KATHERINE DUFFY M.D.
NPI 1881012433
Family Medicine in Los Angeles, CA

Q: What is Katherine Duffy's NPI number?

The NPI number for Katherine Duffy is 1881012433. It was assigned to this individual provider in the NPPES registry on April 1, 2014.

Q: What is Katherine Duffy's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Katherine Duffy was last updated on April 7, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 01, 2014PECOS Enrolled

1625 SCHRADER BLVD, LOS ANGELES, CA 90028(323) 993-7500(323) 308-4456 Get Directions Write a Review

NPPES record last updated: April 7, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Apr 7, 2025, Jan 27, 2020 (2 updates tracked since 2020).

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About Katherine Duffy M.d. NPPES

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

KATHERINE DUFFY M.D. (NPI 1881012433) is an individual family medicine provider in Los Angeles, California, licensed in California (A166886) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1881012433

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameKATHERINE DUFFYCredential: M.D.

Location Address1625 SCHRADER BLVDLos Angeles, CA 90028-6213

Mailing Address1713 Hill DrLos Angeles, CA 90041-1320 · (646) 258-8789

Phone(323) 993-7500

Fax(323) 308-4456

Sole ProprietorNo

Enumeration DateApril 1, 2014

Last NPPES UpdateApril 7, 20252 updates tracked since enumeration

NPPES CertifiedApril 7, 2025

✔ NPI 1881012433 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A166886

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

1625 SCHRADER BLVD, Los Angeles, CA 90028

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Secondary Practice Location 1

Location 1240 E. Huron Street, McGaw Pavillion, Suite 1-200Chicago, IL 60611 · Phone (312) 503-7975

Other Identifiers 1

OtherA166886CA · California Medical License

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 Duffy M.d. 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 90028 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.