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RUTH FRIEDRICHSDORF M.D.
NPI 1447686985
Pediatrics in Mill Valley, CA

Active since September 16, 2013PECOS Enrolled
61 CAMINO ALTO STE 107, MILL VALLEY, CA 94941(415) 388-6303(415) 388-7136 Get Directions Write a Review

NPPES record last updated: August 17, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 17, 2020, Feb 13, 2016 (2 updates tracked since 2016).

About Ruth Friedrichsdorf M.d. NPPES

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

RUTH FRIEDRICHSDORF M.D. (NPI 1447686985) is an individual pediatrics provider in Mill Valley, California, licensed in California (A166767) and active in the NPI registry since September 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447686985
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameRUTH FRIEDRICHSDORFCredential: M.D.
Location Address61 CAMINO ALTO STE 107Mill Valley, CA 94941-2910
Mailing Address31 Sunrise AveMill Valley, CA 94941-3338 · (612) 666-2096
Phone(415) 388-6303
Fax(415) 388-7136
Sole ProprietorYes
Enumeration DateSeptember 16, 2013
Last NPPES UpdateAugust 17, 20202 updates tracked since enumeration
NPPES CertifiedAugust 17, 2020
✔ NPI 1447686985 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in CA · A166767✔ Licensed in MN · 60208
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
61 CAMINO ALTO STE 107, Mill Valley, CA 94941
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ruth Friedrichsdorf M.d. 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

2

Medicare enrollment records show Ruth Friedrichsdorf reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Fairview Clinics
1,575 mi
Primary Care
14040 NORTHDALE BLVD, STE 10
Rogers, MN 55374
  • Reassigned Medicare billing, Minnesota enrollment
  • 2,302 clinicians in this Medicare group
NPI 1124210760 (763) 488-4100
Fairview Health Services
1,577 mi
General Acute Care Hospital
911 NORTHLAND DR
Princeton, MN 55371
  • Reassigned Medicare billing, Minnesota enrollment
  • 4,038 clinicians in this Medicare group
NPI 1922085299 (763) 389-1313

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 94941 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 Ruth Friedrichsdorf's NPI number?

The NPI number for Ruth Friedrichsdorf is 1447686985. It was assigned to this individual provider in the NPPES registry on September 16, 2013.

Where is Ruth Friedrichsdorf located?

Ruth Friedrichsdorf practices at 61 Camino Alto Ste 107, Mill Valley, CA 94941. The listed phone number is (415) 388-6303.

What is Ruth Friedrichsdorf's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Ruth Friedrichsdorf enrolled in Medicare?

Yes. Ruth Friedrichsdorf is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ruth Friedrichsdorf's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Friedrichsdorf reassigns Medicare benefits to 2 organizations: Fairview Clinics (Rogers, MN) and Fairview Health Services (Princeton, MN). 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 Ruth Friedrichsdorf'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 Ruth Friedrichsdorf was last updated on August 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.