MS. KATHARINE DELANO ALDRICH CNM
NPI 1790806388
Advanced Practice Midwife in San Jose, CA

Q: What is Katharine Aldrich's NPI number?

The NPI number for Katharine Aldrich is 1790806388. It was assigned to this individual provider in the NPPES registry on April 2, 2007.

Q: What is Katharine Aldrich's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Katharine Aldrich was last updated on January 3, 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.

Active since April 02, 2007PECOS Enrolled

455 OCONNOR DR, SUITE 300, SAN JOSE, CA 95128(408) 287-4441(408) 287-4442 Get Directions Write a Review

NPPES record last updated: January 3, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Ms. Katharine Delano Aldrich Cnm NPPES

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

MS. KATHARINE DELANO ALDRICH CNM (NPI 1790806388) is an individual advanced practice midwife in San Jose, California, licensed in California (1737) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790806388

Entity TypeIndividualFemale

Primary Taxonomy367A00000X

Provider Legal NameMS. KATHARINE DELANO ALDRICHCredential: CNM

Location Address455 OCONNOR DR, SUITE 300San Jose, CA 95128-1633

Mailing Address885 S Winchester Blvd, Apt. 243San Jose, CA 95128-2947 · (646) 685-7413 · Fax (408) 287-4441

Phone(408) 287-4441

Fax(408) 287-4442

Sole ProprietorNo

Enumeration DateApril 2, 2007

Last NPPES UpdateJanuary 3, 2022

NPPES CertifiedJanuary 3, 2022

✔ NPI 1790806388 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 · 1737

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.

455 OCONNOR DR, San Jose, CA 95128

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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)

Ms. Katharine Delano Aldrich Cnm 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 Katharine Aldrich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc

3.2 mi

Internal Medicine

710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1073606299 (408) 851-1000

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 95128 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.

CHRIS CHUNG, MD, INC.

Family Medicine (Sports Medicine)

455 OCONNOR DR, #150
SAN JOSE, CA 95128

Santa Clara County (408) 293-7767

DR. AMY G WATSON MD

Family Medicine

455 OCONNOR DR, SUITE 200
SAN JOSE, CA 95128

Santa Clara County (408) 283-7676

MICHAEL JAMES HENEHAN DO

Family Medicine

455 OCONNOR DR, STE 210
SAN JOSE, CA 95128

Santa Clara County (408) 995-5453

ANNIE BERTHA-CHAO CHERN M.D.

Family Medicine

455 OCONNOR DR, SUITE 210
SAN JOSE, CA 95128

Santa Clara County (408) 995-5453

AESTHETIC AND REFRACTIVE SURGERY MEDICAL CENTER, INC.

Specialist

455 OCONNOR DR, SUITE 180B
SAN JOSE, CA 95128

Santa Clara County (408) 998-8109

DR. DALJEET RAI M.D.

Family Medicine

455 OCONNOR DR, STE 210
SAN JOSE, CA 95128

Santa Clara County (408) 995-5453

RICHARD IAN ROSS

Emergency Medicine

455 OCONNOR DR, SUITE 250
SAN JOSE, CA 95128

Santa Clara County (408) 283-7767

ROBERT MICHAEL NORMAN M.D.

Family Medicine

455 OCONNOR DR, STE210
SAN JOSE, CA 95128

Santa Clara County (408) 995-5453

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 Katharine Aldrich's NPI number?

The NPI number for Katharine Aldrich is 1790806388. It was assigned to this individual provider in the NPPES registry on April 2, 2007.

Where is Katharine Aldrich located?

Katharine Aldrich practices at 455 Oconnor Dr Suite 300, San Jose, CA 95128. The listed phone number is (408) 287-4441.

What is Katharine Aldrich's specialty?

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

Is Katharine Aldrich enrolled in Medicare?

Yes. Katharine Aldrich is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katharine Aldrich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katharine Aldrich reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, 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 Katharine Aldrich'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 Katharine Aldrich was last updated on January 3, 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.