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DR. I KAWEI DAY MD
NPI 1437219581
Internal Medicine - Pulmonary Disease in Montery Dark, CA

Active since December 11, 2006PECOS EnrolledAccepts Medicare Assignment
GARFIELD MEDICAL SQ SUITE 110 500 N GARFIELD AVE, MONTERY DARK, CA 91754(626) 307-3732 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. I Kawei Day Md NPPES

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

DR. I KAWEI DAY MD (NPI 1437219581) is an individual pulmonary disease provider in Montery Dark, California, licensed in California (A43558) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1971).

NPPES Registry Identity

NPI1437219581
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. I KAWEI DAYCredential: MD
Location AddressGARFIELD MEDICAL SQ SUITE 110 500 N GARFIELD AVEMontery Dark, CA 91754
Mailing AddressPo Box 651Alhambra, CA 91802 · (626) 307-3732
Phone(626) 307-3732
Sole ProprietorNo
Medical School CMSOtherGraduated 1971
Enumeration DateDecember 11, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1437219581 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in CA · A43558
Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

GARFIELD MEDICAL SQ SUITE 110 500 N GARFIELD AVE, Montery Dark, CA 91754
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Other Identifiers 3

Medicaid00A435580CA
Medicare ID-Type UnspecifiedA43558CA
Medicare UPINE90969

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

Dr. I Kawei Day 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 ID9032194238
PECOS Enrollment IDI20040622000701
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
2,018 services228 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
264 services221 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
176 services34 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
21 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91754 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.

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 I Kawei Day's NPI number?

The NPI number for I Kawei Day is 1437219581. It was assigned to this individual provider in the NPPES registry on December 11, 2006.

Where is I Kawei Day located?

I Kawei Day practices at Garfield Medical Sq Suite 110 500 N Garfield Ave, Montery Dark, CA 91754. The listed phone number is (626) 307-3732.

What is I Kawei Day's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is I Kawei Day enrolled in Medicare?

Yes. I Kawei Day 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 I Kawei Day was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.