider in the NPPES registry on February 26, 2016.

Where is Mariko Holland located?

Mariko Holland practices at 141 Rafael Dr, San Rafael, CA 94901. The listed phone number is (510) 301-9396.

What is Mariko Holland's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Mariko Holland enrolled in Medicare?

Yes. Mariko Holland is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mariko Holland's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mariko Holland reassigns Medicare benefits to 4 organizations: Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Dept Of Surgery (San Francisco, CA) and Ucsf Pediatrics Associates (San Francisco, 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 Mariko Holland'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 Mariko Holland was last updated on February 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.