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

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: August 16, 2026.

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

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.

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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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.

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.

DR. KEVIN THOMAS MARX PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1625 SCHRADER BLVD
LOS ANGELES, CA 90028
Los Angeles County (323) 993-7467
DEVIKA SHANKAR
Rehabilitation Practitioner
1625 SCHRADER BLVD
LOS ANGELES, CA 90028
Los Angeles County (323) 993-7504
AUDREY MACASIEB
Registered Nurse
1625 SCHRADER BLVD
LOS ANGELES, CA 90028
Los Angeles County (323) 993-8910
ANEDRA PRESSLEY RN
Registered Nurse
1625 SCHRADER BLVD
LOS ANGELES, CA 90028
Los Angeles County (323) 993-7434
ALAN GAONA
Rehabilitation Practitioner
1625 SCHRADER BLVD
LOS ANGELES, CA 90028
Los Angeles County (323) 993-8971
MR. RISHAD LAWYER LMFT
Marriage & Family Therapist
1625 SCHRADER BLVD
LOS ANGELES, CA 90028
Los Angeles County (323) 993-7500
ACE SEIDEL
Psychologist (Clinical)
1625 SCHRADER BLVD
LOS ANGELES, CA 90028
Los Angeles County (213) 466-5021
JULIE MOORE
Psychologist (Clinical)
1625 SCHRADER BLVD
LOS ANGELES, CA 90028
Los Angeles County (323) 860-5889

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 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.

Where is Katherine Duffy located?

Katherine Duffy practices at 1625 Schrader Blvd, Los Angeles, CA 90028. The listed phone number is (323) 993-7500.

What is Katherine Duffy's specialty?

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

Is Katherine Duffy enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Katherine Duffy was last updated on April 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.