1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Advanced Practice Midwife
  6. NPI Profile

MARA FOX CNM, RN
NPI 1659779312
Advanced Practice Midwife in San Francisco, CA

Active since December 12, 2014PECOS Enrolled
119 DOWNEY ST, SAN FRANCISCO, CA 94117(202) 557-9800 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mara Fox Cnm, Rn NPPES

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

MARA FOX CNM, RN (NPI 1659779312) is an individual advanced practice midwife in San Francisco, California, licensed in California (235714) and active in the NPI registry since December 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659779312
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameMARA FOXCredential: CNM, RN
Location Address119 DOWNEY STSan Francisco, CA 94117-4419
Mailing Address119 Downey StSan Francisco, CA 94117-4419
Phone(202) 557-9800
Sole ProprietorYes
Enumeration DateDecember 12, 2014
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1659779312 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License✔ Licensed in CA · 235714
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
119 DOWNEY ST, San Francisco, CA 94117
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mara Fox Cnm, Rn 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 Reassignment

Medicare enrollment records show Mara Fox reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
1.2 mi
Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1841373800 (415) 833-2200

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 94117 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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 Mara Fox's NPI number?

The NPI number for Mara Fox is 1659779312. It was assigned to this individual provider in the NPPES registry on December 12, 2014.

Where is Mara Fox located?

Mara Fox practices at 119 Downey St, San Francisco, CA 94117. The listed phone number is (202) 557-9800.

What is Mara Fox's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Mara Fox enrolled in Medicare?

Yes. Mara Fox is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mara Fox's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mara Fox reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, CA). The 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 Mara Fox'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 Mara Fox was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.