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DR. IVAN Y LEE M.D.
NPI 1366431348
Internal Medicine in Hayward, CA

Active since October 21, 2005PECOS Enrolled
27001 CALAROGA AVE, #5, HAYWARD, CA 94545(510) 783-6444(510) 783-6446 Get Directions Write a Review

NPPES record last updated: January 15, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ivan Y Lee M.d. NPPES

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

DR. IVAN Y LEE M.D. (NPI 1366431348) is an individual internal medicine provider in Hayward, California, licensed in California (G80771) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366431348
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. IVAN Y LEECredential: M.D.
Location Address27001 CALAROGA AVE, #5Hayward, CA 94545-4345
Mailing Address27001 Calaroga Ave, #5Hayward, CA 94545-4345 · (510) 783-6444 · Fax (510) 783-6446
Phone(510) 783-6444
Fax(510) 783-6446
Sole ProprietorNo
Enumeration DateOctober 21, 2005
Last NPPES UpdateJanuary 15, 2014
✔ NPI 1366431348 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 · G80771
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.
27001 CALAROGA AVE, Hayward, CA 94545
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Other Identifiers 3

Medicare ID-Type Unspecified00G807710CA
Medicare UPING47280CA
Medicare PIN00G807710CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ivan Y Lee 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 94545 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
10 suppliers25 claims67 services$4.57 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers18 claims27 services$0.93 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SAMMY T HUNG MD INC
Clinic/Center (Medical Specialty)
27001 CALAROGA AVE, STE 2
HAYWARD, CA 94545
Alameda County (510) 887-4033
EAST BAY SLEEP MEDICAL CENTER
Clinic/Center (Sleep Disorder Diagnostic)
27001 CALAROGA AVE, SUITE 1
HAYWARD, CA 94545
Alameda County (510) 670-0246
DR. QUEELAN RATNESAR M.D.
Internal Medicine
27001 CALAROGA AVE, SUITE 5
HAYWARD, CA 94545
Alameda County (510) 783-6444
DR. SAMMY T HUNG MD
Internal Medicine (Pulmonary Disease)
27001 CALAROGA AVE, STE 2
HAYWARD, CA 94545
Alameda County (510) 887-4033

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 Ivan Lee's NPI number?

The NPI number for Ivan Lee is 1366431348. It was assigned to this individual provider in the NPPES registry on October 21, 2005.

Where is Ivan Lee located?

Ivan Lee practices at 27001 Calaroga Ave #5, Hayward, CA 94545. The listed phone number is (510) 783-6444.

What is Ivan Lee's specialty?

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

Is Ivan Lee enrolled in Medicare?

Yes. Ivan Lee is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ivan Lee was last updated on January 15, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.