1. Home
  2. Directory
  3. California
  4. San Jose
  5. Physician Assistant
  6. NPI Profile

KATHERINE ROSE MICHELFELDER PA
NPI 1669192290
Physician Assistant in San Jose, CA

Active since September 01, 2022PECOS Enrolled
1691 THE ALAMEDA, SAN JOSE, CA 95126(408) 287-7526 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 16, 2026, Jun 21, 2024, Sep 1, 2022 (3 updates tracked since 2022).

About Katherine Rose Michelfelder Pa NPPES

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

KATHERINE ROSE MICHELFELDER PA (NPI 1669192290) is an individual physician assistant in San Jose, California, licensed in California (PA63958) and active in the NPI registry since September 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669192290
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKATHERINE ROSE MICHELFELDERCredential: PA
Location Address1691 THE ALAMEDASan Jose, CA 95126-2203
Mailing Address1691 The AlamedaSan Jose, CA 95126-2203
Phone(408) 287-7526
Sole ProprietorNo
Enumeration DateSeptember 1, 2022
Last NPPES UpdateMarch 16, 20263 updates tracked since enumeration
NPPES CertifiedMarch 16, 2026
✔ NPI 1669192290 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA63958
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1691 THE ALAMEDA, San Jose, CA 95126
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Rose Michelfelder Pa 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95126 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
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.

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.

LOUISE MARY BRUCE FNP
Nurse Practitioner (Family)
1691 THE ALAMEDA
SAN JOSE, CA 95126
Santa Clara County (408) 287-7526
JASMIN KAY PAGDANGANAN DE GUZMAN
Registered Nurse
1691 THE ALAMEDA
SAN JOSE, CA 95126
Santa Clara County (408) 795-3600
PLANNED PARENTHOOD MAR MONTE, INC
Clinic/Center (Community Health)
1691 THE ALAMEDA
SAN JOSE, CA 95126
Santa Clara County (408) 795-3600
KATHERINE ELIZABETH SCHOTT CNM, RN
Advanced Practice Midwife
1691 THE ALAMEDA
SAN JOSE, CA 95126
Santa Clara County (408) 287-7526
MS. ALISON MAY DYER SIKOLA RN
Registered Nurse
1691 THE ALAMEDA
SAN JOSE, CA 95126
Santa Clara County (408) 795-3600
ELIZABETH MARGARET MATTEUCCI RN
Registered Nurse
1691 THE ALAMEDA
SAN JOSE, CA 95126
Santa Clara County (408) 287-7526
MAYRA PALMA
Counselor (Mental Health)
1691 THE ALAMEDA, # 201
SAN JOSE, CA 95126
Santa Clara County (408) 278-2564
STEPHANIE NGAN KIM CHAU FNP
Nurse Practitioner (Family)
1691 THE ALAMEDA
SAN JOSE, CA 95126
Santa Clara County (408) 287-7526

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 Katherine Michelfelder's NPI number?

The NPI number for Katherine Michelfelder is 1669192290. It was assigned to this individual provider in the NPPES registry on September 1, 2022.

Where is Katherine Michelfelder located?

Katherine Michelfelder practices at 1691 The Alameda, San Jose, CA 95126. The listed phone number is (408) 287-7526.

What is Katherine Michelfelder's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Katherine Michelfelder enrolled in Medicare?

Yes. Katherine Michelfelder is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Katherine Michelfelder was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.