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DR. SARAH J JANSSEN MD, PHD, MPH
NPI 1285714972
Preventive Medicine - Preventive Medicine/Occupational Environmental Medicine in San Francisco, CA

Active since October 17, 2006PECOS Enrolled
601 VAN NESS AVE STE 2008, KAISER PERMANENTE OCCUPATIONAL MEDICINE, SAN FRANCISCO, CA 94102(415) 833-2000 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Sarah J Janssen Md, Phd, Mph NPPES

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

DR. SARAH J JANSSEN MD, PHD, MPH (NPI 1285714972) is an individual preventive medicine/occupational environmental medicine provider in San Francisco, California, licensed in California (A84125) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285714972
Entity TypeIndividualFemale
Primary Taxonomy2083P0500X
Provider Legal NameDR. SARAH J JANSSENCredential: MD, PHD, MPH
Location Address601 VAN NESS AVE STE 2008, KAISER PERMANENTE OCCUPATIONAL MEDICINESan Francisco, CA 94102-6310
Mailing Address1916 Russell StBerkeley, CA 94703-2222
Phone(415) 833-2000
Sole ProprietorNo
Enumeration DateOctober 17, 2006
Last NPPES UpdateDecember 13, 2021
✔ NPI 1285714972 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreventive Medicine · Preventive Medicine/Occupational Environmental MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083P0500X
License✔ Licensed in CA · A84125
Definition
A preventive medicine physician who specializes in preventive medicine/occupational-environmental medicine, which is focused on protecting the population from occupational and environmental conditions.
601 VAN NESS AVE STE 2008, San Francisco, CA 94102
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sarah J Janssen Md, Phd, Mph 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 Sarah Janssen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
1.1 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 94102 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. EVANTHIS RAFTOPOULOS PT
Physical Therapist
601 VAN NESS AVE STE 2008
SAN FRANCISCO, CA 94102
San Francisco County (415) 685-6673
DR. ABENA AKUFO OPOKU MD
Preventive Medicine (Preventive Medicine/Occupational Environmental Medicine)
601 VAN NESS AVE STE 2008
SAN FRANCISCO, CA 94102
San Francisco County (415) 833-9600
DR. EFFIEM J ABBAH MD, MPH
Family Medicine
601 VAN NESS AVE STE 2008
SAN FRANCISCO, CA 94102
San Francisco County (415) 674-7000

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 Sarah Janssen's NPI number?

The NPI number for Sarah Janssen is 1285714972. It was assigned to this individual provider in the NPPES registry on October 17, 2006.

Where is Sarah Janssen located?

Sarah Janssen practices at 601 Van Ness Ave Ste 2008 Kaiser Permanente Occupational Medicine, San Francisco, CA 94102. The listed phone number is (415) 833-2000.

What is Sarah Janssen's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Preventive Medicine/Occupational Environmental Medicine, with taxonomy code 2083P0500X.

Is Sarah Janssen enrolled in Medicare?

Yes. Sarah Janssen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sarah Janssen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Janssen 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 Sarah Janssen'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 Sarah Janssen was last updated on December 13, 2021. 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.