DR. KATHRYN MAE STEPHENSON MD, MSC, MS, MA
NPI 1457855470
Student in an Organized Health Care Education/Training Program in Oakland, CA

Active since March 23, 2018PECOS Enrolled
275 W MACARTHUR BLVD, OAKLAND, CA 94611(603) 306-6944 Get Directions Write a Review

NPPES record last updated: August 15, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 15, 2024, Mar 23, 2018 (2 updates tracked since 2018).

About Dr. Kathryn Mae Stephenson Md, Msc, Ms, Ma NPPES

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

DR. KATHRYN MAE STEPHENSON MD, MSC, MS, MA (NPI 1457855470) is an individual student in an organized health care education/training program in Oakland, California and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457855470
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameDR. KATHRYN MAE STEPHENSONCredential: MD, MSC, MS, MA
Location Address275 W MACARTHUR BLVDOakland, CA 94611-5641
Mailing Address275 W Macarthur BlvdOakland, CA 94611-5641
Sole ProprietorNo
Enumeration DateMarch 23, 2018
Last NPPES UpdateAugust 15, 20242 updates tracked since enumeration
NPPES CertifiedAugust 15, 2024
✔ NPI 1457855470 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
275 W MACARTHUR BLVD, Oakland, CA 94611

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Kathryn Mae Stephenson Md, Msc, Ms, Ma 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 Kathryn Stephenson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 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.

Other Providers at the Same Location NPPES 20

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

Specialist
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Radiology (Radiation Oncology)
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Radiology (Diagnostic Radiology)
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Student in an Organized Health Care Education/Training Program
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Physical Therapist (Orthopedic)
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Student in an Organized Health Care Education/Training Program
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Obstetrics & Gynecology
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Hospitalist
275 W MACARTHUR BLVD
OAKLAND, CA 94611

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 Kathryn Stephenson's NPI number?

The NPI number for Kathryn Stephenson is 1457855470. It was assigned to this individual provider in the NPPES registry on March 23, 2018.

Where is Kathryn Stephenson located?

Kathryn Stephenson practices at 275 W Macarthur Blvd, Oakland, CA 94611. The listed phone number is (603) 306-6944.

What is Kathryn Stephenson's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Kathryn Stephenson enrolled in Medicare?

Yes. Kathryn Stephenson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kathryn Stephenson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Stephenson reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, 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 Kathryn Stephenson'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 Kathryn Stephenson was last updated on August 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.