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KATHERINE S. FASSIHI MD
NPI 1396893129
Internal Medicine in Los Angeles, CA

Active since January 08, 2007PECOS EnrolledAccepts Medicare Assignment
6041 CADILLAC AVE, LOS ANGELES, CA 90034(323) 857-2000 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Katherine S. Fassihi Md NPPES

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

KATHERINE S. FASSIHI MD (NPI 1396893129) is an individual internal medicine provider in Los Angeles, California, licensed in California (A68023) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (1997).

NPPES Registry Identity

NPI1396893129
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameKATHERINE S. FASSIHICredential: MD
Location Address6041 CADILLAC AVELos Angeles, CA 90034-1702
Mailing Address6041 Cadillac AveLos Angeles, CA 90034-1702 · (323) 857-2000
Phone(323) 857-2000
Sole ProprietorNo
Medical School CMSBaylor College Of MedicineGraduated 1997
Enumeration DateJanuary 8, 2007
Last NPPES UpdateNovember 29, 2021
✔ NPI 1396893129 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A68023
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
6041 CADILLAC AVE, Los Angeles, CA 90034
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Katherine S. Fassihi Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214081934
PECOS Enrollment IDI20090814000409
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 90034 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

BENJAMIN M KALKIN SP
Speech-Language Pathologist
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-2000
JACQUELINE A RICE CNM
Advanced Practice Midwife
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-2000
DR. LINDA FONG M.D.
Internal Medicine (Cardiovascular Disease)
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-3290
LINDA HAN PHARM.D.
Pharmacist
6041 CADILLAC AVE, KAISER WEST LOS ANGELES MEDICAL CENTER
LOS ANGELES, CA 90034
Los Angeles County (323) 857-3989
BRYAN HERNANDEZ MD
Internal Medicine
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (310) 666-6055
ALLAN CHEN MD
Internal Medicine
6041 CADILLAC AVE, INTERNAL MEDICINE MODULE 2D
LOS ANGELES, CA 90034
Los Angeles County (323) 857-3303
JOSEPHINE JUI-YU CHIU MD
Internal Medicine (Nephrology)
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-2000
LICERIO V. CASTRO JR. MD
Anesthesiology
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-2000

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 Fassihi's NPI number?

The NPI number for Katherine Fassihi is 1396893129. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Where is Katherine Fassihi located?

Katherine Fassihi practices at 6041 Cadillac Ave, Los Angeles, CA 90034. The listed phone number is (323) 857-2000.

What is Katherine Fassihi's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Katherine Fassihi enrolled in Medicare?

Yes. Katherine Fassihi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Katherine Fassihi was last updated on November 29, 2021. 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.