KATHERINE LET KIM LIM-YOUNG M.D.
NPI 1891873642
Internal Medicine in San Leandro, CA

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
2500 MERCED ST, SAN LEANDRO, CA 94577(510) 454-1000 Get Directions Write a Review

NPPES record last updated: December 22, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Katherine Let Kim Lim-young M.d. NPPES

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

KATHERINE LET KIM LIM-YOUNG M.D. (NPI 1891873642) is an individual internal medicine provider in San Leandro, California, licensed in California (A67824) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (1997).

NPPES Registry Identity

NPI1891873642
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameKATHERINE LET KIM LIM-YOUNGCredential: M.D.
Location Address2500 MERCED STSan Leandro, CA 94577-4201
Mailing Address2500 Merced StSan Leandro, CA 94577-4201 · (510) 454-1000
Sole ProprietorNo
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 1997
Enumeration DateNovember 1, 2006
Last NPPES UpdateDecember 22, 2021
NPI 1891873642 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 · A67824
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.

2500 MERCED ST, San Leandro, CA 94577

Other Identifiers 1

Medicaid00A678240CA

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 Let Kim Lim-young M.d. 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 ID9537344676
PECOS Enrollment IDI20110504000695
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 94577 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Emergency Medicine
2500 MERCED ST
SAN LEANDRO, CA 94577
Dietitian, Registered
2500 MERCED ST, B3-FOOD AND NUTRITION SERVICES
SAN LEANDRO, CA 94577
Pharmacist
2500 MERCED ST
SAN LEANDRO, CA 94577
Internal Medicine (Pulmonary Disease)
2500 MERCED ST
SAN LEANDRO, CA 94577
Obstetrics & Gynecology
2500 MERCED ST
SAN LEANDRO, CA 94577
Internal Medicine
2500 MERCED ST
SAN LEANDRO, CA 94577
Internal Medicine
2500 MERCED ST
SAN LEANDRO, CA 94577
Hospitalist
2500 MERCED ST
SAN LEANDRO, CA 94577

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 Lim-young's NPI number?

The NPI number for Katherine Lim-young is 1891873642. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Katherine Lim-young located?

Katherine Lim-young practices at 2500 Merced St, San Leandro, CA 94577. The listed phone number is (510) 454-1000.

What is Katherine Lim-young's specialty?

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

Is Katherine Lim-young enrolled in Medicare?

Yes. Katherine Lim-young 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 Lim-young was last updated on December 22, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.